Optisonic 7300 руководство по эксплуатации

All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without the prior written authorisation of KROHNE Messtechnik GmbH.

Subject to change without notice.

Copyright 2012 by

KROHNE Messtechnik GmbH — Ludwig-Krohne-Str. 5 — 47058 Duisburg (Germany)

1.1 Intended use

CAUTION!

Responsibility for the use of the measuring devices with regard to suitability, intended use and corrosion resistance of the used materials against the measured fluid lies solely with the operator.

INFORMATION!

The manufacturer is not liable for any damage resulting from improper use or use for other than the intended purpose.

The overall functionality of the OPTISONIC 7300 gas flowmeter is the continuous measurement of actual volume flow, mass flow, molar mass, flow speed, velocity of sound, gain, SNR and diagnosis value.

1.2 Certification

CE marking

The device fulfils the statutory requirements of the following EC directives:

•EMC Directive 2004/108/EC in conjunction with EN 61326-1: 2006

•Low Voltage Directive 2006/95/EC in conjunction with EN 61010-1: 2001

•NAMUR NE 21/04

The manufacturer certifies successful testing of the product by applying the CE marking.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

1.3 Safety instructions from the manufacturer

1.3.1 Copyright and data protection

The contents of this document have been created with great care. Nevertheless, we provide no guarantee that the contents are correct, complete or up-to-date.

The contents and works in this document are subject to copyright. Contributions from third parties are identified as such. Reproduction, processing, dissemination and any type of use beyond what is permitted under copyright requires written authorisation from the respective author and/or the manufacturer.

The manufacturer tries always to observe the copyrights of others, and to draw on works created in-house or works in the public domain.

The collection of personal data (such as names, street addresses or e-mail addresses) in the manufacturer’s documents is always on a voluntary basis whenever possible. Whenever feasible, it is always possible to make use of the offerings and services without providing any personal data.

We draw your attention to the fact that data transmission over the Internet (e.g. when communicating by e-mail) may involve gaps in security. It is not possible to protect such data completely against access by third parties.

We hereby expressly prohibit the use of the contact data published as part of our duty to publish an imprint for the purpose of sending us any advertising or informational materials that we have not expressly requested.

1.3.2 Disclaimer

The manufacturer will not be liable for any damage of any kind by using its product, including, but not limited to direct, indirect or incidental and consequential damages.

This disclaimer does not apply in case the manufacturer has acted on purpose or with gross negligence. In the event any applicable law does not allow such limitations on implied warranties or the exclusion of limitation of certain damages, you may, if such law applies to you, not be subject to some or all of the above disclaimer, exclusions or limitations.

Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale.

The manufacturer reserves the right to alter the content of its documents, including this disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable in any way for possible consequences of such changes.

1.3.3 Product liability and warranty

The operator shall bear responsibility for the suitability of the device for the specific purpose. The manufacturer accepts no liability for the consequences of misuse by the operator. Improper installation and operation of the devices (systems) will cause the warranty to be void. The respective «Standard Terms and Conditions» which form the basis for the sales contract shall also apply.

1.3.4 Information concerning the documentation

To prevent any injury to the user or damage to the device it is essential that you read the information in this document and observe applicable national standards, safety requirements and accident prevention regulations.

If this document is not in your native language and if you have any problems understanding the text, we advise you to contact your local office for assistance. The manufacturer can not accept responsibility for any damage or injury caused by misunderstanding of the information in this document.

This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. Special considerations and precautions are also described in the document, which appear in the form of underneath icons.

1.3.5 Warnings and symbols used

Safety warnings are indicated by the following symbols.

DANGER!

This information refers to the immediate danger when working with electricity.

DANGER!

This warning refers to the immediate danger of burns caused by heat or hot surfaces.

DANGER!

This warning refers to the immediate danger when using this device in a hazardous atmosphere.

DANGER!

These warnings must be observed without fail. Even partial disregard of this warning can lead to serious health problems and even death. There is also the risk of seriously damaging the device or parts of the operator’s plant.

WARNING!

Disregarding this safety warning, even if only in part, poses the risk of serious health problems. There is also the risk of damaging the device or parts of the operator’s plant.

CAUTION!

Disregarding these instructions can result in damage to the device or to parts of the operator’s plant.

INFORMATION!

These instructions contain important information for the handling of the device.

LEGAL NOTICE!

This note contains information on statutory directives and standards.

• HANDLING

This symbol designates all instructions for actions to be carried out by the operator in the specified sequence.

iRESULT

This symbol refers to all important consequences of the previous actions.

1.4Safety instructions for the operator

WARNING!

In general, devices from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel.

This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device.

2.1 Scope of delivery

INFORMATION!

Do a check of the packing list to make sure that you have all the elements given in the order.

INFORMATION!

Inspect the cartons carefully for damages or signs of rough handling. Report damage to the carrier and to the local office of the manufacturer.

INFORMATION!

The device will arrive in two cartons. One carton contains the converter and one carton contains the sensor.

Figure 2-1: Scope of delivery

1Ordered flowmeter

2Product documentation

3Factory calibration report

4CD-ROM with product documentation in available languages

5Signal cable (remote versions only)

INFORMATION!

Assembly materials and tools are not part of the delivery. Use the assembly materials and tools in compliance with the applicable occupational health and safety directives.

2.2 Device description

The ultrasonic flowmeters are designed exclusively for the continuous measurement of actual volume flow, mass flow, molar mass, flow speed, velocity of sound, gain, SNR and diagnosis value.

Your measuring device is supplied ready for operation. The factory settings for the operating data have been made in accordance with your order specifications.

The following versions are available:

•Compact version (the signal converter is mounted directly on the measuring sensor)

•Remote version (electrical connection to the measuring sensor via signal cable)

1Compact version

2Remote version

Figure 2-2: Construction of the field housing

1Cover for electronics and display

2Cover for power supply and inputs/outputs terminal compartment

3Cover for for measuring sensor terminal compartment with locking screw

4Cable entry for measuring sensor signal cable

5Cable entry for measuring sensor signal cable

6Cable entry for power supply

7Cable entry for inputs and outputs

8Mounting plate for pipe and wall mounting

INFORMATION!

Each time a housing cover is opened, the thread should be cleaned and greased.

Use only resin-free and acid-free grease.

Ensure that the housing gasket is properly fitted, clean and undamaged.

2.3 Nameplates

INFORMATION!

Look at the device nameplate to ensure that the device is delivered according to your order. Check for the correct supply voltage printed on the nameplate.

2.3.1 Example of nameplate for the compact version

1Name and address of the manufacturer

2Ambient temperature

3Protection class

4Tag no.

5Main supply data

6Electronics revision number

7Calibration data

8Type designation of the flowmeter and CE sign with number(s) of notified body / bodies

2.3.2 Example of nameplate for the measuring sensor (field version)

1Name and address of the manufacturer

2Ambient temperature

3Protection class

4Tag no.

5PED data

6Calibration data

7Type designation of the flowmeter and CE sign with number(s) of notified body / bodies

2.3.3Examples of nameplates on the signal converter (field version)

1Name and address of the manufacturer

2Ambient temperature

3Protection class

4Tag no.

5Main supply data

6Electronics revision number

7Calibration data

8Type designation of the flowmeter and CE sign with number(s) of notified body / bodies

Electrical connection data of inputs/outputs (example of basic version)

Figure 2-3: Example of a nameplate for electrical connection data of inputs and outputs

1Power supply (AC: L and N; DC: L+ and L-; PE for ≥ 24 VAC; FE for ≤ 24 VAC and DC)

2Connection data of connection terminal D/D-

3Connection data of connection terminal C/C-

4Connection data of connection terminal B/B-

5Connection data of connection terminal A/A-; A+ only operable in the basic version

•A = active mode; the signal converter supplies the power for connection of the subsequent devices

•P = passive mode; external power supply required for operation of the subsequent devices

•N/C = connection terminals not connected

3.1 Notes on installation

INFORMATION!

Inspect the cartons carefully for damages or signs of rough handling. Report damage to the carrier and to the local office of the manufacturer.

INFORMATION!

Do a check of the packing list to make sure that you have all the elements given in the order.

INFORMATION!

Look at the device nameplate to ensure that the device is delivered according to your order. Check for the correct supply voltage printed on the nameplate.

3.2Storage

•Store the device in a dry, dust-free location.

•Avoid continuous direct sunlight.

•Store the device in its original packaging.

•Storage temperature: -50…+70°C / -58…+158°F

3.3 Transport

Signal converter

• Do not lift the signal converter by the cable glands.

Measuring sensor

•Do not lift the measuring sensor by the connection box.

•Use hoisting belts only.

•To transport flange devices, use lifting straps. Wrap these around both process connections.

Figure 3-1: Transport

3.4Installation requirements signal converter

•Allow 10…20 cm / 3.9…7.9″ of space at the sides and rear of the signal converter to permit free air circulation.

•Protect signal converter against direct solar radiation, install a sunshield if necessary.

•Signal converters installed in switchgear cabinets require adequate cooling, e.g. by fan or heat exchanger.

•Do not expose the signal converter to intense vibration.

3.5Installation requirements sensor

To secure the optimum functioning of the flowmeter, please note the following observations.

The OPTISONIC 7300 is designed for the measurement dry gasflow. Excess of liquids may disturb the acoustic signals and should thus be avoided.

The following guidelines should be observed in case occasional small amounts of liquids are to be expected:

•Install the flow sensor in a horizontal position in a slightly descending line.

•Orientate the flow sensor such that the path of the acoustic signal is in the horizontal plane.

For exchanging the transducers, please keep a free space of 1 m / 39″ around the transducer.

3.5.1 Inlet and outlet

1 path flowmeter

Figure 3-2: Recommended inlet and oulet for ≤ DN80/3″

1≥ 20 DN

2≥ 3 DN

2 path flowmeter

Figure 3-3: Recommended inlet and oulet for ≥ DN100/4″

1≥ 10 DN

2≥ 3 DN

3.5.2Mounting position

•Horizontally with the acoustic path in horizontal plane

•Vertically

Figure 3-4: Mounting position

+15° < α < -15°

Figure 3-5: Horizontal and vertical mounting

3.5.3 Flange deviation

CAUTION!

Max. permissible deviation of pipe flange faces: Lmax — Lmin ≤ 0.5 mm / 0.02″

Figure 3-6: Flange deviation

1Lmax

2Lmin

3.5.4T-section

Figure 3-7: Distance behind a T-section

1 ≥ 10 DN

3.5.5 Vibration

Figure 3-8: Avoid vibrations

3.5.6 Control valve

To avoid distorted flow profiles and interference caused by valve noise in the sensor, control valves or pressure reducers should not be installed in the same pipeline as the flowmeter. In case this is required, please contact the manufacturer.

Figure 3-9: Control valve

3.5.7 Insulation

Figure 3-10: Leave vent holes free

1 Vent holes

WARNING!

Always leave vent holes free!

3.6 Mounting the field housing, remote version

INFORMATION!

Assembly materials and tools are not part of the delivery. Use the assembly materials and tools in compliance with the applicable occupational health and safety directives.

3.6.1 Pipe mounting

Figure 3-11: Pipe mounting of the field housing

1 Fix the signal converter to the pipe.

2Fasten the signal converter using standard U-bolts and washers.

3Tighten the nuts.

3.6.2 Turning the display of the field housing version

Figure 3-12: Turning the display of the field housing version

The display of the field housing version can be turned in 90° increments.

1Unscrew the cover from the display and operation control unit.

2Using a suitable tool, pull out the two metal puller devices to the left and right of the display.

3Pull out the display between the two metal puller devices and rotate it to the required position.

4Slide the display and then the metal puller devices back into the housing.

5Re-fit the cover and tighten it by hand.

CAUTION!

The ribbon cable of the display must not be folded or twisted repeatedly.

INFORMATION!

Each time a housing cover is opened, the thread should be cleaned and greased. Use only resinfree and acid-free grease.

Ensure that the housing gasket is properly fitted, clean and undamaged.

4.1 Safety instructions

DANGER!

All work on the electrical connections may only be carried out with the power disconnected. Take note of the voltage data on the nameplate!

DANGER!

Observe the national regulations for electrical installations!

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

WARNING!

Observe without fail the local occupational health and safety regulations. Any work done on the electrical components of the measuring device may only be carried out by properly trained specialists.

INFORMATION!

Look at the device nameplate to ensure that the device is delivered according to your order. Check for the correct supply voltage printed on the nameplate.

4.2 Signal cable (remote versions only)

The flow sensor is connected to the signal converter via the signal cable(s). A flow sensor with one acoustic path, 1 cable is required. A flow sensor with two acoustic paths, 2 cables are required.

Figure 4-1: Construction field version

1GFC 300 F converter

2Open connection box

3Tool for releasing connectors

4Marking on cable

5Insert cable(s) into connection box

CAUTION!

To ensure smooth functioning, always use the signal cable(s) included in the delivery.

Figure 4-2: Clamp the cables on the shielding bush

1Cables

2Cable glands

3Grounding clamps

4Cable with metal shielding bush

Figure 4-3: Connect the cables on the signal converter

INFORMATION!

Connect the cable on connector with similar numeral marking

4.3 Power supply

WARNING!

When this device is intended for permanent connection to the mains.

It is required (for example for service) to mount an external switch or circuit breaker near the device for disconnection from the mains. It shall be easily reachable by the operator and marked as the disconnecting the device for this equipment.

The switch or circuit breaker and wiring has to be suitable for the application and shall also be in accordance with the local (safety) requirements of the (building) installation

(e.g. IEC 60947-1 / -3)

INFORMATION!

The power terminals in the terminal compartments are equipped with additional hinged lids to prevent accidental contact.

1100…230 VAC (-15% / +10%), 22 VA

224 VAC/DC (AC: -15% / +10%; DC: -25% / +30%), 22 VA or 12 W

DANGER!

The device must be grounded in accordance with regulations in order to protect personnel against electric shocks.

100…230 VAC

•Connect the protective ground conductor PE of the mains power supply to the separate terminal in the terminal compartment of the signal converter.

•Connect the live conductor to the L terminal and the neutral conductor to the N terminal.

24 VAC/DC

•Connect a functional ground FE to the separate U-clamp terminal in the terminal compartment of the signal converter.

•When connecting to functional extra-low voltages, provide a facility for protective separation (PELV) (VDE 0100 / VDE 0106 and/or IEC 364 / IEC 536 or relevant national regulations).

Figure 4-4: Protect housing from dust and water

1 Lay the cable in a loop just before the housing.

2Tighten the screw connection of the cable entry securely.

3Never mount the housing with the cable entries facing upwards.

4Seal cable entries that are not needed with a plug.

4.5 Inputs and outputs, overview

4.5.1 Combinations of the inputs/outputs (I/Os)

This signal converter is available with various input/output combinations.

Basic version

•Has 1 current output, 1 pulse output and 2 status outputs / limit switches.

•The pulse output can be set as status output/limit switch and one of the status outputs as a control input.

Ex i version

•Depending on the task, the device can be configured with various output modules.

•Current outputs can be active or passive.

•Optionally available also with Foundation Fieldbus and Profibus PA

Modular version

• Depending on the task, the device can be configured with various output modules.

Bus systems

•The device allows intrinsically safe and non intrinsically safe bus interfaces in combination with additional modules.

•For connection and operation of bus systems, please note the separate documentation.

Ex option

•For hazardous areas, all of the input/output variants for the housing designs with terminal compartment in the Ex d (pressure-resistant casing) or Ex e (increased safety) versions can be delivered.

•Please refer to the separate instructions for connection and operation of the Ex-devices.

Figure 4-5: Marking (CG number) of the electronics module and input/output variants

1ID number: 6

2ID number: 0 = standard

3Power supply option

4Display (language versions)

5Input/output version (I/O)

61st optional module for connection terminal A

72nd optional module for connection terminal B

The last 3 digits of the CG number (5, 6 and 7) indicate the assignment of the terminal connections. Please see the following examples.

Examples for CG number

Description of abbreviations and CG identifier for possible optional modules on terminals A and B

4.5.3 Fixed, non-alterable input/output versions

This signal converter is available with various input/output combinations.

•The grey boxes in the tables denote unassigned or unused connection terminals.

•In the table, only the final digits of the CG no. are depicted.

•Connection terminal A+ is only operable in the basic input/output version.

Basic in-/output (I/O) (Standard)

Ex-i in-/outputs (Option)

1Function changed by reconnecting

2Changeable

OPTISONIC 7300

This signal converter is available with various input/output combinations.

•The grey boxes in the tables denote unassigned or unused connection terminals.

•In the table, only the final digits of the CG no. are depicted.

•Term. = (connection) terminal

Modular IOs (option)

Modbus (Option)

1Changeable

2Not activated bus terminator

3Activated bus terminator

4.6 Description of the inputs and outputs

4.6.1 Control input

INFORMATION!

Depending on the version, the control inputs must be connected passively or actively or according to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•All control inputs are electrically isolated from each other and from all other circuits.

•All operating data and functions can be adjusted.

•Passive mode: external power supply required: Uext ≤ 32 VDC

•Active mode: use of the internal power supply: Unom = 24 VDC

•NAMUR mode: in accordance with EN 60947-5-6

(Active control input to NAMUR EN 60947-5-6: signal converter monitors cable breaks and short circuits acc. to EN 60947-5-6. Errors indicated on LC display. Error messages possible via status output.

•For information on the adjustable operating states refer to Function tables on page 65.

INFORMATION!

For further information refer to Connection diagrams of inputs and outputs on page 36.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

4.6.2 Current output

INFORMATION!

The current outputs must be connected depending on the version! Which I/O versions and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•All outputs are electrically isolated from each other and from all other circuits.

•All operating data and functions can be adjusted.

•Passive mode: external power Uext ≤ 32 VDC at I ≤ 22 mA

•Active mode: load impedance RL ≤ 1 kΩ at I ≤ 22 mA; RL ≤ 450 Ω at I ≤ 22 mA for Ex i outputs

•Self-monitoring: interruption or load impedance too high in the current output loop

•Error message possible via status output, error indication on LC display.

•Current value error detection can be adjusted.

•Automatic range conversion via threshold or control input. The setting range for the threshold is between 5 and 80% of Q100%, ± 0…5% hysteresis (corresponding ratio from smaller to larger range of 1:20 to 1:1.25).

Signaling of the active range possible via a status output (adjustable).

•Forward / reverse flow measurement (F/R mode) is possible.

INFORMATION!

For further information refer to Connection diagrams of inputs and outputs on page 36.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

4.6.3 Pulse and frequency output

INFORMATION!

Depending on the version, the pulse and frequency outputs must be connected passively or actively or according to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•All outputs are electrically isolated from each other and from all other circuits.

•All operating data and functions can be adjusted.

•Passive mode:

External power supply required: Uext ≤ 32 VDC

I ≤ 20 mA at f ≤ 10 kHz (override up to fmax ≤ 12 kHz) I ≤ 100 mA at f ≤ 100 Hz

•Active mode:

Use of the internal power supply: Unom = 24 VDC

I ≤ 20 mA at f ≤ 10 kHz (over range up to fmax ≤ 12 kHz) I ≤ 20 mA at f ≤ 100 Hz

•NAMUR mode: passive in accordance with EN 60947-5-6, f ≤ 10 kHz, over range up to fmax ≤ 12 kHz

•Scaling:

Frequency output: in pulses per time unit (e.g. 1000 pulses/s at Q100%); Pulse output: quantity per pulse.

•Pulse width:

symmetric (pulse duty factor 1:1, independent of output frequency) automatic (with fixed pulse width, duty factor approx. 1:1 at Q100%) or fixed (pulse width adjustable as required from 0.05 ms…2 s)

•Forward / reverse flow measurement (F/R mode) is possible.

•All pulse and frequency outputs can also be used as a status output / limit switch.

CAUTION!

At frequencies above 100 Hz, shielded cables must be used to prevent radio interference.

INFORMATION!

For further information refer to Connection diagrams of inputs and outputs on page 36.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

4.6.4 Status output and limit switch

INFORMATION!

Depending on the version, the status outputs and limit switches must be connected passively or actively or according to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•The status outputs / limit switches are electrically isolated from each other and from all other circuits.

•The output stages of the status outputs/limit switches during simple active or passive operation behave like relay contacts and can be connected with any polarity.

•All operating data and functions can be adjusted.

•Passive mode: external power supply required: Uext ≤ 32 VDC; I ≤ 100 mA

•Active mode: use of the internal power supply: Unom = 24 VDC; I ≤ 20 mA

•NAMUR mode: passive in accordance with EN 60947-5-6

•For information on the adjustable operating states refer to Function tables on page 65.

INFORMATION!

For further information refer to Connection diagrams of inputs and outputs on page 36.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

4.6.5 Control input

INFORMATION!

Depending on the version, the control inputs must be connected passively or actively or according to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•All control inputs are electrically isolated from each other and from all other circuits.

•All operating data and functions can be adjusted.

•Passive mode: external power supply required: Uext ≤ 32 VDC

•Active mode: use of the internal power supply: Unom = 24 VDC

•NAMUR mode: in accordance with EN 60947-5-6

(Active control input to NAMUR EN 60947-5-6: signal converter monitors cable breaks and short circuits acc. to EN 60947-5-6. Errors indicated on LC display. Error messages possible via status output.

•For information on the adjustable operating states refer to Function tables on page 65.

INFORMATION!

For further information refer to Connection diagrams of inputs and outputs on page 36.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

4.7 Connection diagrams of inputs and outputs

4.7.1 Important notes

INFORMATION!

Depending on the version, the inputs/outputs must be connected passively or actively or acc. to NAMUR EN 60947-5-6! Which I/O version and inputs/outputs are installed in your signal converter are indicated on the sticker in the cover of the terminal compartment.

•All groups are electrically isolated from each other and from all other input and output circuits.

•Passive mode: An external power supply is necessary to operate (activation) the subsequent devices (Uext).

•Active mode: The signal converter supplies the power for operation (activation) of the subsequent devices, observe max. operating data.

•Terminals that are not used should not have any conductive connection to other electrically conductive parts.

DANGER!

For devices used in hazardous areas, additional safety notes apply; please refer to the Ex documentation.

Description of the used abbreviations

4.7.2 Description of the electrical symbols

mA meter

0…20 mA or 4…20 mA and other

RL is the internal resistance of the measuring point including the cable resistance

DC voltage source (Uext), external power supply, any connection polarity

DC voltage source (Uext), observe connection polarity according to connection diagrams

Internal DC voltage source

Controlled internal power source in the device

Electronic or electromagnetic counter

At frequencies above 100 Hz, shielded cables must be used to connect the counters.

Ri Internal resistance of the counter

Button, NO contact or similar

Table 4-1: Description of symbols

4.7.3 Basic inputs/outputs

CAUTION!

Observe connection polarity.

Current output active (HART®), basic I/Os

•Uint, nom = 24 VDC nominal

•I ≤ 22 mA

•RL ≤ 1 kΩ

Figure 4-6: Current output active Ia

Current output passive (HART®), basic I/Os

•Uint, nom = 24 VDC nominal

•Uext ≤ 32 VDC

•I ≤ 22 mA

•U0 ≥ 1.8 V

•RL ≤ (Uext — U0) / Imax

Figure 4-7: Current output passive Ip

INFORMATION!

•For frequencies above 100 Hz, shielded cables are to be used in order to reduce effects from electrical interferences (EMC).

•Compact and field housing versions: Shield connected via the cable terminals in the terminal compartment.

Wall-mounted version: Shield connected using 6.3 mm / 0.25″ push-on connectors (insulation to DIN 46245) in the terminal compartment.

•Any connection polarity.

Pulse/frequency output passive, basic I/Os

•Uext ≤ 32 VDC

•fmax in operating menu set to fmax ≤ 100 Hz: I ≤ 100 mA

open:

I ≤ 0.05 mA at Uext = 32 VDC closed:

U0, max = 0.2 V at I ≤ 10 mA U0, max = 2 V at I ≤ 100 mA

•fmax in the operating menu set to 100 Hz < fmax ≤ 10 kHz: I ≤ 20 mA

open:

I ≤ 0.05 mA at Uext = 32 VDC closed:

U0, max = 1.5 V at I ≤ 1 mA U0, max = 2.5 V at I ≤ 10 mA U0, max = 5.0 V at I ≤ 20 mA

•If the following maximum load resistance RL, max is exceeded, the load resistance RL must be reduced accordingly by parallel connection of R:

f ≤ 100 Hz: RL, max = 47 kΩ f ≤ 1 kHz: RL, max = 10 kΩ f ≤ 10 kHz: RL, max = 1 kΩ

•The minimum load resistance RL, min is calculated as follows: RL, min = (Uext — U0) / Imax

•Can also be set as status output; for the electrical connection refer to status output connection diagram.

INFORMATION!

• Any connection polarity.

Status output / limit switch passive, basic I/Os

•Uext ≤ 32 VDC

•I ≤ 100 mA

•RL, max = 47 kΩ

RL, min = (Uext — U0) / Imax

•open:

I ≤ 0.05 mA at Uext = 32 VDC closed:

U0, max = 0.2 V at I ≤ 10 mA U0, max = 2 V at I ≤ 100 mA

•The output is open when the device is de-energized.

•X stands for the terminals B, C or D. The functions of the connection terminals depend on the settings refer to Function tables on page 65.

Figure 4-9: Status output / limit switch passive Sp

Control input passive, basic I/Os

•8 V ≤ Uext ≤ 32 VDC

•Imax = 6.5 mA at Uext ≤ 24 VDC Imax = 8.2 mA at Uext ≤ 32 VDC

•Switching point for identifying «contact open or closed»: Contact open (off): U0 ≤ 2.5 V with Inom = 0.4 mA Contact closed (on): U0 ≥ 8 V with Inom = 2.8 mA

•Can also be set as a status output; for the electrical connection refer to status output connection diagram.

1 Signal

4.7.4 Modular inputs/outputs and bus systems

CAUTION!

Observe connection polarity.

INFORMATION!

•For further information on electrical connection refer to Description of the inputs and outputs on page 31.

•For the electrical connection of bus systems, please refer to the separate documentation for the respective bus systems.

Current output active (only current output terminals C/C- have HART® capability), modular I/Os

•Uint, nom = 24 VDC

•I ≤ 22 mA

•RL ≤ 1 kΩ

•X designates the connection terminals A, B or C, depending on the version of the signal converter.

Figure 4-11: Current output active Ia

Current output passive (only current output terminals C/C- have HART® capability), modular I/Os

•Uext ≤ 32 VDC

•I ≤ 22 mA

•U0 ≥ 1.8 V

•RL, max= (Uext — U0) / Imax

•X designates the connection terminals A, B or C, depending on the version of the signal converter.

Figure 4-12: Current output passive Ip