Fisher HART 2530H1 Manuale utente

D102237X012

FIELDVUE, ValveLink, Fisher, Fisher-Rosemount, and Managing The Process Better are

marks owned by Fisher Controls International, Inc. or Fisher-Rosemount Systems, Inc.

HART is a trademark of the HART Communications Foundation

All other marks are the property of their respective owners.

This product may be covered by one or more of the following patents (5,434,774 and

5,451,923 ) or under pending patents.

Type

530H

1 H

ART

Interchange Multiplexer

Contents

Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scope of Manual 1.

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description 1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting 4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multiplexer Mounting 4.

. . . . . . . . . . . . . . . . . . . . . . .

HARTFilter Mounting 4.

. . . . . . . . . . . . . . . . . . . . .

Junction Box Mounting 6.

. . . . . . . . . . . . . . . . . . . . .

Connecting Multiplexer Power 7.

. . . . . . . . . . . . . . . .

Connecting Multiple HART Interchange

Multiplexers 7.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting Multiplexers to the

RS232-to-RS485 Converter 7.

. . . . . . . . . . . . . . . .

Converter DIP Switches 7.

. . . . . . . . . . . . . . . . . . . . .

Setting the Converter RS485 Termination

and Biasing 8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the Converter Baud Rate 9.

. . . . . . . . . . . . .

Multiplexer DIP Switches 9.

. . . . . . . . . . . . . . . . . . . . .

Setting the Multiplexer RS485 Addresses 9.

. . . . .

Setting the Multiplexer RS485 Baud Rate 9.

. . . . .

Connecting Field Devices to the Multiplexer 10.

. .

Connecting HART Filters Directly to the

Multiplexer 10.

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting HART Filters to the Multiplexer

Using the Type HJ200 Junction Box 11.

. . . . . . .

Connecting Field Devices Directly to the

Multiplexer (without HART Filters) 11.

. . . . . . . .

Connecting Field Devices to the Multiplexer

Using the Type HJ200 Junction Box

(without HART Filters) 12.

. . . . . . . . . . . . . . . . .

Connecting a HART Communicator Using

the Type HJ200 Junction Box 12.

. . . . . . . . . . .

System Startup

12.

. . . . . . . . . . . . . . . . . . . . . . . . .

Verifying Connections 12.

. . . . . . . . . . . . . . . . . . . . .

Verifying the Network Baud Rate 13.

. . . . . . . . . . . .

Verifying the HART Interchange

Multiplexer Addresses 13.

. . . . . . . . . . . . . . . . . . .

Verifying the RS485 Network 13.

. . . . . . . . . . . . . . .

Reading the Converter LED Indicators 13.

. . . . . . .

Reading the Multiplexer LED Indicators 13.

. . . . . .

Service

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Figure 1. T

ype 2530H1 HAR

T Interchange Multiplexer

W6486/IL

Introduction

Scope of Manual

This instruction manual includes installation and main-

tenance information for the Type 2530H1 HART inter-

change multiplexer. Refer to separate manuals for

additional information on other FIELDVUEproducts

used with the multiplexer such as the Type DT4000

digital transducer, DVC5000 Series digital valve con-

trollers, HF200 Series HART filters, and the

ValveLinkSeries VL2030 software.

Only personnel qualified through training or experience

should install, operate, and maintain the Type 2530H1

HART interchange multiplexer. If there are any ques-

tions concerning these instructions contact your Fisher

Controls sales office or sales representative before

proceeding.

Description

The Type 2530H1 HART interchange multiplexer is a

HART-based multiplexer that links installed HART-

based field devices to a centralized personal computer

(PC). When used in conjunction with the ValveLink

Type VL2030 software, the multiplexer provides the

Instruction Manual

Form 5407

February 1996

Type 2530H1

Table 1. Specifications

Inputs

Accepts 1200 baud HART compatible signals from

up to 32 field instruments

Input Connectors

Supplied with two 37 pin female Cannon D-shell

connectors (for use with Type HJ200 junction box

cables) and eight 8-terminal connectors that accept

2-conductor plugs (Weidmuller part number 152646

or equivalent) from HF200 Series HART filters.

Eight terminal blocks that plug into the connectors,

each with eight cage-clamp contacts, are also sup-

plied for connecting individual wire pairs from field

instruments or from Type HF240 filters.

Outputs

HART RS485 selectable 9600, 19.2K, or 38.4K

baud

Addressable 0 to 31

Output Connections

Single terminal block with three cage-clamp con-

tacts

Power Supply Requirements

24 Vdc (36 Vdc maximum); 300 mA nominal

Power Supply Connections

Single terminal block with two cage-clamp contacts

Operative Ambient Temperature Limits

32 to 158F (0 to 70C)

Storage and Transportation Temperature Limits

–4 to 158F (–20 to 70C)

Housing

General purpose—additional enclosure recom-

mended for environmental protection

Mounting

Mounts to standard G-type (EN50035)/(DIN46277)

or T-type (EN50022)/(DIN46277-3) DIN rail. Dis-

tance from RS232-to-RS485 converter is 3000 feet

(914 m) maximum, longer distances are possible

with an RS485 repeater.

Dimensions

14.2 in (360 mm) long, 4.6 in (117 mm) wide, 2.6 in

(65 mm) high

Approximate Weight

3.8 lbs (1.7 kg)

Table 2. HJ200 Junction Box Specifications

Field Connections

Four receptacles accept up to sixteen plugs (Weid-

muller part number 152646 or equivalent). Each

plug accepts two conductors.

HART Interchange Multiplexer Cable Connection

37-pin D-shell female connector

Mounting

Type 32 or 35 DIN rail or wall mount

Dimensions

4 inches (102 mm) long by 3 inches (76 mm) wide

by 2 inches (50 mm) deep

Approximate Weight

6 oz. (0.2 kg)

Interconnecting Cable

Connects junction box to Type 2530H1 HART Inter-

change multiplexer. Supplied with 37-pin D-shell

male connector on each end.

Length: 25 feet (7 meters), 50 feet (15 me-

ters), 75 feet (23 meters), or 100 feet (30 meters)

capability to remotely configure, troubleshoot, and

monitor installed FIELDVUE instruments. It is the ideal

tool for commissioning new instruments or for monitor-

ing installed instruments.

Each multiplexer has four communication channels,

each channel connecting to eight field devices, to sup-

port a total of 32 HART-based field devices. With the

ability to network up to 32 multiplexers, a host PC can

Type 2530H1

Figure

2. Example T

ype 2530H1 HAR

T Interchange Multiplexer Installation with HF200 Series HAR

T Filters

OUTPUT

TERMINALS

TYPE 2530H1 HART

INTERCHANGE

MULTIPLEXERS

PERSONAL COMPUTER

WITH VALVELINK

TYPE VL2030 SOFTWARE

FIELD

DEVICES

HF200 SERIES

HART FILTERS

TYPE HJ200

JUNCTION BOX

2-CONDUCTOR

PLUGS

37-PIN

D-SHELL

CONNECTOR

INTERCONNECTING

CABLE

RS485 NETWORK

RS232-RS485

CONVERTER

OUTPUT

CHANNELS

– - - UP TO 29 MORE

MULTIPLEXERS

A6791 / IL

communicate with up to 1024 HART-based devices on

a single network. Most PCs can support two network

connections to provide communication with up to 2048

field devices.

Figure 2 shows a typical HART communication sys-

tem. The multiplexers communicate with a host com-

puter over an RS485 network. The computer commu-

nicates to the multiplexer network through a serial port

using RS232 signal levels. Therefore, a converter is

required to convert the RS232 signal to an RS485 sig-

nal.

Typically, the multiplexer is installed in a system with

HF200 Series HART filters. The purpose of the filter is

to effectively isolate the control system analog output

from the HART communication signals and to keep

changes in the analog output from interfering with the

HART communication. The filter receives the 4 to 20

mA dc current signal from the control system and pro-

vides a filtered replica of this current to the field de-

vice. The filter does not modify the HART signals be-

tween the field device and the multiplexer.

The filter can mount directly on the control system out-

put terminals, as shown, or on DIN rails in a cabinet

near the control system. The field device then con-

nects to the filter output terminals. A communication

cable from the filter connects the HART signal to the

Type 2530H1

Figure

3. Example T

ype 2530H1 HAR

T Interchange Multiplexer Installation without Filters

Control

System

Output

Terminals

Personal Computer

With Valvelink Type Vl2030 Software

Field

Devices

TYPE 2530H1 HART

INTERCHANGE

MULTIPLEXERS

RS232-RS485

CONVERTER RS485

NETWORK

– - - UP TO

29 MORE

MULTIPLEXERS

A6795 / IL

multiplexer. A connector on the communication cable

plugs either directly into a multiplexer terminal block or

into a Type HJ200 junction box.

The multiplexer also may be installed in a system that

does not require HART filters as shown in figure 3.

Individual wire pairs connect the field devices directly

to the multiplexer, via the field input terminal blocks on

the multiplexer, or through a Type HJ200 junction box.

When the junction box is used, the HART signal from

the filter or field device is connected to the junction

box. A multi-wire interconnecting cable connects be-

tween a 37-pin D-shell connector on the junction box

and one of the 37-pin D-shell connectors on the multi-

plexer. The junction box accepts up to 16 filter or field

device connections.

Specifications

Specifications for the Type 2530H1 HART interchange

multiplexer are listed in table 1. Specifications for the

Type HJ200 junction box are listed in Table 2. See the

appropriate instruction manuals for specifications on

the HF200 Series HART filters or the ValveLink Type

VL2030 software.

Installation

The HART interchange multiplexer is shown in figure

4. The field device input connections, power and

RS485 connections are labeled for installation conve-

nience. Each multiplexer is an addressable node on

the RS485 network. A standard eight-position DIP

switch is used for RS485 addressing and baud rate

selection. Three LEDs are provided for monitoring the

multiplexer status.

Mounting

Multiplexer Mounting

Mount the HART interchange multiplexer on a user-

supplied DIN rail. Two types of DIN rails can be used:

TS-35, symmetrical (Top Hat/T-Type) EN 50022

(DIN46277-3). See figure 5.

TS-32, asymmetrical (G-Type) EN50035

(DIN46277-1). See figure 6.

Install the HART interchange multiplexer near the field

device marshaling panels or termination panels.

HART Filter Mounting

Four types of filters are available. The Type HF210,

HF220, and HF230 filters mount directly on the control

Type 2530H1

Figure

4. HAR

T Interchange Multiplexer T

op V

iew

GROUNDING STUD

DIP SWITCHES

SET ADDRESS,

BAND RATE, AND

TEST MODE

GROUNDING

STUD

DIN RAIL

MOUNTING

SCREW

CONNECTORS ACCEPT PLUGS FROM

HF200 SERIES HART FILTERS OR

TERMINAL BLOCKS WITH WIRE PAIRS

LED INDICATORS

DIN RAIL

MOUNTING

SCREW

RS485

CONNECTOR

POWER

CONNECTOR

37-PIN D-SHELL

CONNECTOR ACCEPTS

CABLE FROM TYPE

HJ200 HART JUNCTION BOX

REMOVABLE TERMINAL BLOCKS

ACCEPT WIRE PAIRS

FROM TYPE HF240 HART FILTER

OR DIRECTLY FROM FIELD DEVICE

37-PIN D-SHELL

CONNECTOR ACCEPTS

CABLE FROM TYPE HJ200

HART JUNCTION BOX

W6485*/IL

Figure5. Mounting Symmetrical T-Type DIN Rail

(HAR

T Interchange Multiplexer End V

iew)

Clamp Screw

(loose 5 turns) Clamp Screw

(fully tightened)

A6796/IL

Figure6. Mounting Asymmetrical G-T

ype Din Rail

(HAR

T Interchange Multiplexer End V

iew)

Clamp Screw

(loose 5 turns) Clamp Screw

(fully tightened)

A6797/IL

system output terminals. The Type HF240 filter

mounts to a DIN rail. For additional information on fil-

ter installation, adjustment, and maintenance, refer to

the

HF200 Series HART Filters Instruction Manual.

WARNING

To avoid personal injury or property

damage from an uncontrolled process,

Figure7. T

ype HF210 HAR

T Filter Showing Normal

Polarity Orientation

CONTROL SYSTEM

CONNECTION

FIELD

INSTRUMENT

CONNECTION HART COMMUNICATION

CABLE TERMINATED

WITH 2-CONDUCTOR PLUG

W6495*/IL

–

–+

HART COMMUNICATION

CABLE

FILTER

provide some temporary means of pro-

cess control before taking the loop out

of service.

Mounting Types HF210 and HF220—Cage Clamp

and Conventional Screw Terminal Filters

The Type HF210 and HF220 filters mount on a control

system output terminal strip that has a single row of

screw terminals. A pair of 16 AWG solid wires extend

from the input side of the filter. These wires connect to

the terminal block of the control system output. The

output side of the filter has either a screw-terminal

style or a cage-clamp style terminal assembly. A

10-foot (3 meter) cable connects the filter to the multi-

plexer.

These filters are available with normal or reverse po-

larity orientation. Figure 7 shows a Type HF210 filter

with normal polarity orientation, the input and output

negative (–) connections are to the left of the positive

(+) connections. The reverse polarity orientation has

the connections reversed; the negative (–) connec-

Type 2530H1

Figure8. T

ype HF240 HAR

T Filter

CONTROL SYSTEM CONNECTION

HART COMMUNICATION

CONNECTION

FIELD INSTRUMENT

CONNECTION

W6493*/IL

tions are to the right of the positive (+) connections,

rather than to the left as shown. The polarity is indi-

cated on the filter. Be sure to use the filter with the

correct polarity.

To mount the filters, provide some temporary means of

process control, then take the loop out of service.

Remove the field wiring from the control system 4 to

20 mA current output terminals. Connect the field wir-

ing to the filter output terminals, taking care to main-

tain correct polarity. Cut and strip the solid wires on

the filter input to the correct length and connect these

wires to the control system 4 to 20 mA output termi-

nals, again taking care to maintain correct polarity. If

the installation requires crossing wires to obtain the

correct polarity, the wrong filter is being used.

Type HF230—Staggered Screw Terminal Filters

The Type HF230 filters mount on a control system out-

put terminal strip that has two tiers (staggered) of

screw terminals. Two stamped metal fingers extend

from the input side of the filter. These fingers connect

to the terminal block on the control system output. The

output side of the filter has a screw-terminal style ter-

minal assembly. A 10-foot (3 meter) cable connects

the filter to the multiplexer.

To mount the filters, provide some temporary means of

process control, then take the loop out of service.

Remove the field wiring from the control system 4 to

20 mA current output terminals. Connect the field wir-

ing to the filter output terminals, taking care to main-

tain correct polarity. Place the stamped metal fingers

under the control system output terminals and fasten

securely.

Type HF240 DIN Rail Mount Filter

The Type HF240 filter, shown in figure 8, mounts on a

type 32 or 35 DIN rail. The filter has three 2-terminal

cage clamp style connectors for the filter input, filter

Figure9. T

ype HJ200 Junction Box Printed

Wiring Board Removal

APPLY PRESSURE

TO WALLS OF

MOUNTING TRACK TO

REMOVE PRINTED

WIRING BOARD

W6492*/IL

output, and HART communications port. No wires or

connectors are provided in this design. The user pro-

vides field wiring and control system output wiring, the

existing wiring can be used. The user also provides

the wiring between the filter and the multiplexer.

To mount the filters, provide some temporary means of

process control, then take the loop out of service.

Without disconnecting existing wiring, remove the DIN

interconnect blocks from the rail. Install the filter on the

DIN rail. Disconnect the wires from the control system

output side of the interconnect blocks and connect

them to the filter input connectors, taking care to main-

tain correct polarity. Disconnect the wires from the

field side of the interconnect blocks and connect them

to the filter output connectors, taking care to maintain

correct polarity.

Shielded Wiring

If using shielded wiring on both sides of the filter, the

shield should connect across the filter. If the filter con-

nects directly to the control system output and

shielded loop wiring is being used, connect the shield

to system ground on the instrument side of the filter.

Junction Box Mounting

The Type HJ200 junction box is built on Augat Snap-

Track mounting track. The mounting track can be

mounted to a panel, or snapped to a DIN Rail using

the available mounting foot. Mounting holes are avail-

able on the back of the mounting track for screws, riv-

ets, or other fasteners. In addition, the mounting track

could be fastened with Velcro or some other means.

In all cases, except the DIN-foot, remove the printed

wiring board from the mounting track before fastening

the mounting track. Remove the printed wiring board

by applying pressure to the walls of the mounting

track, as shown in figure 9. After the mounting track is

mounted, re-install the printed wiring board by press-

ing it into the mounting track until it snaps in place.

Type 2530H1

Figure

10. End V

iew of HAR

T Interchange Multiplexer

Showing RS485 Connector

, Power Connector

, and Ground Stud

RS-485 CONNECTOR

GROUNDING

STUD

POWER CONNECTORW6488*/IL

Connecting Multiplexer Power

CAUTION

When applying power to the multiplexer,

do not exceed 36 volt dc. Exceeding 36

volt dc will blow the fuse. Although the

fuse automatically resets, constant ex-

posure to high voltages may damage

the unit.

The multiplexer requires 24 volt dc at 300 mA. Con-

nect the power supply using the 2-terminal removable

terminal block that is plugged into the multiplexer pow-

er connector. See figures 4 and 10 for the power con-

nector location. The power connector is polarized so

that it cannot be inserted incorrectly. The polarity of

the terminal block is marked on the multiplexer.

To connect the metalwork of the multiplexer to chassis

ground, use either of the studs provided on the unit.

See figure 10.

Note

The HART interchange multiplexer con-

tains a DC-to-DC converter so ground

loop problems will not occur.

No external power is required for the filters, they draw

their power from the 4 to 20 mA loop current.

Connecting Multiple HART Interchange

Multiplexers

Figure 11 shows the connection between multiplexers.

To connect multiple HART interchange multiplexers:

1. Connect the A and B terminals of each multiplexer

on the RS485 network to the A and B terminal of the

next unit (i.e., A to A and B to B).

2. Place a 100-ohm resistor between the A and B ter-

minals on the last multiplexer in the arrangement.

Note

The following step is optional.

3. Connect the shield of the RS485 twisted pair wire

to the 0V terminal on the multiplexer RS485 connector

to reduce interference with the RS485 line.

Connecting Multiplexers to the

RS232-to-RS485 Converter

CAUTION

Do not connect 24 volt dc power to the

RS485 connection. Power applied to the

RS485 connection can damage the

RS485 circuitry and cause HART inter-

change multiplexer failure.

The RS485 connector is a 3-pin removable terminal

block located just above the power connector. The

three RS485 connections are labeled as shown in fig-

ures 4 and 10.

Connect the first multiplexer to the RS232-to-RS485

converter. Refer to figure 11.

Note

The first HART interchange multiplexer

A and B terminals must be correctly

connected to the RS232-to-RS485 con-

verter to enable the host PC to commu-

nicate with all of the multiplexers on the

network.

1. Connect terminal A of the first multiplexer to termi-

nal G (DATA–) of the converter RS485 OUT connec-

tor.

2. Connect terminal B of the first multiplexer to termi-

nal Y (DATA+) of the converter RS485 OUT connec-

tor.

Converter DIP Switches

Both the RS232-to-RS485 Converter and the HART

interchange multiplexer have user selectable DIP

switches. As shown in figure 12, the converter has

three sets of switches on the back panel.

The set of three switches adjacent to the RS485

IN connector determine the termination and biasing of

Type 2530H1

Figure

1. RS485 Installation Guidelines

100 OHM RESISTOR

A6798 / IL

Figure

12. M1000 Series RS232 to RS485

ConverterBack Panel

W6490/IL

the RS485 input. (The connection labeled RS485 IN is

only used when the unit is installed as a repeater.)

The set of ten switches near the center of the

back panel determine the converter baud rate.

The set of three switches near the RS485 OUT

connector determine the termination and biasing of the

RS485 output.

For the set of three switches adjacent to the RS485

connectors, when in the up position the switch labeled

1K places a 1k ohm pull-up resistor between the

DATA+ line and +5 Vdc. Placing the switch labeled

–1K in the up position connects a 1k ohm pull-down

resistor between the DATA– line and ground. Placing

the switch labeled 220 in the up position terminates

the RS485 input or output with a 220 ohm resistor.

For additional information on setting the converter DIP

switches, refer to the converter instruction manual.

Note

Do not use a pencil to set the switches.

Graphite from the pencil can fall into the

switches causing them to fail.

To set the switches, use a pointed object to push the

switch to the desired position.

Setting the Converter RS485 Termination

and Biasing

When the converter is used as an RS232-to-RS485

converter, set the three switches adjacent to the

RS485 IN connector as follows: set the switches la-

beled +1K and –1K to the up position and the switch

labeled 220 to the down position. When using the unit

as a repeater place all three switches in the up posi-

tion.

Type 2530H1

Always set the three switches adjacent to the RS485

OUT connector to the up position, when using the con-

verter with a Type 2530H1 HART interchange multi-

plexer.

Setting the Converter RS485 Baud Rate

The set of ten switches between the RS232 connector

and the RS485 OUT connector determine the convert-

er baud rate. To set the converter for a baud rate of

38.4K baud (the recommended baud rate) set the

switch labeled 38.4K to the up position. Set all other

switches in the set of ten to the down position. To se-

lect another baud rate, set the switch labeled with the

desired baud rate to the up position and set all other

switches in the set of ten to the down position.

Multiplexer DIP Switches

The HART interchange multiplexer has eight dip

switch settings. The eight switches are numbered and

labeled on the face of the unit as follows:

Switches 1 through 5 set the network address.

Switches 6 and 7 set the baud rate.

Switch 8 puts the multiplexer into the test mode.

This switch should be OFF.

Note

Do not use a pencil to set the switches.

Graphite from the pencil can fall into the

switches causing them to fail.

To set the switches, use a pointed object to push the

switch to the desired position. See figure 13 for more

detail on multiplexer switch positions.

Setting the Multiplexer RS485 Addresses

Note

After changing the switch positions,

power to the multiplexer must be re-

moved and reapplied before the change

will become effective.

Use switches one through five to set network address-

es. There are a total of 32 possible addresses (0

through 31) for assignment to the multiplexer.

Each multiplexer in an RS485 network must have a

different address. When setting an address:

1. Remove power from the multiplexer.

2. Set the addresses. Table 3 shows the switch set-

tings for each of the 32 possible addresses.

Table 3. RS485 Address Switch Settings

Address

Switch Setting

Address 12345

Off

31 Off

ON ON

able 4. Baud Rate Switch Settings

Baud Rate (baud)

Switch Setting

Baud Rate (baud) 6 7

9600

19200

38400

Off

3. Apply power to the multiplexer.

Setting the Multiplexer RS485 Baud Rate

Note

After changing the switch positions,

power to the multiplexer must be re-

moved and reapplied before the change

will become effective.

Use switches six and seven to set the multiplexer

baud rate. A baud rate of 38.4K baud is recommended

for optimum data refresh rates. The switch settings

required to obtain the various baud rates are shown in

table 4.

Note

At system startup, check to see that all

network components, including the

Type 2530H1

Figure

13. Setting HAR

T Interchange Multiplexer DIP Switches

OFF ON

ADDRESS

BAUD RATE

SET OFF (TEST)

W6485/IL

RS232-to-RS485 converter and the

ValveLink software are set to the same

baud rates to assure proper network op-

eration.

Connecting Field Devices to the

Multiplexer

Three methods are available for connecting field de-

vices to the multiplexer. The eight connectors on the

multiplexer accept terminal blocks supplied with the

multiplexer for individual wire pairs from the field de-

vices or accept the plugs provided with the HF200 Se-

ries filters. The 37-pin female D-shell connectors ac-

cept a multi-wire interconnecting cable from a Type

HJ200 junction box.

To connect the field devices to the HART interchange

multiplexer use either:

One pair of wires from each field device to the

multiplexer, or

One pair of wires from each HART filter to the

multiplexer, or

One pair of wires from each field device or HART

filter to a Type HJ200 junction box; then, connect the

interconnecting cable between the junction box and

the multiplexer.

Figure

14. HAR

T Interchange Multiplexer Individual

Device Wiring Terminals

REMOVABLE

TERMINAL BLOCKS FOR

WIRING OF FIELD DEVICE INPUTS

W6489*/IL

CAUTION

To avoid HART communication failure,

do not use more than one of the above

methods to connect a single field device

to the same multiplexer.

Connecting HART Filters Directly to the

Multiplexer

For the Type HF210, HF220, and HF230 filters, one

pair of 22 AWG wires, 10 feet (3.05 meters) long and

terminated with a 2-conductor plug (Weidmuller part

number 152646 or equivalent) extends from the output

side of each filter. These wires connect to the multi-

plexer, either directly or through the Type HJ200

HART junction box. The Type HF240 DIN-rail mount

filter has a terminal block to allow for user installed

wiring. For more information on installing, adjusting,

and maintaining the HF200 Series HART filters, refer

to the

HF200 Series HART Filters Instruction Manual

1. Mount the filters and make the field wiring connec-

tions as described under mounting in the Installation

section of this manual.

2. To connect the filters to the multiplexer:

a. For Type HF210, HF220, and HF230 fil-

ters—Remove one or more terminal blocks with

cage-clamp contacts, shown in figure 14, from the

multiplexer. Insert the plug on the filter communica-

tion cable into the connector on the multiplexer.

The individual channel connections are marked on

the multiplexer case. The communication cable

from the filter can be connected to any channel.

b. For Type HF240 filters, connect a wire pair

from the communications terminal block on the fil-

Indice

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