Acromag BusWorks 900EN Series Manual de usuario

(217) 352-9330 | [email protected] | artisantg.com

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Find the Acromag BusWorks 981EN-4012 at our website: Click HERE

BusWorks® 900EN Series –Modbus TCP/IP

10/100MB Industrial Ethernet I/O Modules

Model 981EN-4012 12 Active-Low Digital Inputs

Model 982EN-4012 12 Sinking Digital Outputs

Model 983EN-4012 12 Tandem Digital Input/Output

USER’S MANUAL

ACROMAG INCORPORATED Tel: (248) 295-0880

30765 South Wixom Road Fax: (248) 624-9234

Wixom, MI 48393-2417 U.S.A.

Data and specifications are subject to change without notice. 8500717M

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

__________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

IMPORTANT SAFETY CONSIDERATIONS

You must consider the possible negative effects of power, component,

wiring, sensor, or software failure in the design of any type of monitoring or

control system. This is very important where property loss or human life is

involved. It is important that you perform satisfactory overall system design

and it is agreed between you and Acromag, that this is your responsibility.

GETTING STARTED

MOUNTING AND DIMENSIONS………………………

CONTROLS & INDICATORS..…………………………

ISOLATION BARRIERS..……………………………….

I/O PULLUP RESISTOR INSTALLATION……………

CONNECTIONS…………………………………………

DIN-Rail Mounting And Removal………………

Network…………………………………………….

Power……………………………………………….

Digital Inputs………………………………………

Digital Outputs..…………………………………..

Earth Ground..………………………………….….

WEB BROWSER………………………………………..

Home Page…………………………………………

Password Configuration Page.………………...

Network Configuration……..……………………

I/O Mapping Page (Optional i2o Function)..…

Test Page…………………………………………..

TROUBLESHOOTING………………………………….

Diagnostics Table……………………………..….

Trouble Browsing Your Module?.....................

Getting Out Of Trouble…………………………..

TECHNICAL REFERENCE

KEY FEATURES…………………………………………

HOW IT WORKS………….……………………………..

ABOUT MODBUS TCP/IP….…………………………..

IP Addressing…………..…………………………

Dynamic Host Configuration Protocol………..

Domain Name System DNS)……………………

MODBUS REGISTERS…………………………………

Data Types…………………………………………

SPECIFICATIONS………………………………………

Model Numbers….………………………………..

Digital Inputs…………………....…………………

Digital Outputs………………..…………………..

General Specifications…………………………..

Enclosure and physical………………………….

Agency approvals…..…………………………….

Environmental…………………………………….

Ethernet interface………………………………...

Controls & Indicators…………………………….

ACCESSORY CABLES……..………………………….

REVISION HISTORY…….…..………………………….

TABLE OF

CONTENTS

Symbols on equipment:

Means “Refer to User’s

Manual (this manual) for

additional information”.

The information of this manual

may change without notice.

Acromag makes no warranty

of any kind with regard to this

material, including, but not

limited to, the implied

warranties of merchantability

and fitness for a particular

purpose. Further, Acromag

assumes no responsibility for

any errors that may appear in

this manual and makes no

commitment to update, or

keep current, the information

contained in this manual. No

part of this manual may be

copied or reproduced in any

form without the prior written

consent of Acromag, Inc.

For additional information,

please visit our web site at

www.acromag.com and

download our whitepaper

8500-765, Introduction To

Modbus TCP/IP, or 8500-648,

Introduction to Modbus.

Windows® is a registered

trademark of Microsoft

Corporation.

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

___________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

46 44 43 41 33

DC-

5 6

1 20

TB1

EXC1

RTN

CH1

CH10

CH2

CH9

RTN

EXC3

TB4

EXC2

CH4

CH6

GND

CH7

TB3

CH. I/O STATUS

RS T

A C T

LINK

45 42

P W R

DC+

RUN

3.75

(95.3)

TB1

CH0

CH11

TB2

CH3

CH8

CH5

RTN

2623

TB3

4.68

(118.9)

3.90

(99.1)

E THE R NE T

DFT

DIGITAL IN or OU T

2.34

(59.4)

DIGITAL IN or OU T

Acromag

DIGITAL IN or OU T

1.05

(26.7) "T"RAILDINMOUNTING

DINEN 50022, 35mm 4.35

(110.5)

NOTE: DimensionsAreINCHES (MILLIMETERS).

MODEL 981/982/983EN ENCLOSURE DIMENSIONS

Model 983EN-4012 Shown

(981EN-4012 & 982EN-4012 Sim ilar)

RST

6 7

21 24

ACT

2 3

TB1

CH 1 CH10

RTN EXC3

EXC2

CH 6 GND

TB3

LINK

TB1

12 14 15

45 43 42

22 2523

EXC1 RTN

CH 0

CH 2

CH 3

CH11

CH 9

TB4

CH 8

TB2

CH 4

CH 7

CH 5

DC-

RTN DC+

TB3

CH. I/O STATUS

ETHERNET

DFT

RUN

TB2

TB4

(PLUG-INTYPE)

TERMINALBLOCKS

RJ45ETHERNET

CONNECTOR

ETHERNETACTIVITY

LED(YELLOW)AND

LINK LED (GREEN)

I/OLED's(YELLOW)-

ON WHENOUTPUTS ARE

CONDUCTINGORINPUTS

ARE ASSERTED LOW.

Acromag

RUN/PWRLED(GREEN)

DIGITAL IN or OUT

PWR

REMOVABLE

RESET/DEFADDRESS

TOGGLE SWITCH:

TOGGLE RIGHTTORESET

TOGGLE LEFTTOSET

DEFAULTADDRESS

MODULE STATUS

LED(YELLOW)

DIGITAL IN or OUT

Model 983EN-4012 Shown

(981EN-4012& 982EN-4012Similar)

DIGITAL IN or OUT

The toggle switch is used to toggle the module into or out of Default Mode

(toggle left), or to reset the module (toggle right). In Default Communication

Mode, the yellow ST LED blinks slowly and the module assumes a fixed

static IP address of “128.1.1.100”, a default subnet mask of “255.255.255.0”,

a default username of “User”, and a default password of “password00”.

MOUNTING AND

DIMENSIONS

Unit mounts to “T” type DIN

rails (35mm, type EN50022).

Units may be mounted side-

by-side on 1-inch centers.

WARNING: IEC Safety

Standards may require that

this device be mounted within

an approved metal enclosure

or sub-system, particularly for

applications with exposure to

voltages greater than or equal

to 75VDC or 50VAC.

CONTROLS &

INDICATORS

Green Run LED is ON if power

is on and will blink in “wink” ID

mode.

Yellow ST LED blinks ON/OFF

slowly if module is in default

communication mode and

blinks rapidly if a watchdog

timeout has occurred.

Yellow I/O LED’s turn ON if

corresponding output switch is

closed, or input asserted low.

Green LINK LED ON if auto-

negotiation has successfully

established a connection.

Yellow ACT LED signals PHY

network Activity (busy).

ISOLATION BARRIERS

Dashed Lines denote isolation

barriers.

The I/O circuit, network, and

power circuit are isolated from

each other for safety and noise

immunity.

44 41 33

PWR

NETWORK

CH 1

RTN

21 24

CH 6

TB3

TB1

CH10

EXC3

EXC2

GND

46 4345

DC-

DC+

32 31

TB1

11 1412

CH 2

CH 0

TB2

2215

CH 4

CH 3

5V/3V

TB4

25 2623

CH 7

CH 5

RTN

PWR

EXC1 RTN

CH 9

CH11

TB2

CH 8

DIGITAL I/O

DIGITAL IN or OUT

DIGITAL I/O

DIGITAL IN or OUT

DIGITAL I/O

DIGITAL IN or OUT

TRANSFORMER

TB3

981/982/983EN

ISOLATION

DIAGRAM

TRANSFORMER

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

__________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

TB1

TB4

CH. I/O STATUS

5 6

1 2

C H 7

3 4 5 6 7 8 2 3

7 6

5 6

C H 1

4 3

C H 9

E TH ER NE T

A C T

Acromag

EXC+

RTN

RTN EXC+

TB2

EXC+

RTN

TB3

LINK

DFTRS T

RUN

RESISTOR

NETWORK

1 4

C H 3C H 2

C H 5C H 4

8 5

C H 10C H 11

C H 0

C H 8

PORT1 PORT0

R11

PORT2

USE SMALLSCREW DRIVER

TO PRY OFFSIDE COVER.

COVER IS HELD IN PLACE

WITH EIGHTSNAP PINS.

BASEBOARD

SOCKET

BOURNS4308H-102-562

OREQUIVALENT

WHEN REPLACING COVER,

ALIGN ALL PINS, THEN SNAP

TOGETHER IN SEQUENCE

TO SECURE COVER.

C H 6

PLUG-INI/OBOARD

(TurnedFaceUp)

CAREFULLY SEPARATE

I/OBOARD FROMBASE

BOARD.

PORT1

(CH4-7)

PORT0

(CH0-3)

PORT2

(CH8-11)

CAUTION: HANDLECIRCUIT

USINGESD-SAFEPROCEDURES.

981EN/982EN/983EN SHOWN

WITHSIDECOVERREMOVED

ANDI/OBOARDSEPARATED

PULLUPSARELOCATEDINSOCKETS

ONPLUG-IN I/OBOARD ASSHOWNHERE

5.6K x4ISOLATED

0.5W RESISTORS SERIES 981PB/982PB/983EN SIP

PULLUP RESISTOR SOCKET LOCATION

EACH PORTHAS A SIP RESISTOR

LOCATED AS SHOWN ATRIGHT.

SIP RESISTORS PULL-UP THE I/O

CHANNEL TO THE EXC SUPPLY.

SIPS ARE INSTALLED IN SOCKETS

X1, X2, AND X3.

PORT0SIP =R2INSTALLED IN X1

PORT1SIP =R7INSTALLED IN X2

PORT2SIP = R11 INSTALLED IN X3

THE SIP IS AN ISOLATED RESISTOR

NETWORK OF4ELEMENTS.

FACTORY SIP VALUE IS 5.6K OHMS.

POWER IS 0.5W PER ELEMENT.

THE EVEN-NUMBERED PINS OF

THE SOCKETS ARE TIED TO THE

PORTEXCITATION TERMINAL.

WHEN REPLACING SIPS OR

CHANGING VALUES, WATCH

THATPOWER DISSIPATION

DOES NOTEXCEED SIP RATING.

45 44 42 41 33

DC+

12 13 15 16 21 23 24 26

TB1

GND

46 43

P W R

DC-

11 14 22

TB4

TB3TB3

PUSH

TB2

"T"TYPE

DINRAIL

PUSH SCREWDRIVER AS SHOWN

TO TILTAND LIFTMODULE OFFRAIL

Remove TerminalBlocksOnThis

SideToProvideClearance

Any Series9XXEN EthernetModule

MODULE REMOVAL

FROM DIN RAIL

PRY WITH SCREWDRIVER

INSERTED IN SLOTHERE

(DO NOTTWISTTOAVOID

DAMAGINGPLASTIC TAB)

USE YOUR FINGER TO APPLY

DOWNWARD PRESSURE HERE

AS YOU LIFTAND TILTMODULE

TOREMOVE ITFROMRAIL

To Remove or Replace Factory Pullup Resistors…

Locate pullup resistor SIP’s installed in sockets of plug-in I/O board as

shown above. You must remove the right side cover and separate the two

boards to remove or install these resistors. 5.6K resistor SIP’s are installed

from the factory. Remove these resistors if I/O channels are pulled up

externally. Limit power in each SIP resistor to less than 0.5W.

When attaching the module to the

T-type DIN rail, angle the top of the

unit towards the rail and locate the

top groove of the adapter over the

upper lip of the rail. Firmly push the

unit towards the rail until it snaps into

place. To remove, first separate the

input terminal block(s) from the

bottom side of the module to create a

clearance to the DIN mounting area.

Next, while holding the module in

place from above, insert a

screwdriver into the lower arm of the

DIN rail connector and use it as a

lever to force the connector down

until the unit disengages from the rail

(do not twist the screwdriver to avoid

damaging plastic).

I/O PULLUP

RESISTOR

INSTALLATION

You must connect excitation

and/or install pull-ups for

proper I/O operation. I/O

terminals must not be left

floating.

5.6KΩ I/O pull-up resistors are

already installed from the

factory. You do not need to

refer to this information unless

you need to change or remove

these resistors.

If your application delivers

power to the I/O terminals

rather than the excitation

terminal, the internal pull-ups

should be removed to avoid

coupling current into adjacent

port channels.

CONNECTIONS

DIN-Rail

Mounting & Removal

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

___________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

100M

CLIP

CABLE

10Base-T CAT 5 UTP/STP

Not Used

Receive -

Receive +

RJ-45CONNECTOR

SPEED

DISTANCE

Transmit -

Transmit +

MDI-X WIRING

100Base-T CAT 3, CAT 4, orCAT 5 UTP/STP

NoteCrossoverConnections

MINIMUMRECOMMENDEDCABLE

Not Used

Transmit -

Transmit + ETHERNET PORT

RJ45MDI ANDMDI-X CONNECTIONS

Receive-

Receive+

MDI WIRING

The Ethernet port of this module is wired MDI and does not include

automatic crossover. The Ethernet port of your PC is also wired MDI and

may not include automatic crossover. As such, you must use a crossover

cable like that shown below when connecting this device directly to a PC.

281

PINS: 1TO 3

2TO6

3TO1

6TO2

RJ45(ClipSideDown) RJ45(ClipSideDown)

FOR DIRECTPC TO

ETHERNETMODULE

CONNECTIONS

CROSSOVER CABLE

FOR MDI TO MDI

OR MDI-X TO MDI-X CROSSOVER

CONNECTIONS

Network

For 100Base-TX systems, at a

minimum, use data grade

Unshielded Twisted-Pair

(UTP) wiring that has a 100Ω

characteristic impedance and

meets the EIA/TIA Category 5

wire specifications.

It is recommended that you

use a crossover CAT-5 cable

to connect this device to your

PC.

For 10Base-T systems, you

may use Category 3, Category

4, or Category 5/5E UTP/STP

cable.

In either case, you are limited

to 100 meters between any

two devices.

A crossover cable simply

connects the differential

transmit pair on each end, to

the receive pair on the

opposite end.

Use a standard (direct) cable

when connecting to a hub or

switch port, which are

generally wired MDI-X.

910

5 6

1 2

CH. I/O STATUS

ACT

RUN

ETHERNET

Acromag

LINK

HOSTPC

(UseCrossover Cable)

CAT-5UTPCABLE

UPTO100METERS

Order Acromag CableModel 5035-360

Note:ThisMDI-to-MDIconnectionrequirestheuseofacrossover cable.

HOSTPCCONNECTEDDIRECTLYTOAMODULE Acromag 983EN-4012

EthernetModule.

Theethernetportofthis

moduleisnotautomatic

MDI/MDI-Xcrossover

andiswiredMDI.

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

__________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

Refer to the Accessory Cables section at the back of this manual for more

information on accessory cables including patch and crossover cables

available from Acromag and other vendors.

TIP: You can significantly enhance the EMI/RFI performance of your

network connections by using Category 5E STP cable (Shielded Twisted

Pair) with shielded RJ45 plug connectors. This will also help to protect your

installation from damage due to ESD (Electro-Static Discharge). The use of

shielded cable is strongly recommended for installations in harsh industrial

environments and/or in the presence of strong electrical fields.

You can use an Ethernet switch or switching hub to build a network of

Ethernet modules, similar to that shown below. This drawing shows how to

network-connect these modules to a 5-port Ethernet switch (Acromag Model

900EN-S005). Note that the 900EN-S005 switch includes automatic

MDI/MDI-X crossover and straight-through or crossover cable(s) may be

used, but it is generally not good practice to use crossover cables when

connecting to an auto-crossing switch.

Power

✓

Connect 15-36V DC to the power terminals labeled DC+ & DC-. Observe

proper polarity. For supply connections, use No. 14 AWG wires rated for at

least 75C. CAUTION: Do not exceed 36VDC peak.

CAUTION: Risk of Electric Shock –More than one disconnect switch may

be required to de-energize equipment before servicing.

CONNECTIONS

Network

Voltage

Current

15VDC

123mA

18VDC

106mA

24VDC

80mA

36VDC

59mA

S1 S2

DC-

DC+

109

21 3

2 3

100M

LK /

X3 X4

TB 3

CH. I / O STATUS

ACT

CH. I / O STATUS

RUN

GND

DC+

RUN

LI NK

DARS

LI NK

911

LI NK

RUN

COL

ACT

X1 X2

PG M

PO RT

PUSH

RESET

ACT

ETHERNET

Ac ro m a g

CH. I / O STATUS

PO WER

RUN

ETHERNET

SWI TCH

Ac ro m a g

ETHERNET

Ac ro m a g

ETHERNET

Ac ro m a g

HOSTPC

Acromag9xxEN-4012

Ethernet Modules.

Theethernetportofthese

modules arenotautomatic

MDI/MDI-X crossover, but

theuseofanauto-crossing

switcheliminatestheneed

tomakeadistinctionbetween

straight-throughandcrossover

cables.

(Straight-ThroughorCrossoverCable)

CAT-5UTP CABLE

UP TO 100METERS

(Straight-ThroughorCrossoverCable)

OrderAcromagCableModel 5035-355

CAT-5UTP CABLE

UP TO 100METERS

ETHERNET

SWITCH

DI P SW S1/ S2

CFG O PTI O NS

CAT-5UTP CABLE

UP TO 100METERS

(Straight-ThroughorCrossoverCable)

CAT-5UTP CABLE

UP TO 100METERS

CAT-5UTP CABLE

UP TO 100METERS

TheethernetportofthePCis

generallynotautomaticMDI/MDI-X

crossoverandiswiredMDI.

BecausetheAcromagethernet switch

900EN-S005is automaticMDI/MDI-X

crossover, useof adirect(straight-through)

orcrossovercableispermissible.

IMPORTANT: IFTHE HOSTPC CONNECTS DIRECTLY TOTHE MODULE,

YOU MUSTUSE A CROSS-CONNECTCABLE (MDI-X), AS BOTH THE PC

ANDTHE 9XXEN MODULE ETHERNETPORTS ARE WIREDMDI.

ETHERNETSWITCHES ANDHUBS ARE WIREDMDI-X.

THE ACROMAGETHERNETSWITCHIS AUTOMATICMDI/MDI-X AND

ELIMINATES THE NEEDFORMAKINGA DISTINCTION BETWEEN

THE USE OFSTRAIGHT-THROUGH (MDI)AND CROSSOVER(MDI-X)

CABLE CONNECTIONS.

Acromag900EN-S005

5-PortEthernetSwitch

orequivalent.

Theethernetportsofthis

switchareautomatic MDI/MDI-X

crossinganddonot require

crossovercables.

USE OF AN ETHERNET SWITCH TO NETWORK

A HOST PC TO MORE THAN ONE MODULE

Acromag offers a straight-through patch cable (Model 5035-355), or a

crossover cable (Model 5035-360) for use with Series 9xxEN modules.

TB3

PWR

GND

DC+

EARTH

GROUND

15 TO 36VDC

DC-

TB3 INPUT POWER

IS ISOLATED

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

___________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

5.6K

ROFF(0)

+5V

ON(1)

I/O

100K

ON(1)

RTN

I/O

EXC

TO OTHER 3

CHAN OF PORT

5.6K

100K

ON(1) R

ON(1)

OFF(0)

SIP RESISTOR

INSTALLED

IN SOCKET

TVS

(48V)

EXC

(Active-LOW)

+5V

RTN

(Active-LOW)

TO OTHER 3

CHAN OF PORT

LED

OFF(0)

SIP RESISTOR

INSTALLED

IN SOCKET

TVS

(48V) ON(1) OFF(0) CH

LED

SIMPLIFIED983PBCHANNEL(TandemInput/Output)

SIMPLIFIED981PBCHANNEL(InputOnly)

IMPORTANT –External Fuse: If unit is powered from a supply capable of

delivering more than 1A to the unit, it is recommended that this current be

limited via a high surge tolerant fuse rated for a maximum current of 1A or

less (for example, see Bel Fuse MJS1).

✓Connect digital input signals to the input terminals (see figures below):

RTN

15 13 12

TB1

+5V

14 11

EXC

5.6K

100K

DIGITAL IN or OUT

CH03

CH01

CH00

OPEN

COLLECTOR

OR DRAIN

TB1

CH02

+5V

983EN SIMPLIFIED INTERNAL I/O

CONNECTIONS (ONE CHANNEL)

LOW-SIDE

SWITCH

PULLUP

(IN SOCKET)

SHIELDED CABLE

DIGITAL INPUT CONNECTIONS

Refer to the examples below for examples of other types of input

connections.

I/O R

RTN

100K

N.O. 983EN

ONLY

+5V

EXC 5.6K

OTHERTHREE

CHANOFPORT

CH LEDIS ON FOR

ACTIVE-LOW INPUT

ON983ENUNITS, MAKE

SURE OUTPUT IS OFF

(0) FORINPUT ONLY

APPLICATIONS.

SIP INSTALLED

981EN& 983EN

DRY-CONTACT RELAYCONNECTIONS-NORMALLY OPEN

ADJUST VOLTAGE (V) AS

REQUIREDTO CHANGE

EXCITATIONCURRENT( I)

ORCHANGE SIP RESISTOR

VALUE.

CONNECTIONS

Digital Inputs

(981EN & 983EN Only)

Inputs are active-low.

Input threshold is TTL

compatible.

Limit Input Voltages to

35V maximum.

Note: Do not allow EXC or

unused inputs to float. If pull-

ups are installed, this will

cause one I/O signal to pull the

other floating port channels via

the pull-ups and common EXC

lead connection.

Normally Open Dry Contact

Relay.

Normally Closed Dry Contact

Relay.

V I/O

N.C. +5V

EXC

100K

RTN

983PB

ONLY

OTHERTHREE

CHANOFPORT

5.6K

ADJUST VOLTAGE (V) AS

REQUIREDTO CHANGE

EXCITATIONCURRENT( I)

ORCHANGE SIP RESISTOR

VALUE.

CHLEDIS ON FOR

ACTIVE-LOW INPUT

ON983ENUNITS, MAKE

SURE OUTPUT IS OFF

(0) FOR INPUT ONLY

APPLICATIONS.

SIP INSTALLED

981EN& 983EN

DRY-CONTACT RELAYCONNECTIONS -NORMALLY CLOSED

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

__________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

✓Connect digital outputs to the output terminals. Refer to figures below:

IMPORTANT –Add Protection With Inductive Loads: Outputs already

include internal reverse-bias shunt diodes to help protect the output switch

from damage due to the high reverse-bias voltages generated when

switching inductive loads. You should add external protection near the

inductive load to prevent these transients from being sent along the

connection wires. Place a diode (1N4006 or equivalent) across an inductive

load with the cathode to (+) and the anode to (-).

Refer to the examples below for other types of output connections.

CONNECTIONS

Digital Inputs

(981EN & 983EN Only)

Digital TTL Logic Monitor

Note: Do not allow EXC or

unused inputs to float. If pull-

ups are installed, this will

cause one I/O signal to pull the

other floating port channels via

the pull-ups and common EXC

lead connection.

Digital Outputs

(982EN & 983EN Only)

Outputs are the open-drains of

DMOS mosfet switches for DC

current-sinking applications

only.

Outputs turn OFF (open)

following a software or power-

on reset of the module.

CONNECTIONS

Digital Outputs

(982EN & 983EN Only)

Examples:

-Solid-State Relay (SSR) or

LED Driver

-Relay Coil or Solenoid Driver

(Note Protection).

-Lamp Driver.

ON (1)

5.6K

EXC

+5V

OFF(0)

RTN

OFF(0) TVS

(48V)

100K

ON (1)

LED

I/O

LED

OFF(0)

EXC

ON (1)

5.6K

OFF(0)

RTN

OFF(0) TVS

(48V)

SIPRESISTOR

INSTALLED

IN SOCKET

ON (1)

I/O

(Active-LOW)

TOOTHER 3

CHAN OFPORT

(Active-LOW)

TOOTHER 3

CHAN OFPORT

SIPRESISTOR

INSTALLED

IN SOCKET

SIMPLIFIED 983EN CHANNEL (Tandem Input/Output)

SIMPLIFIED 982EN CHANNEL (Output Only)

100K

5.6K

LOAD/LINE

LED ON

+5V

RTN

982EN/983EN

OFF

I/O

(N.O.)

SSR

EXC

LOAD/LINE

OFF

TOOTHER3

CHANOFPORT

983EN

SIP RESISTOR

INSTALLED

INSOCKET

SOLID-STATERELAY(SSR)ORLEDDRIVER

LIM

RTN

5.6K

983EN

100K OFF

OFF

I/O

EXC

TOOTHER3

CHANOFPORT

OFF

+5V

RLIMIS INCLUDED TO

PROTECTDRIVERIF

TANDEMOUTPUTIS

INADVERTANTLY

TURNED ON.

SIP RESISTOR

INSTALLED

INSOCKET

981ENor 983EN

ON983EN, KEEP OUTPUTS TURNEDOFF

TO MONITOREXTERNALLOGICSIGNAL

LOGIC(TTL)MONITOR(981EN&983ENONLY)

BON

OUT3

OUT2

OUT1

CH03

CH02

CH00

EXC +5V

0-35V D

OUT0

TB1

RTN

CH01

TB1

DIGITAL IN orOUT

SHIELDEDCABLE

OFF

0-35V

OUTPUTSRATED

TO35V/500mADC

EARTHGROUND

5.6K

100K

FORGREATEROUTPUTDRIVE,

CONNECTANINTERPOSINGRELAY

INTERNALOUTPUT

PULLUPSAREOPEN

OPEN-DRAINOUTPUTS

SHARERETURN

PULLUP

(INSOCKET)

983ENSIMPLIFIEDINTERNALI/O

CONNECTIONS(ONECHANNEL)

DIGITALOUTPUTCONNECTIONS

POSSIBLEVARIATIONS- CURRENTSINKINGDCAPPLICATIONSONLY

BusWorks® 981/982/983EN Module User’s Manual Modbus TCP/IP Digital I/O

___________________________________________________________________

Acromag, Inc. Tel:248-295-0880 Fax:248-624-9234 Email:[email protected] ttp://www.acromag.com

Note: Per UL, when the outputs are used to control interposing relays for

switching AC and DC devices of higher voltage/current, the coil ratings for

the interposing relay shall not exceed 24VDC, 100mA.

✓Connect Earth Ground as shown in the connection drawings above.

Additionally, connect the GND terminal (TB3-33) to earth ground.

The ground connections noted are recommended for best results. If

sensors are already grounded, use caution and avoid making additional

ground connections which could create ground loops.

The plastic module housing does not require earth ground.

Earth Ground

Warning: To comply with

safety and performance

standards, use shielded cable

and connect earth ground as

noted. Failure to use good

wiring and grounding practices

may be unsafe and hurt

performance.

+5V

RTN

5.6K

100K OFF

983EN

I/O

EXC

TOOTHER3

CHANOFPORT

OFF

5-35V

1N4006

RELAYCOIL/SOLENOIDDRIVER

SIP RESISTOR

INSTALLED

INSOCKET

982EN/983EN

100K

5.6K

OFF

5-35V I/O

EXC

OFF

+5V

983EN

SIP RESISTOR

INSTALLED

INSOCKET

RTN

982EN/983EN

TOOTHER3

CHANOFPORT

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