Modbus questions & answers - Control Systems Application and Knowledge Store

1

answer

0

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192

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HPG800 Modbus TCP redundancy fail, In same IP address, Hot standby.

Asked 4 years ago by SEONDEOK Rank: 4699

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Networking > Protocol > _Other, 800xA > System > Redundancy, Symphony Plus

2

answers

3

votes

474

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Does ACS355 have inbuilt RS485 functionality or there is some other way of communicating with it over modbus.

Asked 4 years ago by sunasrariyaz Rank: 3144

DCS in general > Communication > Modbus, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives

1

answer

1

votes

1178

views

CI867 Modbus TCP/IP slave

Asked 4 years ago by pauly25 Rank: 861

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP)

1

answer

2

votes

458

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Address syntax in Access Variables corresponding to Modbus address

Asked 4 years ago by pauly25 Rank: 861

DCS in general > Communication > Modbus, 800xA > AC 800M

1

answer

1

votes

817

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CI867 as Modbus TCP slave

Asked 4 years ago by pauly25 Rank: 861

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP)

4

answers

2

votes

810

views

MODBUS communication status code: -7006

Asked 4 years ago by tim00 Rank: 730

DCS in general > Communication > Modbus, DCS in general > Communication, DCS in general > Software > _Other

4

answers

7

votes

475

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MBTCPRead can not read data from Slave

Asked 4 years ago by tim00 Rank: 730

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Software > _Other, 800xA > AC 800M

2

answers

0

votes

380

views

How many PLC can connect to Compact HMI 800 via Modbus TCP/IP

Asked 4 years ago by hvt1602 Rank: 471

DCS in general > Communication > Modbus > Modbus TCP, Compact Product Suite > Operations > Compact HMI

3

answers

6

votes

820

views

Modbus serial slave card for AC800M

Asked 4 years ago by hruday_43 Rank: 712

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus, 800xA > AC 800M

2

answers

0

votes

300

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MODBUS TCPIP WITH GE PLC

Asked 4 years ago by merouane Rank: 951

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP)

1

answer

0

votes

391

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What is the best way to read a float when using plc connect modbus tcp driver

Asked 4 years ago by Ashrith N Rank: 63

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, 800xA > Connectivities > 3rd party connectivity > PLC Connect

1

answer

0

votes

787

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800xa PLC connect Modbus TCP/IP

Asked 4 years ago by kicken Rank: 1376

DCS in general > Communication > Modbus > Modbus TCP, 800xA > Connectivities > 3rd party connectivity > PLC Connect, 800xA

1

answer

1

votes

174

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Modbus configuration AC70 controller

Asked 4 years ago by Joby Sebastain Rank: 142

DCS in general > Communication > Modbus, DCS in general > Software > Configuration, 800xA > System > Administration & configuration > Configuration, Legacy DCS > Advant Master > Controllers > Advant Controller 70

10

answers

3

votes

767

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Modbus redundancy with COM3 of AC800M..

Asked 4 years ago by srao2010 Rank: 130

DCS in general > Communication > Modbus, 800xA > AC 800M

1

answer

0

votes

169

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Modbus connection down -7001

Asked 4 years ago by Vijay123 Rank: 4283

DCS in general > Communication > Modbus, DCS in general > Software > _Other, 800xA > AC 800M

1

answer

1

votes

860

views

need application example acs550 with s7-1200

Asked 4 years ago by tushar.c.gohel Rank: 1892

DCS in general > Communication > Modbus, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives

2

answers

0

votes

705

views

CI853 and CI867 Slave Capacity

Asked 4 years ago by carpa Rank: 4634

DCS in general > Communication > Modbus, 800xA > AC 800M

1

answer

0

votes

545

views

Add a Modbus Slave on AC450 with CI534V02?

Asked 4 years ago by jjackson8 Rank: 220

DCS in general > Communication > Modbus, Legacy DCS > Advant Master > Controllers > Advant Controller 450, Legacy DCS > Advant Master > Controllers > Advant Controller 450RMC, Legacy DCS > Advant Master

4

answers

1

votes

1115

views

how to configure com_mod_master to read a holding register?

Asked 4 years ago by Mr. SINISTER Rank: 3835

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500

1

answer

1

votes

369

views

CI867 as Slave

Asked 4 years ago by Rajeesh Mariyodan Rank: 51

DCS in general > Communication > Modbus, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M

3

answers

3

votes

2697

views

Modbus pin configuration (Serial DB9 to RJ45)

Asked 4 years ago by mshahabahmad Rank: 749

DCS in general > Communication > Modbus, 800xA > AC 800M

1

answer

0

votes

132

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AC110 modbus connection to AC800M

Asked 4 years ago by takabi Rank: 305

DCS in general > Communication > Modbus, 800xA > AC 800M, Legacy DCS > Advant Master > Controllers > Advant Controller 110

2

answers

0

votes

368

views

modbus communication between acs355 vfd and pm554 via frsa card

Asked 4 years ago by jainson Rank: 83

DCS in general > Communication > Modbus, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives, PLC Automation > AC500

1

answer

0

votes

122

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We have problems with AC800M ModBus connections.From time to time we lost communication.

Asked 4 years ago by Darac Rank: 2101

DCS in general > Communication > Modbus, 800xA > AC 800M

1

answer

2

votes

224

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MODBUS TCP communication between two systems

Asked 4 years ago by ToreWassen Rank: 75

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication

6

answers

3

votes

1265

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 4 years ago by aeciolevy Rank: 793

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M

2

answers

0

votes

444

views

CI867 "protocol object not found" error code: -6811

Asked 4 years ago by pali Rank: 2328

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M

9

answers

1

votes

2929

views

MODBUS. Master not able to read slave response.

Asked 4 years ago by PM860 Rank: 939

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI modules (other), 800xA > AC 800M

3

answers

2

votes

687

views

CI867 Read/Write Real data type

Asked 4 years ago by koyeap Rank: 3192

DCS in general > Communication > Modbus, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M

2

answers

0

votes

350

views

CI853 'device not found' & PM864 failure

Asked 4 years ago by mpr1nt Rank: 2261

DCS in general > Communication > Modbus, 800xA > AC 800M > CI modules (other), 800xA > AC 800M, 800xA > System > Redundancy

1

answer

1

votes

246

views

800xA Modbus TCP to Multiple Serial Slave Polling Optimization

Asked 4 years ago by Foo How Rank: 1347

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Software > Configuration, 800xA > AC 800M, 800xA > System > Administration & configuration > Configuration

1

answer

1

votes

373

views

Error Code 7011

Asked 4 years ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M

1

answer

1

votes

133

views

PR123 "Open programming session"

Asked 4 years ago by Shcoles Rank: 2474

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M

1

answer

0

votes

443

views

MVI-modbus advant controller 110 series user guide

Asked 4 years ago by takabi Rank: 305

DCS in general > Communication > Modbus, Legacy DCS > Advant Master > Controllers > Advant Controller 110, Legacy DCS > Advant Master

1

answer

2

votes

519

views

How configure Modbus TCP communication with redundant Freelance 800F

Asked 4 years ago by Alain Dubois Rank: 525

DCS in general > Communication > Modbus > Modbus TCP, 800xA > System > Redundancy, Freelance > Controllers > AC 800F

2

answers

8

votes

342

views

Hi, I want to Write/Read Some I/O with analogs between a ABB AC500 PM583 Eth PLC to Schneider M340 PLC via etherne

Asked 4 years ago by Conrad1973 Rank: 3562

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Control systems > Connectivity, 800xA > Connectivities > 3rd party connectivity, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

1

answer

0

votes

249

views

Utilizing Modbus Function 23 with AC500 controller

Asked 4 years ago by lwhouser Rank: 3189

DCS in general > Communication > Modbus > Modbus TCP, Drives > DC drives fieldbus adapter > MotiFlex > OPT-FB-005 - ModbusTCP, Drives, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

3

answers

2

votes

1175

views

Modbus ASCII on AC500

Asked 4 years ago by yavuzz Rank: 606

DCS in general > Communication > Modbus, PLC Automation > AC500, PLC Automation > Engineering > Automation Builder > CODESYS

3

answers

2

votes

521

views

Modbus Communication using Special Message Framing AC500 via Emerson Floboss

Asked 4 years ago by yavuzz Rank: 606

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, PLC Automation > AC500

11

answers

1

votes

9530

views

Slave device not responding, modbus RTU

Asked 4 years ago by PM860 Rank: 939

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M

3

answers

0

votes

329

views

ACS550 and PM9C connection via Modbus RTU problem

Asked 4 years ago by irem Rank: 483

DCS in general > Communication > Modbus, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives

1

answer

2

votes

782

views

One CI867 as Master and Slave

Asked 4 years ago by mahesh.k Rank: 1206

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Software > Configuration, 800xA > AC 800M, 800xA > System > Administration & configuration > Configuration

1

answer

0

votes

181

views

any configurations required to act as modbus tcp server

Asked 4 years ago by saikrishna7799 Rank: 255

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Software > Configuration, 800xA > AC 800M, 800xA > System > Administration & configuration > Configuration

1

answer

0

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198

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Im having ci867 with ac800m, in that ch2 is connected to HMI (which is Modbus slave),can i use ch1 as Modbus slave

Asked 4 years ago by saikrishna7799 Rank: 255

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M

2

answers

0

votes

1191

views

AC800M, PM860, MODBUS RTU

Asked 4 years ago by PM860 Rank: 939

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication, 800xA > AC 800M

1

answer

1

votes

355

views

Redundant AC900F Comunication with S7-1200

Asked 4 years ago by itron Rank: 185

DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

320

views

PM573 read data from pm9c powermeter via modbus rtu

Asked 4 years ago by irem Rank: 483

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500

2

answers

2

votes

447

views

Modbus, AC800M, PM860.

Asked 4 years ago by PM860 Rank: 939

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M

1

answer

1

votes

205

views

cp 400 modbus mapping

Asked 4 years ago by jainson Rank: 83

DCS in general > Communication > Modbus, DCS in general > Communication, PLC Automation > AC500, PLC Automation > Control panels

2

answers

3

votes

1191

views

Modbus, AC800M, PM860.

Asked 4 years ago by PM860 Rank: 939

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Software > Configuration, 800xA > AC 800M, 800xA > System > Administration & configuration > Configuration

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