Modbus questions & answers - Control Systems Application and Knowledge Store

2

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437

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How

Asked 4 years ago by aut0m8n Rank: 4053

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

1

answer

0

votes

395

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ModBusSlave Library for the AC800M

Asked 4 years ago by fralgri Rank: 2653

DCS in general > Communication > Modbus, DCS in general > Communication, 800xA > AC 800M, Legacy DCS > Advant Master > Controllers > Advant Controller 70

1

answer

4

votes

828

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hi,I see error 12291 error when I configurate modbus rtu in AC500 with com_mod_mast how can I solve this problem?

Asked 4 years ago by beddem Rank: 6333

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

1

answer

0

votes

223

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Communication between CI853 to modbus simulator configuration

Asked 4 years ago by praburajk83 Rank: 2822

DCS in general > Communication > Modbus, DCS in general > Software > Configuration, 800xA > AC 800M > CI modules (other), 800xA > System > Administration & configuration > Configuration

2

answers

1

votes

339

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CM577 Modbus Communication

Asked 4 years ago by johnsurin Rank: 2149

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

4

answers

0

votes

902

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AC500 Modbus TCP No of Socket

Asked 4 years ago by Vijayaram J Rank: 77

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

1

answer

2

votes

199

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Hi, I want to configure a modbus network in plc AC700. Is there a manual for that?

Asked 4 years ago by IngenieroOC Rank: 4954

DCS in general > Communication > Modbus > Modbus TCP, Freelance > Controllers > AC 700F

1

answer

1

votes

360

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MBconnect Function Block Communication Error: code -19

Asked 4 years ago by Jean Michel Rank: 209

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

5

answers

5

votes

1380

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Modbus RTU over TCP

Asked 4 years ago by insen1 Rank: 914

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

2

answers

5

votes

180

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Hello, I have problem MODUS TCP in a AC900F. I get fatal error 1000 0101 on the front.

Asked 4 years ago by ToreWassen Rank: 75

DCS in general > Communication > Modbus > Modbus TCP, Freelance > Controllers > AC 900F

4

answers

1

votes

676

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AC800M - Modbus communication

Asked 4 years ago by himanshu Rank: 272

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

1

answer

0

votes

325

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AC800M, 64 bit float point arithmetic

Asked 4 years ago by ivan.kana Rank: 2725

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

1

answer

0

votes

347

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Send a String to an Operator Panel with Modbus Protocol (Modbus RTU and Modbus TCP)?

Asked 4 years ago by rajsek474 Rank: 213

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

3

answers

9

votes

388

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double word variable

Asked 4 years ago by rajsek474 Rank: 213

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

1

answer

1

votes

411

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mobus communication between ABB PLC with CI853 and SIEMENS PLC with CP341

Asked 4 years ago by rajsek474 Rank: 213

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

3

answers

4

votes

4773

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How can i transfer REAL numbers for example the value "5.32" through Modbus RTU ?

Commented 2 months ago by akhraszaid Rank: 193

DCS in general > Communication > Modbus

2

answers

1

votes

1841

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Modbus TCP/IP read 32 bit value

Asked 4 years ago by mshahabahmad Rank: 768

DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

201

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DCP 10 and Modbus TCP

Asked 4 years ago by aremp Rank: 1121

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, Freelance > Controllers > Rack controllers > DCP 10

3

answers

12

votes

236

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Communciation between PM573 with CP676 using Modbus TCP/IP

Asked 4 years ago by farhan0903 Rank: 4516

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500, PLC Automation > Control panels

1

answer

1

votes

177

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How to configure PM 554 as Modbus Slave RTU

Asked 4 years ago by SP Rank: 3524

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

3

answers

12

votes

1364

views

AC500 ETH_MOD_MAST - how to close connection

Asked 4 years ago by adi2 Rank: 215

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

1

answer

0

votes

94

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Please respond to this query in link below if possible.

Asked 4 years ago by mshahabahmad Rank: 768

DCS in general > Communication > Modbus > Modbus TCP

1

answer

3

votes

833

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Read data from Modbus slaves with CI867

Asked 4 years ago by kicken Rank: 1187

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

1

answer

3

votes

144

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Disable modbus fucntion 08 on CI853

Asked 4 years ago by vimamoto Rank: 4048

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

1

answer

0

votes

316

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Redundant ModBus TCP on AC900F

Asked 4 years ago by eamati Rank: 1274

DCS in general > Communication > Modbus > Modbus TCP, Freelance > Controllers > AC 900F, Safety Systems > AC 800M High Integrity

1

answer

4

votes

175

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TCP communication failure

Asked 4 years ago by Adul469 Rank: 815

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

1

answer

0

votes

201

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

Asked 4 years ago by SEONDEOK Rank: 4935

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

2

answers

3

votes

506

views

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: 3299

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

1

answer

1

votes

1290

views

CI867 Modbus TCP/IP slave

Asked 4 years ago by pauly25 Rank: 877

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

1

answer

2

votes

497

views

Address syntax in Access Variables corresponding to Modbus address

Asked 4 years ago by pauly25 Rank: 877

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

1

answer

1

votes

937

views

CI867 as Modbus TCP slave

Asked 4 years ago by pauly25 Rank: 877

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

4

answers

2

votes

829

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MODBUS communication status code: -7006

Asked 4 years ago by tim00 Rank: 749

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

4

answers

7

votes

488

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MBTCPRead can not read data from Slave

Asked 4 years ago by tim00 Rank: 749

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

2

answers

0

votes

387

views

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

Asked 4 years ago by hvt1602 Rank: 483

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

3

answers

6

votes

829

views

Modbus serial slave card for AC800M

Asked 4 years ago by hruday_43 Rank: 729

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

309

views

MODBUS TCPIP WITH GE PLC

Asked 4 years ago by merouane Rank: 971

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

1

answer

0

votes

406

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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: 64

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

1

answer

0

votes

813

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800xa PLC connect Modbus TCP/IP

Asked 4 years ago by kicken Rank: 1187

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

1

answer

1

votes

176

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Modbus configuration AC70 controller

Asked 4 years ago by Joby Sebastain Rank: 141

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

772

views

Modbus redundancy with COM3 of AC800M..

Asked 4 years ago by srao2010 Rank: 132

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

1

answer

0

votes

178

views

Modbus connection down -7001

Asked 4 years ago by Vijay123 Rank: 4512

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

1

answer

1

votes

883

views

need application example acs550 with s7-1200

Asked 4 years ago by tushar.c.gohel Rank: 1976

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

2

answers

0

votes

731

views

CI853 and CI867 Slave Capacity

Asked 4 years ago by carpa Rank: 4869

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

1

answer

0

votes

566

views

Add a Modbus Slave on AC450 with CI534V02?

Asked 4 years ago by jjackson8 Rank: 224

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

1197

views

how to configure com_mod_master to read a holding register?

Commented 3 months ago by Amal Rank: 302

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

1

answer

1

votes

383

views

CI867 as Slave

Asked 4 years ago by Rajeesh Mariyodan Rank: 50

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

3

answers

3

votes

2746

views

Modbus pin configuration (Serial DB9 to RJ45)

Asked 4 years ago by mshahabahmad Rank: 768

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

1

answer

0

votes

133

views

AC110 modbus connection to AC800M

Asked 4 years ago by takabi Rank: 315

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

2

answers

0

votes

374

views

modbus communication between acs355 vfd and pm554 via frsa card

Asked 4 years ago by jainson Rank: 85

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

1

answer

0

votes

123

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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: 2188

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

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