Modbus questions & answers - Control Systems Application and Knowledge Store

1

answer

0

votes

279

views

m2m power meter interfaced with a ac500 plc

Asked 4 years ago by MTHOBISI Rank: 1709

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

2

answers

4

votes

308

views

ABB 800xA 5.1 not read 32 bit data length modbus data comes from ABB VFD ACS850

Asked 4 years ago by saagar_khr Rank: 2339

DCS in general > Communication > Modbus, 800xA > AC 800M, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives

2

answers

2

votes

1195

views

Is it possible to directly monitor a boolean bit within an integer?

Asked 4 years ago by SamAI Rank: 1317

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

2

answers

4

votes

1489

views

Is it possible to have multimaster configuration in Modbus TCP/IP

Asked 4 years ago by gurwinder Rank: 1192

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

1

answer

0

votes

241

views

How to control CI522 via labview?

Asked 4 years ago by nir.z Rank: 6843

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

2

answers

1

votes

209

views

Modbus through Ac450 or Using OPC Server

Asked 4 years ago by mzsaABB Rank: 2911

DCS in general > Communication > Modbus, DCS in general > Communication > OPC, 800xA > Connectivities > 3rd party connectivity > _Other, 800xA, Legacy DCS > Advant Master > Controllers > Advant Controller 450

1

answer

0

votes

104

views

Can you remember what changes you performed in the PLC Case with Modbus TCP? I saw your answer about it

Asked 4 years ago by mscarillo Rank: 253

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Control systems > PLCs, 800xA > Connectivities > 3rd party connectivity > PLC Connect, PLC Automation > _Other

2

answers

1

votes

247

views

modbus mbconnect block not valid showing status -4912 ,fail to create master objec

Asked 4 years ago by neodss Rank: 3109

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

1

answer

0

votes

165

views

PhMODBUS: UnpackTelegram: Exception response from slave!! See the Data in below line

Asked 4 years ago by quangbv.ctrl Rank: 1702

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

3

answers

0

votes

456

views

Remote modbus TCP/IP module

Commented 1 year ago by umarv4241 Rank: 5550

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

5

answers

5

votes

897

views

800m modbus communication

Asked 4 years ago by susheelkrjain Rank: 700

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

1

answer

0

votes

498

views

AC800m Modbus TCP Help

Asked 4 years ago by rudrabasak Rank: 902

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

2

answers

4

votes

555

views

Freelance AC900F MODTCP_M Fatal error & Error code

Asked 4 years ago by Martinus Cinovasi Rank: 364

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

2

answers

1

votes

186

views

ModBus connection in AC800F

Asked 4 years ago by moji Rank: 148

DCS in general > Communication > Modbus, DCS in general > Software > Licensing, 800xA > System > Administration & configuration > Licensing, Freelance > Controllers > AC 800F, Freelance > System > Licensing

1

answer

2

votes

126

views

baud rate of modbus in ac800f

Asked 4 years ago by anam Rank: 1057

DCS in general > Communication > Modbus > Modbus RTU, Freelance > Controllers > AC 800F

2

answers

0

votes

148

views

Ktstoilove, Pratik... went through your recommendation but still facing the same problem..

Asked 5 years ago by Sally Rank: 605

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

1

answer

1

votes

248

views

modbus not working. it's giving erroneous value.

Asked 5 years ago by Sally Rank: 605

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

2

answers

1

votes

206

views

Hi friends! Need some advice on AC500 Modbus communication..

Asked 5 years ago by Sally Rank: 605

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

1

answer

0

votes

2113

views

modbus s7-1200 - to ACS580 inverter

Asked 5 years ago by Mnajgebaur Rank: 3015

DCS in general > Communication > Modbus > Modbus RTU, Drives > DC drives fieldbus adapter > MotiFlex > OPT-FB-003 - Modbus RTU, Drives

2

answers

0

votes

804

views

AC800M Modbus TCP Slave ID issue

Asked 5 years ago by SamAI Rank: 1317

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

1

answer

1

votes

1140

views

Regarding %MW address problem in AC500

Asked 5 years ago by rajshasthri Rank: 1183

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

2

answers

1

votes

203

views

1 AC500 as modbus master and 3 follower

Asked 5 years ago by Sally Rank: 605

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

1

answer

0

votes

186

views

Modbus Error 10035 and 10052

Asked 5 years ago by Snoddas16 Rank: 2112

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

1

answer

0

votes

330

views

Can we get a detailed description of how to configure the ACS800 as Modbus RTU slave in version 6.0 CCB?

Asked 5 years ago by Niklas Nordin Rank: 1696

DCS in general > Communication > Modbus, 800xA > AC 800M, Compact Product Suite > Engineering > Compact Control Builder, Drives > DC drives fieldbus adapter > Modbus/ Modbus Plus adapter, Drives

1

answer

1

votes

488

views

CI853 MBRead and MBWrite Error code -5

Asked 5 years ago by buianhtuan Rank: 553

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

1

answer

0

votes

1366

views

How to Configure the PM573 PLC to Intouch SCADA Communication

Asked 5 years ago by Balamurugan Rank: 2185

DCS in general > Communication > Modbus, DCS in general > Communication > OPC, 800xA > Connectivities > 3rd party connectivity > _Other, PLC Automation > AC500, PLC Automation > Supervisory software > DigiVis 500

1

answer

1

votes

353

views

Address to read Holding Registers

Commented 3 months ago by veerendrap Rank: 1484

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

1

answer

2

votes

231

views

CI853 as slave in 800xA Version 6 (the text error so i attached file)

Asked 5 years ago by buianhtuan Rank: 553

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

1

answer

1

votes

375

views

CI867 connecting access variables to MBTCPWrite/Read blocks using real data

Asked 5 years ago by buller Rank: 1441

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

1

answer

1

votes

383

views

Modbus address detecting problem

Asked 5 years ago by rajshasthri Rank: 1183

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

0

answers

0

votes

99

views

Modbus communication not working after firmware downgrade

Asked 3 years ago by jiqbalsa Rank: 2337

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

4

answers

1

votes

672

views

Modbus TCP Cannot Read Coil

Asked 5 years ago by rjf Rank: 544

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

1

answer

0

votes

244

views

modbus connection of AC800M controller to AC110 and about 7s delay in receive and send signals

Asked 5 years ago by takabi Rank: 320

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

1

answer

0

votes

567

views

MB300 Communication between AC800M and AC410 with CI855

Asked 5 years ago by JeromeRiga Rank: 1654

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

2

answers

0

votes

454

views

How

Asked 5 years ago by aut0m8n Rank: 4362

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

1

answer

0

votes

399

views

ModBusSlave Library for the AC800M

Asked 5 years ago by fralgri Rank: 2830

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

1

answer

4

votes

913

views

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

Asked 5 years ago by beddem Rank: 6814

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

1

answer

0

votes

235

views

Communication between CI853 to modbus simulator configuration

Asked 5 years ago by praburajk83 Rank: 3005

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

361

views

CM577 Modbus Communication

Asked 5 years ago by johnsurin Rank: 2292

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

996

views

AC500 Modbus TCP No of Socket

Asked 5 years ago by Vijayaram J Rank: 80

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

1

answer

2

votes

202

views

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

Asked 5 years ago by IngenieroOC Rank: 5333

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

1

answer

1

votes

377

views

MBconnect Function Block Communication Error: code -19

Asked 5 years ago by Jean Michel Rank: 199

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

5

answers

5

votes

1598

views

Modbus RTU over TCP

Asked 5 years ago by insen1 Rank: 957

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

183

views

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

Asked 5 years ago by ToreWassen Rank: 74

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

4

answers

1

votes

689

views

AC800M - Modbus communication

Asked 5 years ago by himanshu Rank: 250

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

1

answer

0

votes

339

views

AC800M, 64 bit float point arithmetic

Asked 5 years ago by ivan.kana Rank: 2908

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

1

answer

0

votes

360

views

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

Asked 5 years ago by rajsek474 Rank: 226

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

3

answers

9

votes

410

views

double word variable

Asked 5 years ago by rajsek474 Rank: 226

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

1

answer

1

votes

417

views

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

Asked 5 years ago by rajsek474 Rank: 226

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

3

answers

4

votes

5371

views

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

Commented 8 months ago by akhraszaid Rank: 194

DCS in general > Communication > Modbus

AKS experts