Modbus RTU questions & answers - Control Systems Application and Knowledge Store

11

answers

1

votes

8484

views

Slave device not responding, modbus RTU

Asked 4 years ago by PM860 Rank: 902

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

4

answers

3

votes

2500

views

checksum error, Modbus RTU

Asked 2 years ago by dannypat Rank: 1050

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

2

answers

4

votes

752

views

Termination resistor for modbus rtu

Commented 10 months ago by arunvt1992 Rank: 662

DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

548

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 1 year ago by saurishkr Rank: 85

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

3

answers

1

votes

611

views

PM861 COM3 port pin details for RS232 communication.

Asked 1 year ago by saurishkr Rank: 85

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, 800xA > AC 800M, Freelance > Controllers > AC 800F > FI 820F (Serial)

3

answers

0

votes

615

views

AC500 Modbus RTU

Asked 1 year ago by jarrett Rank: 523

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

1

answer

2

votes

695

views

com mod mast

Asked 2 years ago by Aravind Rank: 5097

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

1

answer

0

votes

1576

views

modbus s7-1200 - to ACS580 inverter

Asked 3 years ago by Mnajgebaur Rank: 2578

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

1

answer

0

votes

618

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 2 years ago by SamTeng Rank: 5882

DCS in general > Communication > Modbus > Modbus RTU, Drives > AC drives > ACS800 series, PLC Automation > AC500

3

answers

0

votes

390

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 1 year ago by saurishkr Rank: 85

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > AC500-eCo, PLC Automation > Engineering > Automation Builder > CODESYS, PLC Automation > Engineering > Automation Builder

3

answers

2

votes

341

views

Modbus Communication with Schneider MFM

Answered 4 months ago by rajul1230 Rank: 641

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

1

answer

1

votes

316

views

CI853 as Modbus RTU Master

Asked 1 year ago by Amit Rupani Rank: 155

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA > AC 800M, 800xA

3

answers

0

votes

433

views

Addressing in PM564 eth for reading Integer values

Asked 1 year ago by saurishkr Rank: 85

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

1

answer

4

votes

625

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 3 years ago by beddem Rank: 5633

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

9

answers

1

votes

2807

views

MODBUS. Master not able to read slave response.

Asked 4 years ago by PM860 Rank: 902

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

4

answers

1

votes

1036

views

how to configure com_mod_master to read a holding register?

Asked 4 years ago by Mr. SINISTER Rank: 3606

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

2

answers

3

votes

1092

views

Modbus, AC800M, PM860.

Asked 4 years ago by PM860 Rank: 902

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

2

answers

4

votes

176

views

Multi function meter looping

Asked 1 year ago by saffu Rank: 2963

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

5

answers

0

votes

194

views

Problem about Modbus communication between AC800M PM856 COM3 and RS485 2 WIRE

Answered 7 months ago by Kevin.zhu Rank: 2508

800xA > AC 800M > Processor modules > PM85x, DCS in general > Communication > Modbus > Modbus RTU

1

answer

2

votes

580

views

Configuration settings required in RTU540 for IEC101,IEC104,Modbus serial communication

Asked 2 years ago by Tapan Sahoo Rank: 1206

5

answers

0

votes

648

views

CI867 with MOXA NPort for

Asked 3 years ago by aneelbaig Rank: 2635

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

5

answers

5

votes

787

views

800m modbus communication

Asked 3 years ago by susheelkrjain Rank: 636

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

3

answers

9

votes

1918

views

Modbus RTU configuration

Asked 7 years ago by Willians Dutra Rank: 188

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

1

answer

2

votes

1054

views

AC500 as Modbus RTU Slave with multiple masters

Asked 6 years ago by Anish Rank: 95

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500, Power Automation > AC 800PEC

4

answers

2

votes

342

views

Multidrop Communication in CI853

Asked 1 year ago by manojjoshi10 Rank: 791

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA

4

answers

0

votes

478

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 2 years ago by bva_bonda Rank: 2594

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500-eCo > Processor modules, PLC Automation > AC500-eCo

2

answers

1

votes

290

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 2 years ago by dede Rank: 3444

DCS in general > Communication > Modbus > Modbus RTU, PLC Automation > AC500, PLC Automation > Control panels > CP600 series

8

answers

0

votes

4108

views

communication between hmi and acs drive

Asked 4 years ago by jainson Rank: 81

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

2

answers

3

votes

398

views

Modbus Address

Asked 3 years ago by saagar_khr Rank: 2010

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

3

answers

0

votes

317

views

StartAddress format for MBTCPRead block for functional code 01 & 02

Asked 2 years ago by saurishkr Rank: 85

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), Compact Product Suite > Engineering > Compact Control Builder

4

answers

4

votes

602

views

Modbus Slave -MBRead giving timeout error -4929

Asked 3 years ago by Rajeesh Mariyodan Rank: 50

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

5

answers

4

votes

1194

views

Modbus RTU over TCP

Asked 3 years ago by insen1 Rank: 857

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

1

answer

0

votes

358

views

Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 11 months ago by kstoilov AKS expert

Rank: 5

PLC Automation > AC500 > Processor modules > PM571, PM572, PM573, DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Software > Configuration

2

answers

2

votes

358

views

start address for 40001

Asked 2 years ago by usman Rank: 653

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Control systems > Connectivity, 800xA > AC 800M, 800xA > Connectivities > 3rd party connectivity

3

answers

4

votes

834

views

Configuring the AC500 PM 554 Port as 422 Modbus

Asked 5 years ago by osama malhy AKS expert

Rank: 15

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

1

answer

1

votes

614

views

Why cm 574 communication module configuration error comes continuously

Asked 4 years ago by rajeswaran Rank: 487

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

6

answers

3

votes

1215

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 4 years ago by aeciolevy Rank: 764

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

2

answers

0

votes

1140

views

AC800M, PM860, MODBUS RTU

Asked 4 years ago by PM860 Rank: 902

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

2

answers

14

votes

877

views

Modbus rtu between ac500pm573

Asked 5 years ago by ghilu Rank: 820

DCS in general > Communication > Modbus > Modbus RTU, 800xA > Engineering, PLC Automation > AC500

2

answers

1

votes

227

views

CI853 Modbus Serial -Daisy Chain MultiDrop

Asked 2 years ago by fahaz Rank: 442

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI85x modules > CI853 (serial), 800xA > System > System version > 800xA 6.0.2

1

answer

0

votes

93

views

ABB Modbus time-out

Answered 1 year ago by Flavio Mussolin AKS expert

Rank: 4

Drives > AC drives > ACS550 series, DCS in general > Communication > Modbus > Modbus RTU

2

answers

4

votes

580

views

How to read 32 bit register using CI853 ?

Asked 5 years ago by sjrnathan Rank: 1991

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

1

answer

2

votes

816

views

AC450 controller -- CI532 V02 for MODBUS comm. ERR

Asked 5 years ago by juan yu Rank: 957

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

3

answers

2

votes

488

views

Modbus Communication using Special Message Framing AC500 via Emerson Floboss

Asked 4 years ago by yavuzz Rank: 588

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

1

answer

0

votes

155

views

RTU520 data scaling issues for Elite440 MFM

Asked 2 years ago by saurishkr Rank: 85

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Communication > Modbus, 800xA > Fieldbus > IEC 61850, Distribution Automation > Grid automation > RTU5xx DA, Power Automation > Remote terminal units > RTU500 series > RTU560, RTU560E, Power Automation > Remote terminal units

3

answers

2

votes

205

views

in 800Xa version 5.1 FP2 how to configure CI853 as a slave in modbus RTU configuration.

Asked 2 years ago by vsenthilraja2003 Rank: 1158

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

1

answer

5

votes

1332

views

How to configure in software, AC500 CPU as Modbus RTU Slave?

Asked 6 years ago by Anish Rank: 95

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

8

answers

4

votes

4227

views

ABB AC700 PLC as Modbus RTU Master & 4-5 RTU slaves Communication Problems

Asked 6 years ago by andrikmail Rank: 2529

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

1

answer

1

votes

106

views

MP200 and AC800PEC Modbus communication

Asked 1 year ago by Thazhai Rank: 463

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master > Controllers > MasterPiece 200 and 200/1, Power Automation > AC 800PEC

3

answers

4

votes

257

views

AC500 and Aqua Master Flow Meter Modbus RTU Communication

Asked 1 year ago by engineerjaber Rank: 594

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

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