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

4

answers

3

votes

5200

views

checksum error, Modbus RTU

Asked 3 years ago by dannypat Rank: 1172

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

2

answers

4

votes

3217

views

Termination resistor for modbus rtu

Commented 2 years ago by arunvt1992 Rank: 640

DCS in general > Communication > Modbus > Modbus RTU

11

answers

1

votes

11108

views

Slave device not responding, modbus RTU

Asked 5 years ago by PM860 Rank: 996

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

2

answers

2

votes

1333

views

com mod mast

Answered 8 months ago by Amal Rank: 102

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

4

answers

1

votes

1494

views

how to configure com_mod_master to read a holding register?

Commented 5 months ago by Amal Rank: 102

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

1

answer

0

votes

48

views

Support Modbus RTU Function Code 22

Answered 28 days ago by rahil.m Rank: 1419

PLC Automation > AC500 > Applications > High Availability, DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

1030

views

PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 2 years ago by saurishkr Rank: 87

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

5

answers

5

votes

1559

views

Modbus RTU over TCP

Asked 5 years ago by insen1 Rank: 948

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

2065

views

modbus s7-1200 - to ACS580 inverter

Asked 4 years ago by Mnajgebaur Rank: 2977

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

3

answers

1

votes

988

views

PM861 COM3 port pin details for RS232 communication.

Asked 2 years ago by saurishkr Rank: 87

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

9

answers

1

votes

3208

views

MODBUS. Master not able to read slave response.

Asked 5 years ago by PM860 Rank: 996

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

5

answers

0

votes

470

views

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

Answered 1 year ago by Kevin.zhu Rank: 2899

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

3

answers

3

votes

377

views

reading a 32bit value from a modbus slave device using com_mod_mast

Commented 2 years ago by ak Rank: 177

DCS in general > Communication > Modbus > Modbus RTU

2

answers

3

votes

1367

views

Modbus, AC800M, PM860.

Asked 5 years ago by PM860 Rank: 996

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

1

answer

0

votes

653

views

Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 2 years 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

3

answers

2

votes

638

views

Modbus Communication with Schneider MFM

Answered 1 year ago by rajul1230 Rank: 481

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

2

answers

2

votes

645

views

start address for 40001

Asked 3 years ago by usman Rank: 717

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

3

answers

0

votes

795

views

Addressing in PM564 eth for reading Integer values

Asked 2 years ago by saurishkr Rank: 87

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

1

answer

0

votes

882

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 3 years ago by SamTeng Rank: 6970

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

4

answers

4

votes

746

views

Modbus Slave -MBRead giving timeout error -4929

Asked 4 years ago by Rajeesh Mariyodan Rank: 41

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

2

answers

0

votes

1316

views

AC800M, PM860, MODBUS RTU

Asked 5 years ago by PM860 Rank: 996

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

2

answers

0

votes

340

views

Modbus communication error

Asked 3 years ago by paapooshank Rank: 2782

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M, 800xA > Operations > _Other, PLC Automation > Supervisory software

3

answers

0

votes

1126

views

AC500 Modbus RTU

Asked 3 years ago by jarrett Rank: 582

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

2

answers

4

votes

405

views

Multi function meter looping

Asked 2 years ago by saffu Rank: 3491

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

3

answers

1

votes

727

views

Modbus RTU via PM866 and COM3

Asked 6 years ago by tim00 Rank: 777

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

6

answers

3

votes

1325

views

Modbus communication Issue with CI853 and CI867 in the same Hardware

Asked 5 years ago by aeciolevy Rank: 838

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

1

answer

2

votes

724

views

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

Asked 3 years ago by Tapan Sahoo Rank: 1327

8

answers

0

votes

4283

views

communication between hmi and acs drive

Asked 5 years ago by jainson Rank: 89

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

1

answer

1

votes

1006

views

REAL value to IEEE754 32-bit floating point

Asked 6 years ago by Atki Rank: 476

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

1

answer

1

votes

580

views

CI853 as Modbus RTU Master

Asked 2 years ago by Amit Rupani Rank: 172

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

1

answer

0

votes

243

views

How to get data from Modbus RTU devices which use 45xxxx-range address

Asked 2 years ago by Hoang Van Rank: 809

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

3

answers

0

votes

571

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 2 years ago by saurishkr Rank: 87

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

4

answers

3

votes

495

views

Multidrop Communication in CI853

Asked 2 years ago by manojjoshi10 Rank: 865

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

2

answers

3

votes

553

views

Modbus Address

Asked 4 years ago by saagar_khr Rank: 2304

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

5

answers

1

votes

820

views

CI867 with MOXA NPort for

Asked 4 years ago by aneelbaig Rank: 3069

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

1

answer

1

votes

432

views

Error Code 7011

Asked 5 years ago by kstoilov AKS expert

Rank: 5

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

3

answers

0

votes

425

views

StartAddress format for MBTCPRead block for functional code 01 & 02

Asked 3 years ago by saurishkr Rank: 87

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

1

answer

0

votes

301

views

How to do communicattion and configuration between AC500 and panel 800

Asked 2 years ago by chandhu Rank: 1483

3

answers

0

votes

168

views

ABB PLC PM583-ETH can communicate starting address from 0 ???

Commented 2 years ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus RTU, DCS in general > Control systems > PLCs, PLC Automation > _Other, PLC Automation > AC500

4

answers

0

votes

649

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 3 years ago by bva_bonda Rank: 2991

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

1

answer

0

votes

83

views

Problem with MODBUS RTU between AC800M and AC500

Commented 7 months ago by kstoilov AKS expert

Rank: 5

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

1

answer

5

votes

1434

views

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

Asked 7 years ago by Anish Rank: 105

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

1

answer

2

votes

1195

views

AC500 as Modbus RTU Slave with multiple masters

Asked 7 years ago by Anish Rank: 105

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

3

answers

1

votes

836

views

AC800M + COM3 + Modbuse

Asked 6 years ago by kstoilov AKS expert

Rank: 5

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

1

answer

0

votes

151

views

MCM800 Vibration Modbus RTU

Asked 3 years ago by jk47i Rank: 738

DCS in general > Communication > Modbus > Modbus RTU, Symphony Plus > Applications > Asset optimization > MCM800

1

answer

4

votes

896

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: 6732

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

2

answers

1

votes

419

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 3 years ago by dede Rank: 4116

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

1

answer

1

votes

202

views

Can AC450 be modbus CI534V02 slave?

Asked 3 years ago by Student1 Rank: 6995

DCS in general > Communication > Modbus > Modbus RTU, 800xA > AC 800M > CI modules (other), Legacy DCS > Advant Master > Controllers > Advant Controller 450

2

answers

1

votes

306

views

CI853 Modbus Serial -Daisy Chain MultiDrop

Asked 3 years ago by fahaz Rank: 392

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

1

answer

1

votes

499

views

MODBUS RTU

Commented 2 years ago by akhraszaid Rank: 199

DCS in general > Communication > Modbus > Modbus RTU

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