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

1

answer

1

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1210

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CI867 as Modbus TCP slave

Asked 5 years ago by pauly25 Rank: 925

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

1

answer

0

votes

2691

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Connection REF615 and SCADA over MODBUS TCP/IP

Commented 1 year ago by heramirez Rank: 1686

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication > Modbus, Distribution Automation > Feeder protection & control > REF6xx series

5

answers

4

votes

4033

views

Modbus TCP/IP

Asked 6 years ago by Luka Rank: 511

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

1

answer

2

votes

1872

views

CI867 Modbus TCP Master Communication Error

Asked 3 years ago by Jagl77 Rank: 239

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > System > System version > 800xA 6.0

5

answers

5

votes

1670

views

Modbus RTU over TCP

Asked 5 years ago by insen1 Rank: 968

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

1

answer

3

votes

667

views

ETH_MOD_MAST Limitations.

Answered 2 years ago by ak Rank: 173

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

2

answers

2

votes

1388

views

32 bits dint to two 16bits dint

Asked 4 years ago by aerodriguez2010 Rank: 506

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

4

answers

2

votes

2457

views

modbus tcp slave not responding?

Asked 4 years ago by Aoo Rank: 1974

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

4

answers

2

votes

1577

views

Read/Write discrete Input/output using modbus tcp

Asked 4 years ago by Dannyf Rank: 3653

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Communication, 800xA > Engineering, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

1

answer

1

votes

2379

views

CI867 AC800M Modbus TCP/IP Configured as a Slave?

Asked 6 years ago by bozomanuk Rank: 2204

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

7

answers

1

votes

1126

views

CI867 Hardware Configuration

Asked 3 years ago by ertug Rank: 699

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

1

answer

1

votes

1075

views

MODBUS communication Break

Asked 5 years ago by inripra Rank: 915

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

1

answer

1

votes

1182

views

Regarding %MW address problem in AC500

Asked 5 years ago by rajshasthri Rank: 1197

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

2

answers

4

votes

1532

views

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

Asked 5 years ago by gurwinder Rank: 1206

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

3

answers

0

votes

497

views

read separate registers in modbus

Commented 1 year ago by Tomas Rank: 316

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

1

answer

0

votes

631

views

Modbus TCP UnitID

Asked 4 years ago by tommiZ Rank: 914

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

1

answer

1

votes

1464

views

CI867 Modbus TCP/IP slave

Asked 5 years ago by pauly25 Rank: 925

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

2

answers

1

votes

1088

views

Modbus TCP slave (PLC) Is diconnecting due to watchdog timer?

Asked 4 years ago by Aoo Rank: 1974

DCS in general > Communication > Modbus > Modbus TCP

3

answers

12

votes

1465

views

AC500 ETH_MOD_MAST - how to close connection

Asked 5 years ago by adi2 Rank: 229

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

2

answers

2

votes

1228

views

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

Asked 5 years ago by SamAI Rank: 1332

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

10

answers

8

votes

2928

views

COMPACT HMI with Modbus TCP

Asked 7 years ago by csanchez411 AKS expert

Rank: 14

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Software > Configuration, 800xA > System > Administration & configuration > Configuration, Compact Product Suite > Operations > Compact HMI

6

answers

7

votes

5150

views

How to declare AC800M CI867 as Modbus TCP Master?

Commented 1 year ago by mtoshiokan Rank: 2883

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

2

answers

3

votes

1704

views

How do I in software configure AC500 as a Modbus TCP/IP slave

Asked 4 years ago by Aoo Rank: 1974

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

2

answers

0

votes

628

views

Using PLC connect for modbus TCP/IP

Asked 3 years ago by mayank roy Rank: 1257

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

3

answers

3

votes

656

views

Modbus TCP Connection Down -7001

Asked 3 years ago by jeevan84 Rank: 664

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

2

answers

3

votes

1058

views

Modbus TCP/IP or OPC connection

Asked 3 years ago by hrksa Rank: 133

1

answer

0

votes

236

views

Modbus TCP Connection Down -7001

Answered 1 year ago by Kornelo Rank: 314

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

2

answers

0

votes

664

views

Freelance Modbus TCP watchdog

Asked 4 years ago by jarrett Rank: 588

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

2

answers

1

votes

1989

views

Modbus TCP/IP read 32 bit value

Asked 5 years ago by mshahabahmad Rank: 810

DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

401

views

CI867 Modbus TCP Connection down

Asked 3 years ago by fahaz Rank: 396

DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), 800xA > AC 800M, 800xA > System > System version > 800xA 6.0.3

1

answer

1

votes

663

views

800xA communication with Modbus TCP/IP,

Asked 4 years ago by Makk_ice Rank: 549

DCS in general > Communication > Modbus > Modbus TCP, DCS in general > Control systems > Connectivity, 800xA > Connectivities > 3rd party connectivity, 800xA > System > System version > 800xA 5.1 FP4

1

answer

1

votes

1262

views

PLC reading from a holding register

Asked 4 years ago by Aoo Rank: 1974

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

4

answers

4

votes

2553

views

How to configuring CI867 as a slave?

Asked 7 years ago by animesh.karfa@in.abb Rank: 2531

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

1

answer

1

votes

756

views

Compact HMI 800 communicating AC500 Modbus TCP/IP

Asked 7 years ago by walt Rank: 2281

DCS in general > Communication > Modbus > Modbus TCP, Compact Product Suite > Operations > Compact HMI, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

2

answers

0

votes

771

views

Setting up ModBus TCP

Asked 3 years ago by bolman Rank: 6340

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

4

answers

2

votes

896

views

CI867 - Modbus TCP error code -7006 (slave is a PC software)

Asked 3 years ago by quangbv.ctrl Rank: 1723

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

1

answer

0

votes

451

views

Compact HMI modbus REAL value

Asked 5 years ago by marquee71 Rank: 5343

DCS in general > Communication > Modbus > Modbus TCP, Compact Product Suite > Operations > Compact HMI, PLC Automation > AC500 > CI modules > CI521, CI522 (Modbus TCP), PLC Automation > AC500

4

answers

2

votes

1083

views

AC500 PLC to PLC communication

Asked 4 years ago by asad1837 Rank: 584

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

1

answer

0

votes

181

views

MODBUS tcp/ip communication

Commented 10 months ago by Amal Rank: 88

PLC Automation > Engineering > Automation Builder, DCS in general > Communication > Modbus > Modbus TCP

2

answers

2

votes

236

views

Modbus TCP/IP

Commented 8 months ago by Amal Rank: 88

DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

50

views

AC900F Modbus TCP Reconnect delay after CPU switchover

Commented 1 month ago by ulrich.topp Rank: 1670

Freelance > Fieldbus > _Other, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

318

views

Modbus connection terminates due to popup error "runtime error #16 (watchdog expired Task = default task)"

Asked 4 years ago by Aoo Rank: 1974

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

2

answers

0

votes

596

views

PLC Connect, MODBUS TCP

Asked 3 years ago by nagaraju velpuri Rank: 110

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

2

answers

0

votes

951

views

CI867, Modbus TCP

Asked 3 years ago by JJ Rank: 1427

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

1

answer

1

votes

759

views

How to configure PM564 PLC as a Modbus TCP slave over ethernet and CI867 as a master.

Asked 4 years ago by saurishkr Rank: 89

2

answers

0

votes

776

views

I wish to know how to set up Ethernet modbus on the control builder and codesys software(ETH_MOD_MAST FB)

Asked 4 years ago by MTHOBISI Rank: 1730

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

2

answers

4

votes

572

views

Freelance AC900F MODTCP_M Fatal error & Error code

Asked 5 years ago by Martinus Cinovasi Rank: 366

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

3

answers

2

votes

286

views

How to read real data with endian sign from Compact HMI Modbus TCP

Asked 3 years ago by kuncoro Rank: 3525

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

1

answer

1

votes

44

views

Freelance MBTCP_M.Conn

Commented 1 month ago by Dieter Henkel AKS expert

Rank: 10

Freelance > Fieldbus > _Other, DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

80

views

Writing to Siemens PLC via modbus using Function Code 6 breaks modbus communication

Answered 5 months ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus TCP

AKS experts