Modbus questions & answers - Control Systems Application and Knowledge Store

2

answers

2

votes

88

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is it possible to make more than one request using Modbus RTU during a PLC cycle?

Answered 9 months ago by Rob Lyon Rank: 2

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

3

answers

2

votes

107

views

How to detect frozen values using MODBUS communication?

Commented 9 months ago by Rob Lyon Rank: 2

800xA > AC 800M > CI85x modules > CI856 (S100), DCS in general > Communication > Modbus

1

answer

1

votes

134

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PLC Connect- Modbus/TCP - Coils Addressing Requirements

Commented 9 months ago by roger.a.nilsson Rank: 1236

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

1

answer

0

votes

91

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Problem with MODBUS RTU between AC800M and AC500

Commented 10 months ago by kstoilov AKS expert

Rank: 5

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

0

answers

0

votes

68

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Modbus TCP Protocol

Asked 10 months ago by Amal Rank: 88

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

4

answers

7

votes

104

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Modbus TCP/IP communication between Symphony Plus SPC700 controller & Slave Modbus

Commented 10 months ago by pedro-luis.torres-chacon Rank: 814

Symphony Plus > Controllers > SD series hardware, DCS in general > Communication > Modbus > Modbus TCP

1

answer

1

votes

82

views

MODBUS TCP/IP COMMUNICATION

Commented 10 months ago by Titus AKS expert

Rank: 6

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

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

3

answers

1

votes

57

views

Energy Analyzer

Commented 10 months ago by Amal Rank: 88

Safety Systems, DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

votes

118

views

modbus addressing

Commented 10 months ago by Amal Rank: 88

PLC Automation > AC500-eCo > Processor modules > PM554, PM555, PM556, DCS in general > Communication > Modbus

0

answers

0

votes

118

views

modbus tcp\ip addressing

Asked 10 months ago by Amal Rank: 88

PLC Automation > Engineering > Automation Builder > Application solutions, DCS in general > Communication > Modbus

3

answers

4

votes

164

views

modbus tcp

Answered 11 months ago by ParthibanT Rank: 43

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

1

answer

0

votes

116

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Can I acheive Modbus TCP/IP communication between PM585 and CI522 (Remote I/O) by using ETH_MOD_MASTER FB?

Commented 11 months ago by Dan Rank: 1637

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

2

answers

0

votes

34

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Data from devices connected with modbus rtu does not come from time to time? zero is coming. why?

Commented 12 months ago by kstoilov AKS expert

Rank: 5

PLC Automation > AC500-eCo > Processor modules > PM564, PM565, PM566, DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

67

views

How Many parameter can be read through Modbus serial moduleCI853 from a single slave and in Total

Commented 12 months ago by himanshu Rank: 248

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

0

answers

0

votes

52

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HOW TO READ ASCII VALUE IN PM583-ETH PLC THROUGH MODBUS TCP/IP protocol

Asked 1 year ago by WINTEX_ENGINEERS Rank: 581

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

2

answers

1

votes

59

views

Modbus TCP Connection REM615 - Up[date Rate of Current Signal, address, 40140, 40139, 40138

Commented 1 year ago by gregory.richards Rank: 4643

PLC Automation > Supervisory software, DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

101

views

How to Unpack a 16 bit data

Commented 1 year ago by vinomano412 Rank: 1636

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

3

answers

0

votes

100

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Modbus TCP slave address 0

Answered 1 year ago by ParthibanT Rank: 43

DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

44

views

AC450 modbus redundancy (CI532V02 with MS)

Answered 11 months ago by Jan-Erik Rask Rank: 80

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

1

answer

0

votes

26

views

Error when reading from RVG200 recorder via Modbus/TCP

Commented 1 year ago by mschori Rank: 5725

DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

91

views

Modbus TCP problems in Freelance 2016

Commented 1 year ago by Dieter Henkel AKS expert

Rank: 10

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

0

answers

0

votes

111

views

MODBUS TCP/IP between two PLC's AC500 V3, ETHx_MOD_MAST function block with code of error unknown (256)

Commented 1 year ago by ak Rank: 173

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

3

answers

0

votes

74

views

How to configure PM583 COM2 port with multi-access for modbus-rtu & online access in CoDeSys?

Answered 1 year ago by GeekSquad13 Rank: 5721

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

216

views

How to read INPUT REGISTER address of a modbus slave device through COM_MOD_MAST.

Answered 1 year ago by ak Rank: 173

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

0

answers

0

votes

136

views

ModbusTCP MBConn Error Code -7004

Commented 1 year ago by michelle.lim Rank: 870

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

1

answer

0

votes

112

views

I noticed you're a top rankd expert and I'm in dire need of help. Modbus TCP/IP Registers

Commented 1 year ago by anthony.valverde Rank: 1565

PLC Automation > AC500 > I/O modules, DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

95

views

Modbus TCP IP communication with Outotec PSI500I system

Answered 1 year ago by kstoilov AKS expert

Rank: 5

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

2

answers

1

votes

100

views

MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 1 year ago by prashant.verma Rank: 1268

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

1

answer

1

votes

127

views

Modbus RS485 to Phoenix Contact Ethernet Converter to CI867 comms issue

Commented 1 year ago by Ben Merryman Rank: 234

800xA > Connectivities > 3rd party connectivity > _Other, 800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > Hardware, firmware > ModuleBus, 800xA > System > System version > 800xA 6.0.1

1

answer

0

votes

72

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ABB Videographic Recorder Not working with Modbus TCP/IP

Commented 1 year ago by jorge.garcia Rank: 5668

DCS in general > Communication > Modbus > Modbus TCP

2

answers

1

votes

85

views

ci867 Ethernet card with ethernet to rs 485 converter

Answered 1 year ago by hpg Rank: 76

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

2

answers

1

votes

18

views

Transfer some reading via FI820F Card

Answered 1 year ago by Reda Rank: 103

Freelance, DCS in general > Communication > Modbus

3

answers

4

votes

149

views

OPC communication or MODBUS

Commented 1 year ago by Rob Lyon Rank: 2

800xA > _Other, DCS in general > Communication > OPC, DCS in general > Communication > Modbus, Safety Systems > _Other

1

answer

0

votes

78

views

Configure AC450 as a modbus slave with CI532

Answered 1 year ago by WvanWees AKS expert

Rank: 7

DCS in general > Communication > Modbus > Modbus RTU

1

answer

2

votes

244

views

Modbus addressing between AC500 and non ABB HMI

Commented 1 year ago by nitin1107 Rank: 207

PLC Automation, DCS in general > Communication > Modbus

2

answers

2

votes

134

views

Modbus TCP to OPC

Commented 1 year ago by Tomas Rank: 316

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

1

answer

1

votes

147

views

How to read 64bit data from modbus reciving 2 registers with dint ?

Commented 1 year ago by kamil.herman Rank: 23

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

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

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)

1

answer

0

votes

59

views

Need configuration settings for Modbus in S+ Operations 2.0.4

Answered 1 year ago by frqahmed Rank: 148

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

3

answers

0

votes

47

views

I need read 3 value from each slave from existing protocol

Answered 1 year ago by inammel Rank: 57

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

2

answers

1

votes

306

views

Modbus

Commented 1 year ago by arunvt1992 Rank: 653

PLC Automation, DCS in general > Communication > Modbus

1

answer

0

votes

114

views

How to set up CI867 to third part device?

Answered 1 year ago by kstoilov AKS expert

Rank: 5

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

0

answers

0

votes

66

views

Socket programming(tcp/ip) in automation builder 2.0 ,ac-500,PM583

Asked 1 year ago by nynarkumar Rank: 1000

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

1

answer

0

votes

47

views

Modbus communication between PLC and PIC32MX problem

Answered 2 years ago by Titus AKS expert

Rank: 6

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

1

answer

0

votes

30

views

Modbus issues after upgrade of Freelance (v8.1 -> 2016)

Answered 1 year ago by DanoGeorge Rank: 3449

Freelance, DCS in general > Communication > Modbus

5

answers

0

votes

527

views

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

Answered 2 years ago by Kevin.zhu Rank: 2981

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

3

answers

0

votes

202

views

AC500 MODBUS on PM564 com2

Answered 2 years ago by rahilmohammed Rank: 59

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

1

answer

0

votes

116

views

AC500 Modbus Master Receiver to variable %MW0.X

Answered 2 years ago by kstoilov AKS expert

Rank: 5

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

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