Modbus questions & answers - Control Systems Application and Knowledge Store

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28

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FENA-11 Modbus TCP adapter

Commented 2 days ago by ParthibanT Rank: 50

DCS in general > Communication > Modbus > Modbus TCP

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0

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31

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FENA-11 Modbus TCP adapter

Asked 8 days ago by monther.khalifah Rank: 3419

Power Automation > Solar inverter > _Other, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

37

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PLC AC500 V3 MODBUS TCP

Answered 12 hours ago by mahendra.g-patgar Rank: 275

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

1

answer

0

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48

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Support Modbus RTU Function Code 22

Answered 1 month ago by rahil.m Rank: 1419

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

1

answer

0

votes

72

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AC500 communication float or double data type with Modbus TCP/IP (ETH_MOD_MAST or other block)

Commented 1 month ago by Amal Rank: 102

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

1

answer

1

votes

59

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Modbus Addressing in CHMI

Commented 1 month ago by Amal Rank: 102

Compact Product Suite > Operations > Compact HMI, 800xA, DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

76

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Modbus TCP IP Communicaiton in CHMI

Commented 1 month ago by kstoilov AKS expert

Rank: 5

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

1

answer

0

votes

60

views

CI867 card going unresponsive with all LED indication off and communication failure

Answered 1 month ago by ParthibanT Rank: 50

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

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answers

0

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114

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Modbus TCP/IP -PLC connect

Commented 1 month ago by Amal Rank: 102

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

2

answers

0

votes

51

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

Answered 2 months ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus TCP

3

answers

0

votes

64

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Modbus MBRead Status is changing in between o and 1

Answered 2 months ago by Rajeesh Mariyodan Rank: 41

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

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answers

0

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15

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ABB Upscale DPA Modules Time Sync

Asked 2 months ago by iliatenn Rank: 3244

DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

62

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MBTCPRead status of -7006 with GE Multilin 339 Relay

Answered 2 months ago by Rajeesh Mariyodan Rank: 41

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

3

answers

5

votes

134

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How enable Modbus TCP in ABB AC800M controller to enable communication to scada?

Commented 15 days ago by veerendrap Rank: 1530

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

0

answers

0

votes

91

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MODBUS TCP IP

Commented 3 months ago by kstoilov AKS expert

Rank: 5

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

1

answer

1

votes

49

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mapping Modbus RTU between ABB UNO 3.3 and React-MTR-1PH

Commented 3 months ago by jm.torres Rank: 4950

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

1

answer

0

votes

22

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8211 timeout error in Modbus rtu

Answered 3 months ago by Amal Rank: 102

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

1

answer

1

votes

60

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Modbus RTU not getting values

Commented 3 months ago by Amal Rank: 102

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

0

answers

0

votes

29

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PROBLEM IN LOCAL_CTRL_ON IN PLC DURING MODBUS COMMUNICATION WITH VFD

Asked 4 months ago by VAP_Arun Rank: 580

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

1

answer

0

votes

51

views

PM710 and PM750 Modbus data reading issue

Answered 4 months ago by Rob Lyon Rank: 2

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

3

answers

0

votes

70

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PLC Connect - Modbus TCP/IP Drive - Double HRA to Decimal Real Value

Answered 4 months ago by mcamargo Rank: 175

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

3

answers

0

votes

100

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About PM866 Modbus RTU error code -7011 question

Commented 4 months ago by Chienweitu Rank: 1832

800xA > AC 800M > _Other, 800xA > AC 800M > Processor modules > PM861, PM864, PM866, DCS in general > Communication > Modbus > Modbus RTU

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answers

0

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47

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AC500, Modbus TCP/IP Server Configuration using Automation builder ver 2.2

Asked 4 months ago by m.f.mousa Rank: 4553

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

1

answer

0

votes

44

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Modbus register for Ekip UP

Commented 4 months ago by milosav.sekaric Rank: 3891

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

51

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MODBUS VFD CONFIGURATION

Commented 4 months ago by kstoilov AKS expert

Rank: 5

Drives, PLC Automation > AC500 > Processor modules > PM581, PM582, PM583, PM585, DCS in general > Communication > Modbus

0

answers

0

votes

37

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CP600 Panel builder

Asked 4 months ago by Amal Rank: 102

DCS in general > Communication > Modbus > Modbus TCP, PLC Automation > Engineering > Automation Builder > Panel Builder 600, PLC Automation > AC500-eCo > Processor modules > PM554, PM555, PM556

0

answers

0

votes

72

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Modbus TCP to OPC

Commented 4 months ago by Amal Rank: 102

DCS in general > Communication > Modbus > Modbus TCP, Safety Systems > _Other

1

answer

0

votes

86

views

modbus TCP/IP

Answered 5 months ago by mahendra.g-patgar Rank: 275

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

0

answers

0

votes

41

views

AC500 Modbus RTU bug with Coriolis FCB450

Asked 5 months ago by antonis.asimakopoulos Rank: 4168

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

2

answers

2

votes

203

views

Modbus TCP/IP

Commented 5 months ago by Amal Rank: 102

DCS in general > Communication > Modbus > Modbus TCP

2

answers

2

votes

53

views

ABB sm500 tcp ip comm ,no valid response as slave in modscan

Commented 5 months ago by rikiwijaya98 Rank: 2021

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

30

views

modscan same issue sm500/rgv2000

Asked 5 months ago by rikiwijaya98 Rank: 2021

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

1

answer

1

votes

47

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PI reads incorrect values from wall mounted ACS800's with older software versions

Commented 5 months ago by iliatenn Rank: 3244

Drives > AC drives > ACS800 series > ACS800 single drives, DCS in general > Communication > Modbus > Modbus RTU

2

answers

0

votes

122

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PM866 controller is going to fault mode

Commented 5 months ago by Rajeesh Mariyodan Rank: 41

800xA > AC 800M > CI86x modules > CI867 (Modbus TCP), DCS in general > Communication > Modbus > Modbus TCP, 800xA > AC 800M > Processor modules > PM861, PM864, PM866, 800xA > Applications

0

answers

0

votes

100

views

Modbus TCP/IP

Commented 5 months ago by Amal Rank: 102

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

1

answer

0

votes

61

views

Need array to hold data for Information Manager Calculations service

Commented 5 months ago by kamil.herman Rank: 24

800xA > Applications > Information management > Information Manager, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

73

views

Modbus Interface (CI534V02) got problem.

Answered 6 months ago by Jan-Erik Rask Rank: 85

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

2

answers

0

votes

69

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CI534V02 - strange issue with "R" status (used with controller AC450)

Answered 6 months ago by Rob Lyon Rank: 2

DCS in general > Communication > Modbus > Modbus RTU

2

answers

1

votes

87

views

CI867 Data gets freezed

Answered 6 months ago by ParthibanT Rank: 50

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

1

answer

0

votes

28

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Freelance v9.2 modbus

Commented 6 months ago by Randi Rank: 1398

Freelance, DCS in general > Communication > Modbus

3

answers

0

votes

177

views

Register Addressing for Modbus TCP/IP while using Access Variables

Answered 6 months ago by Rajeesh Mariyodan Rank: 41

800xA > Engineering > _Other, Distribution Automation > _Other, DCS in general > Communication > Modbus > Modbus TCP

1

answer

0

votes

44

views

PM867 read modbus protocol data fail,can someone hlep me?

Commented 6 months ago by Rob Lyon Rank: 2

Safety Systems > AC 800M High Integrity > Control Builder Safe, DCS in general > Communication > Modbus

2

answers

2

votes

77

views

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

Answered 7 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

105

views

How to detect frozen values using MODBUS communication?

Commented 7 months ago by Rob Lyon Rank: 2

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

1

answer

1

votes

128

views

PLC Connect- Modbus/TCP - Coils Addressing Requirements

Commented 7 months ago by roger.a.nilsson Rank: 1540

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

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

0

answers

0

votes

66

views

Modbus TCP Protocol

Asked 7 months ago by Amal Rank: 102

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

4

answers

7

votes

95

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

Commented 7 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

73

views

MODBUS TCP/IP COMMUNICATION

Commented 7 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

153

views

MODBUS tcp/ip communication

Commented 7 months ago by Amal Rank: 102

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

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