Modbus questions & answers - Control Systems Application and Knowledge Store

1

answer

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16

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ktp900 communication with ci867 through modbustcp / ip

Answered 1 day ago by hel2nan Rank: 604

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

2

answers

1

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53

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PVI-12.5-OUTD Modbus communication

Commented 5 days ago by alexandre.julien Rank: 3768

Freelance > Engineering > Programming > _Other, DCS in general > Communication > Modbus

0

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0

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43

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AC900F Modbus TCP maximum masters

Asked 7 days ago by mkr Rank: 2473

DCS in general > Communication > Modbus > Modbus TCP, Freelance > Controllers > AC 900F > PM 901F, PM 902F

1

answer

1

votes

26

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Direct Connection Between Compact HMI and MODBUS RTU Device

Answered 28 days ago by Ingo AKS expert

Rank: 29

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

2

answers

2

votes

88

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double word by modbus

Commented 1 month ago by ythant Rank: 2795

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

1

answer

1

votes

45

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Freelance MBTCP_M.Conn

Commented 2 months ago by Dieter Henkel AKS expert

Rank: 10

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

2

answers

1

votes

55

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AC900F Modbus TCP Reconnect delay after CPU switchover

Commented 2 months ago by ulrich.topp Rank: 1348

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

1

answer

0

votes

48

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MBWrite Status -7001, Error occurs when the variable value becomes negative.

Answered 2 months ago by Neeraj Rank: 412

PLC Automation, DCS in general > Communication > Modbus

3

answers

0

votes

85

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We have a Modbus mapping list for a flow computer .

Answered 3 months ago by ParthibanT Rank: 42

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

1

answer

2

votes

55

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AC800M Modbus: Use same Modbus FB the read / write different registers

Commented 3 months ago by epelt Rank: 1935

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

3

answers

0

votes

118

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Modbus Float registers

Answered 3 months ago by ParthibanT Rank: 42

DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

83

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AC800M as Modbus Slave and Modscan as Modbus master

Commented 12 days ago by gangadhar.gadre Rank: 988

PLC Automation, DCS in general > Communication > Modbus

0

answers

0

votes

47

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FENA-11 Modbus TCP adapter

Commented 4 months ago by ParthibanT Rank: 42

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

41

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FENA-11 Modbus TCP adapter

Asked 4 months ago by monther.khalifah Rank: 3555

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

1

answer

1

votes

84

views

PLC AC500 V3 MODBUS TCP

Answered 3 months ago by mahendra.g-patgar Rank: 208

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

1

answer

0

votes

55

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Support Modbus RTU Function Code 22

Answered 4 months ago by rahil.m Rank: 1015

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

1

answer

0

votes

125

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

Commented 5 months ago by Amal Rank: 84

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

1

answer

1

votes

70

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Modbus Addressing in CHMI

Commented 5 months ago by Amal Rank: 84

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

2

answers

0

votes

83

views

Modbus TCP IP Communicaiton in CHMI

Commented 5 months 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

65

views

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

Answered 5 months ago by ParthibanT Rank: 42

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

0

answers

0

votes

136

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Modbus TCP/IP -PLC connect

Commented 5 months ago by Amal Rank: 84

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

2

answers

0

votes

91

views

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

Answered 6 months ago by kstoilov AKS expert

Rank: 5

DCS in general > Communication > Modbus > Modbus TCP

3

answers

0

votes

70

views

Modbus MBRead Status is changing in between o and 1

Answered 6 months ago by RPM Rank: 37

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

0

answers

0

votes

20

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ABB Upscale DPA Modules Time Sync

Asked 6 months ago by iliatenn Rank: 3384

DCS in general > Communication > Modbus > Modbus TCP

2

answers

0

votes

66

views

MBTCPRead status of -7006 with GE Multilin 339 Relay

Answered 6 months ago by RPM Rank: 37

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

3

answers

5

votes

171

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

Commented 4 months ago by veerendrap Rank: 1528

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

0

answers

0

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101

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MODBUS TCP IP

Commented 7 months ago by kstoilov AKS expert

Rank: 5

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

1

answer

1

votes

55

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

Commented 7 months ago by jm.torres Rank: 5177

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

1

answer

0

votes

46

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8211 timeout error in Modbus rtu

Answered 7 months ago by Amal Rank: 84

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

1

answer

1

votes

74

views

Modbus RTU not getting values

Commented 7 months ago by Amal Rank: 84

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

0

answers

0

votes

32

views

PROBLEM IN LOCAL_CTRL_ON IN PLC DURING MODBUS COMMUNICATION WITH VFD

Asked 8 months ago by VAP_Arun Rank: 568

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

1

answer

0

votes

79

views

PM710 and PM750 Modbus data reading issue

Answered 8 months ago by Rob Lyon Rank: 2

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

3

answers

0

votes

80

views

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

Answered 8 months ago by mcamargo Rank: 160

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

3

answers

0

votes

119

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About PM866 Modbus RTU error code -7011 question

Commented 8 months ago by Chienweitu Rank: 1904

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

0

answers

0

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55

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

Asked 8 months ago by m.f.mousa Rank: 4747

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

1

answer

0

votes

65

views

Modbus register for Ekip UP

Commented 8 months ago by milosav.sekaric Rank: 4029

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

58

views

MODBUS VFD CONFIGURATION

Commented 8 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

44

views

CP600 Panel builder

Asked 8 months ago by Amal Rank: 84

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

79

views

Modbus TCP to OPC

Commented 8 months ago by Amal Rank: 84

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

1

answer

0

votes

95

views

modbus TCP/IP

Answered 9 months ago by mahendra.g-patgar Rank: 208

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

0

answers

0

votes

43

views

AC500 Modbus RTU bug with Coriolis FCB450

Asked 9 months ago by antonis.asimakopoulos Rank: 4349

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

2

answers

2

votes

255

views

Modbus TCP/IP

Commented 9 months ago by Amal Rank: 84

DCS in general > Communication > Modbus > Modbus TCP

2

answers

2

votes

58

views

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

Commented 9 months ago by rikiwijaya98 Rank: 1983

DCS in general > Communication > Modbus > Modbus TCP

0

answers

0

votes

30

views

modscan same issue sm500/rgv2000

Asked 9 months ago by rikiwijaya98 Rank: 1983

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

1

answer

1

votes

49

views

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

Commented 9 months ago by iliatenn Rank: 3384

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

2

answers

0

votes

125

views

PM866 controller is going to fault mode

Commented 9 months ago by RPM Rank: 37

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

111

views

Modbus TCP/IP

Commented 9 months ago by Amal Rank: 84

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

1

answer

0

votes

66

views

Need array to hold data for Information Manager Calculations service

Commented 9 months ago by kamil.herman Rank: 21

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

1

answer

0

votes

83

views

Modbus Interface (CI534V02) got problem.

Answered 10 months ago by Jan-Erik Rask Rank: 81

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

2

answers

0

votes

77

views

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

Answered 10 months ago by Rob Lyon Rank: 2

DCS in general > Communication > Modbus > Modbus RTU

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