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

2

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MODBUS REDUNDANCY WITH CI853 ACTING AS SLAVE

Commented 1 month ago by prashant.verma Rank: 1329

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

1

answer

0

votes

57

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Configure AC450 as a modbus slave with CI532

Answered 5 months ago by WvanWees AKS expert

Rank: 7

DCS in general > Communication > Modbus > Modbus RTU

5

answers

0

votes

242

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

Answered 9 months ago by Kevin.zhu Rank: 2559

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

3

answers

0

votes

125

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AC500 MODBUS on PM564 com2

Answered 11 months ago by rahilmohammed Rank: 57

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

1

answer

0

votes

47

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Ref542plus => Modbus board

Answered 11 months ago by ATP AKS expert

Rank: 25

Distribution Automation > Feeder protection & control > REF 54x series, DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

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25

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Modbus Registers in RVG200

Asked 1 year ago by algarellano Rank: 2442

DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

24

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Connecting aztec600(profibus slave) to gateway(profibus-modbus) to rvg200(modbus master)

Commented 11 months ago by Emil Lopez Rank: 2008

DCS in general > Communication > Modbus > Modbus RTU

2

answers

4

votes

1015

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Termination resistor for modbus rtu

Commented 1 year ago by arunvt1992 Rank: 672

DCS in general > Communication > Modbus > Modbus RTU

3

answers

3

votes

123

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

Commented 1 year ago by ak Rank: 212

DCS in general > Communication > Modbus > Modbus RTU

1

answer

1

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78

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AC500 MODBUS RTU ERROR 3003

Commented 1 year ago by arunvt1992 Rank: 672

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

1

answer

0

votes

403

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Communicate PM573-ETH PLC with PSTX Softstarter over Modbus RS485

Commented 1 year 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

0

votes

111

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How many slave devices can be used in one CI853

Answered 1 year ago by AftabMemon Rank: 33

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

2

answers

2

votes

94

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How many MFM meter can be connected to CI853

Answered 1 year ago by Vinoth Sankar Rank: 118

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

1

answer

0

votes

40

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Debugging CMS-600 Modbus communication

Answered 1 year ago by miikka.raninen Rank: 3299

DCS in general > Communication > Modbus > Modbus RTU

1

answer

0

votes

101

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ABB Modbus time-out

Answered 1 year ago by Flavio Mussolin AKS expert

Rank: 4

Drives > AC drives > ACS550 series, DCS in general > Communication > Modbus > Modbus RTU

0

answers

0

votes

64

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How did you solve the issue of communication meter connected via Modbus RTU/TCP gateway with PLC Connect?

Asked 1 year ago by rrk Rank: 321

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

3

answers

0

votes

192

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[COMPLETE] Configuration of AC500 and CP600 over Mobus RTU

Asked 1 year ago by daguilara9 Rank: 545

3

answers

0

votes

116

views

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

Commented 1 year 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

1

answer

0

votes

72

views

DSCA 180B with AC 800PEC

Asked 1 year ago by Thazhai Rank: 470

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master > Controllers > MasterPiece 200 and 200/1, Power Automation > AC 800PEC

1

answer

1

votes

109

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MP200 and AC800PEC Modbus communication

Asked 1 year ago by Thazhai Rank: 470

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant Master > Controllers > MasterPiece 200 and 200/1, Power Automation > AC 800PEC

2

answers

4

votes

203

views

Multi function meter looping

Asked 1 year ago by saffu Rank: 3027

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

1

answer

0

votes

156

views

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

Asked 1 year ago by Hoang Van Rank: 743

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

0

answers

0

votes

114

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Aquamaster 3 Modbus-Serial 485

Asked 1 year ago by PedroC Rank: 36

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

3

answers

4

votes

265

views

AC500 and Aqua Master Flow Meter Modbus RTU Communication

Asked 1 year ago by engineerjaber Rank: 588

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

1

answer

0

votes

224

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How to do communicattion and configuration between AC500 and panel 800

Asked 1 year ago by chandhu Rank: 1327

3

answers

1

votes

126

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CP661 with MODBUS RTU or TCP/IP

Asked 1 year ago by daguilara9 Rank: 545

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

1

answer

0

votes

70

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MODBUS RTU Frame Handling in MOD300

Asked 1 year ago by manojgubbala Rank: 657

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Advant MOD 300 > Applications > _Other

1

answer

0

votes

184

views

AC500 (PM573): Modbus RTU byte order (Endianness)

Asked 1 year ago by josepvr Rank: 1746

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

3

answers

1

votes

683

views

PM861 COM3 port pin details for RS232 communication.

Asked 1 year 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)

1

answer

1

votes

372

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CI853 as Modbus RTU Master

Asked 1 year ago by Amit Rupani Rank: 156

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

3

answers

2

votes

385

views

Modbus Communication with Schneider MFM

Answered 6 months ago by rajul1230 Rank: 621

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

3

answers

0

votes

488

views

Addressing in PM564 eth for reading Integer values

Asked 1 year ago by saurishkr Rank: 87

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

3

answers

0

votes

416

views

PM564 ETH FOR MODBUS TO MODBUS TCP

Asked 1 year 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

1

answer

1

votes

594

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PM564 COM1 Pin details for RS485 2 wire modbus connection

Asked 1 year ago by saurishkr Rank: 87

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

4

answers

2

votes

352

views

Multidrop Communication in CI853

Asked 1 year ago by manojjoshi10 Rank: 802

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

2

answers

1

votes

237

views

AC800M COM3 Port number of devices and byte data it can process

Asked 1 year ago by saurishkr Rank: 87

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

3

answers

0

votes

689

views

AC500 Modbus RTU

Asked 1 year ago by jarrett Rank: 534

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

1

answer

1

votes

84

views

Can we use two independent Modbus-RTU port from one CI853 module?

Asked 2 years ago by mehrdad Rank: 4679

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

5

answers

0

votes

135

views

AC800M Modbus RTU error code :Undefined Function Code 0

Asked 2 years ago by JaHa_ABB Rank: 1124

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

2

answers

0

votes

250

views

Modbus communication error

Asked 2 years ago by paapooshank Rank: 2459

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

1

answer

0

votes

93

views

AC851A MODBUS COMMUNICATION

Asked 2 years ago by jo2ham Rank: 4043

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

1

answer

0

votes

169

views

Can AC450 be modbus CI534V02 slave?

Asked 2 years ago by Student1 Rank: 6062

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

4

answers

3

votes

2782

views

checksum error, Modbus RTU

Asked 2 years ago by dannypat Rank: 1066

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

2

answers

1

votes

238

views

CI853 Modbus Serial -Daisy Chain MultiDrop

Asked 2 years ago by fahaz Rank: 446

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

1

answer

0

votes

674

views

AC500 Modbus RTU control of ACS880-01 through EFB

Asked 2 years ago by SamTeng Rank: 6035

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

1

answer

1

votes

403

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MODBUS RTU

Commented 1 year ago by akhraszaid Rank: 195

DCS in general > Communication > Modbus > Modbus RTU

2

answers

1

votes

305

views

How to connect PM571 PLC to HMI CP620 using modbus rs485

Asked 2 years ago by dede Rank: 3531

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

4

answers

0

votes

506

views

Connection Modbus RTU between two PLC AC500-eco PM554

Asked 2 years ago by bva_bonda Rank: 2651

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

3

answers

1

votes

96

views

How often does FC80 (station) write to GPI 4.0

Asked 2 years ago by ryan.j.skiffington Rank: 3274

DCS in general > Communication > Modbus > Modbus RTU, Legacy DCS > Symphony Harmony INFI 90 > System

1

answer

1

votes

104

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Hi, MB RTU write block return error -6808

Asked 2 years ago by petrpospech Rank: 3529

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

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