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Modbus Rtu 485 and Rtu 232

Created by: engr_Ahmed at: 6/17/2015 7:53 AM (1 Replies)

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6/17/2015 7:53 AM	Rate (0)
engr_Ahmed Regular Member Joined: 6/19/2013 Last visit: 9/11/2021 Posts: 40 Rating: (0)	Hi Experts, I am using S7-300 and selecting Communication Module for Modbus Rtu 485 I Simatic Manager i have 2 options 1)CP341-RS422/485 6ES7 341-1CH02-0AE0 2)CP341-RS422/485 6ES7 341-1CH01-0AE0 Which module should i select for Modbus 485??? And which dongle should I purchase ,I dont know dongle part Number use with these and i need it Part Number or Order Code. Please Help

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6/17/2015 8:26 AM

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Ste39

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Joined: 1/21/2013

Last visit: 11/20/2024

Posts: 4620

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engr_Ahmed

Hi Experts,

I am using S7-300 and selecting Communication Module for Modbus Rtu 485

I Simatic Manager i have 2 options

1)CP341-RS422/485 6ES7 341-1CH02-0AE0

2)CP341-RS422/485 6ES7 341-1CH01-0AE0

Which module should i select for Modbus 485???

And which dongle should I purchase ,I dont know dongle part Number use with these and i need it Part Number or Order Code.

Please Help

Hello,

1CH02 is the successor of 1CH01

I suppose you want Master,

Please have a look:

6ES7870-1AA01-0YA0

SIMATIC S7, MODBUS MASTER V3.1 SINGLE LICENSE F.1 INSTALLATION R-SW, SW AND DOCU. ON CD, HW-DONGLE, CLASS A, 3 LANGUAGES (G,E,F), EXECUTABLE U. STEP7 FROM V4.2, REFERENCE-HW: CP341 AND CP441-2

http://support.automation.siemens.com/WW/view/en/1220184

If you want your S7 like Slave you need this:

6ES7870-1AB01-0YA0

Product Description

SIMATIC S7, MODBUS SLAVE V3.1 SINGLE LICENSE F.1 INSTALLATION R-SW, SW AND DOCU. ON CD, HW-DONGLE, CLASS A, 3 LANGUAGES (G,E,F), EXECUTABLE U. STEP7 FROM V4.2, REFERENCE-HW: CP341 AND CP441-2

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Modbus Rtu 485 and Rtu 232

Created by: engr_Ahmed at: 6/17/2015 7:53 AM (1 Replies)

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Last edited by: Ste39 at: 6/17/2015 8:29:58 AM

Last edited by: Ste39 at: 6/17/2015 8:43:06 AM

Last edited by: Ste39 at: 6/17/2015 8:49:16 AM

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Modbus Rtu 485 and Rtu 232

Created by: engr_Ahmed at: 6/17/2015 7:53 AM (1 Replies)

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2 Entries

engr_Ahmed

Ste39

Last edited by: Ste39 at: 6/17/2015 8:29:58 AM

Last edited by: Ste39 at: 6/17/2015 8:43:06 AM

Last edited by: Ste39 at: 6/17/2015 8:49:16 AM

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