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s7 1200 cb1241 ccommunication problem

Created by: BALAKRISHNAN92 at: 4/27/2015 1:27 PM (6 Replies)

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4/27/2015 1:27 PM	Rate (0)
BALAKRISHNAN92 Silver Member Joined: 10/21/2013 Last visit: 3/15/2025 Posts: 421 Rating: (28)	Hi , Module: CB 1241 (RS 485) 6ES7 241 1CH30 1XB0. V1.0 Block: mb comm load. V2.0 Block: mb master. V2.1 I'm able to communicate with all other meters except E&H flowmeter...I have checked all the settings..I'm not getting any error code also ...I have heard to use higher version modules and block version pls any suggestions??? I'm using v13 ...

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4/27/2015 1:53 PM	Rate (0)
eisenpferdreiter Posts: 1058 Rating: (93)	BALAKRISHNAN92 Hi , Module: CB 1241 (RS 485) 6ES7 241 1CH30 1XB0. V1.0 Block: mb comm load. V2.0 Block: mb master. V2.1 I'm able to communicate with all other meters except E&H flowmeter...I have checked all the settings..I'm not getting any error code also ...I have heard to use higher version modules and block version pls any suggestions??? I'm using v13 ... How many meters are you communicating to? With RS 485 there is a limit of 32. Does E&H flowmeter support modbus? Look here for additional information: How do you establish a MODBUS-RTU communication with STEP 7 (TIA Portal) for the SIMATIC S7-1200? regards
eisenpferdreiter Posts: 1058 Rating: (93)
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4/27/2015 4:12 PM	Rate (0)
BALAKRISHNAN92 Silver Member Joined: 10/21/2013 Last visit: 3/15/2025 Posts: 421 Rating: (28)	Hi, Yes it support modbus and we communicating only six device ..remaining meter its communicating ...E&H people took the data in laptop in modbus in their software...its not working with our PLC..

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4/27/2015 5:09 PM	Rate (0)
eisenpferdreiter Posts: 1058 Rating: (93)	Have you checked adresses and if proper protocol ? regards
eisenpferdreiter Posts: 1058 Rating: (93)
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4/27/2015 5:16 PM	Rate (0)
BALAKRISHNAN92 Silver Member Joined: 10/21/2013 Last visit: 3/15/2025 Posts: 421 Rating: (28)	Yes checked that it is 40156 ... Do we have any hardware update for cb1241 or cm1241...

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5/4/2015 2:02 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello Balakrishnan, does the device expect a distinct UNIT ID? Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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5/28/2015 2:27 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122)	New question published by pakplc is split to a separate thread with the subject S7-1200 CB1241 Modbus communication with Teco Servo Drive. Best regards Min_Moderator

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