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Modbus RS485 RTU over S7-1500

1/24/2016 9:37 PM	Rate (0)
LReniers Experienced Member Joined: 7/25/2014 Last visit: 3/10/2025 Posts: 32 Rating: (0)	Hi guys, I have a tank gauging application . I need to communicate in modbus RTU with 6 field advices (Rosemount Hub 2410) . I would like choose the best solution to be 100% sure about the modbus communication . I have selected different configuration and I want to check it with you . 1) S7-1513 (6ES7513-1AL01-0AB0) with CM PTP RS422/485 HF MODULE (6ES7541-1AB00-0AB0) 2) S7-1513 (6ES7513-1AL01-0AB0) with decentralized SIMATIC ET 200SP, MODULE D'INTERFACE PROFINET IM155-6PN HIGH FEATURE (6ES7155-6AU00-0CN0) and 6 x SIMATIC ET 200SP, MODULE COMMUNIC. CM PTP POUR LIAISON SERIE RS422, RS485 ET RS232 (6ES7137-6AA00-0BA0) 3) S7-1512 (6ES7512-1DK01-0AB0) with 6 x SIMATIC ET 200SP, MODULE COMMUNIC. CM PTP POUR LIAISON SERIE RS422, RS485 ET RS232 (6ES7137-6AA00-0BA0 For you what is the best solution ? I read on this forum that I need to have a coupleur IM High Feature to communicate with PTP ET200SP module, It is right ??? Thanks for your help .

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6/10/2016 8:11 PM	Rate (0)
Lucky123 Gold Member Joined: 12/20/2008 Last visit: 8/12/2024 Posts: 556 Rating: (237)	LReniers Hi guys, I have a tank gauging application . I need to communicate in modbus RTU with 6 field advices (Rosemount Hub 2410) . I would like choose the best solution to be 100% sure about the modbus communication . I have selected different configuration and I want to check it with you . 1) S7-1513 (6ES7513-1AL01-0AB0) with CM PTP RS422/485 HF MODULE (6ES7541-1AB00-0AB0) 2) S7-1513 (6ES7513-1AL01-0AB0) with decentralized SIMATIC ET 200SP, MODULE D'INTERFACE PROFINET IM155-6PN HIGH FEATURE (6ES7155-6AU00-0CN0) and 6 x SIMATIC ET 200SP, MODULE COMMUNIC. CM PTP POUR LIAISON SERIE RS422, RS485 ET RS232 (6ES7137-6AA00-0BA0) 3) S7-1512 (6ES7512-1DK01-0AB0) with 6 x SIMATIC ET 200SP, MODULE COMMUNIC. CM PTP POUR LIAISON SERIE RS422, RS485 ET RS232 (6ES7137-6AA00-0BA0 For you what is the best solution ? I read on this forum that I need to have a coupleur IM High Feature to communicate with PTP ET200SP module, It is right ??? Thanks for your help . Hello, Can anyone respond for the question above, I am also looking for a moudle with S71500 which can communicate Rs485/422, Please advise.

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