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Use one single analog sensor for 2 PLCs

7/8/2011 2:43 AM	Rate (0)
Siavash Aghdaie Posts: 2 Rating: (0)	I have a serious problem here with two PLCs , S7-400 and S7-200. The problem is, I have a single sensor which I need to connect to both 400 and 200 CPUs. Unfortunately I have no possibility to make a network because 400 DP and MPI ports are already reserved for communicating with other PLCs and the port on the 200 is reserved for a HMI. I thought I can import the analog signal to s200 and send it to the s400 using the analog output card (232-0Hd22). But I don’t know if it’s possible to use an output module on the s200 as an input for an input module on a s400. Please help… By the way, the connection on the S200 output includes 3 terminals (M0 V0 I0) but the analog input card on the s400 includes only 2 wires (A+ A-)
Siavash Aghdaie Posts: 2 Rating: (0)
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7/8/2011 5:30 AM	Rate (0)
Ammy Posts: 1525 Rating: (159)	Siavash Aghdaie I have a serious problem here with two PLCs , S7-400 and S7-200. The problem is, I have a single sensor which I need to connect to both 400 and 200 CPUs. Unfortunately I have no possibility to make a network because 400 DP and MPI ports are already reserved for communicating with other PLCs and the port on the 200 is reserved for a HMI. I thought I can import the analog signal to s200 and send it to the s400 using the analog output card (232-0Hd22). But I don’t know if it’s possible to use an output module on the s200 as an input for an input module on a s400. Please help… By the way, the connection on the S200 output includes 3 terminals (M0 V0 I0) but the analog input card on the s400 includes only 2 wires (A+ A-) It is better if you used the Signal Isolater with 2 Output 4-20mA type, you will find in the following make P & F, MTL or Phoenix Contact. This is the low cost solution .....
Ammy Posts: 1525 Rating: (159)
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7/10/2011 5:56 AM	Rate (0)
Luay Khoury Posts: 40 Rating: (0)	You can use the analoge output module on S7-200 to send signal to S7-400 and about the connection if you need 0-20 mAmps you take between M0 and I0 and if you need 0-10 volt signal take M0 and V0 i hope that help
Luay Khoury Posts: 40 Rating: (0)	Last edited by: Luay Khoury at: 7/10/2011 5:56 AM
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7/10/2011 4:06 PM	Rate (0)
Siavash Aghdaie Posts: 2 Rating: (0)	Tahnk you all for your very useful replies and time. the problem is solved.
Siavash Aghdaie Posts: 2 Rating: (0)
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7/11/2011 5:31 AM	Rate (0)
Ammy Posts: 1525 Rating: (159)	Siavash Aghdaie Tahnk you all for your very useful replies and time. the problem is solved. Hi Siavash Aghdaie, Please Share how you have solved the Problem... So other one also know
Ammy Posts: 1525 Rating: (159)
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