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PWM 0-15VDC

Created by: samsam1726 at: 5/27/2021 8:10 PM (1 Replies)

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5/27/2021 8:10 PM	Rate (0)
samsam1726 Posts: 2 Rating: (0)	Good Evening, I bought a "SIMATIC S7-1200, CPU 1212C" and I have a problem. I would like to use de signal PWM but for a range from 0 to 15VDC. I have already succeeded from 0 to 24VDC but I don't know how to adjust from 0(0%)-15(100%)vdc
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5/29/2021 8:01 PM	Rate (0)
CaOd Platinum Expert Joined: 5/6/2010 Last visit: 11/5/2024 Posts: 1988 Rating: (279)	Hello, it's not possible to output 0..15 V at the PWM output of the 1200. The "normally" output is 24 V. One way to solve your problem is that you use a solid-state-relay to switch your 15 V with the PWM-signal from the 1200. You can use e.g. Solid-state relay module - PLC-OPT- 24DC/ 48DC/500/W - 2900378 or Solid-state relay module - PLC-OPT- 24DC/ 24DC/10/R - 2900398 regards CaOd

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