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PLC for step coupler

2/11/2013 3:53 AM	Rate (0)
Ton Verra Gold Member Joined: 4/20/2007 Last visit: 9/1/2025 Posts: 731 Rating: (43)	Hi all, I am looking for a PLC that can handle a 3 point step controller, that drives a stepcoupler with up to 50 steps for element control of boilers. User has to be able to change setpoint and other controller settings on a small (touch)screen. I need 1 analog input, about 3 digital inputs and 8 digital outputs. In the past we used a seperate controller and a simple OMRON PLC. Our bigger systems contain a S7 300 PLC, but that would be a little bit overkill for a application like this. With all these new smaller/cheaper solutions coming out the last years, can any of you point me to a PLC series that would be suited for this? Ton

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2/19/2013 12:15 AM	Rate (0)
Ton Verra Gold Member Joined: 4/20/2007 Last visit: 9/1/2025 Posts: 731 Rating: (43)	Maybe I can rephrace this. I need a PLC, with about 8di, 8 do, 1 ai. And a simple HMI to show a process value and setpoint.. Is this possible to do with the 200 or 1200 series? suggestions?

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2/19/2013 7:56 AM	Rate (1)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	6AG1214-2AD23-2XB0plus CP243-1 (S7-200). 6AG1215-1AG31-5XB0 (s7-1200) Check specifications, specially the type of AI. Best regards, Hristo Mihalev
	Last edited by: UMENCHO at: 2/19/2013 8:00 AM
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This contribution was helpful to 1 thankful Users Ton Verra

2/19/2013 8:07 AM	Rate (1)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	Ton Verra Maybe I can rephrace this. I need a PLC, with about 8di, 8 do, 1 ai. And a simple HMI to show a process value and setpoint.. Is this possible to do with the 200 or 1200 series? suggestions? Hello, For S71200,You have option of selecting S71212 or S7 1214. There are different options as shown in the attachment.Their integral I/O also mentioned. For HMI,you can check the option onSTEP7 Basic and their online views here: 6AV6647-0AH11-3AX0 SIMATIC HMI KP300 BASIC MONO PN 6AV6647-0AA11-3AX0SIMATIC HMI KTP400 BASIC MONO PN Best regards Hamid Hosseini Attachment CPU_SEL.zip (391 Downloads)
	Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users Ton Verra

2/19/2013 1:39 PM	Rate (0)
Ton Verra Gold Member Joined: 4/20/2007 Last visit: 9/1/2025 Posts: 731 Rating: (43)	thanks both! I will check it out!

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This contribution was helpful to 1 thankful Users hdhosseini

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