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We have 5 2 wire mA signals, and the rest of the inputs are spare. I’m stuck in between wiring the panel to the drawings not knowing what’s connected at the other end: Making links for 14 terminals is both time consuming and costly! This contribution was helpful to 6ew7331 thankful Users Towome Markriko. Currently trying to commission a Siemnes PLC and analogue card as above, can some please tell me if the wiring diagram is correct.
You have to configure 2 wire or 4 wire along with voltage or current input in hardware configuration to read signals correctly. Cheers, everyone for the help. When the transducer have thier power-supply not from the AI-Module through the wires for the measurement, it is a 4-wire-transducer. If for four wire you need to link all the negative sides of the signal to -ve, then why not do it within the square setting block 7k02 have to put in position to select the signal type.
Anyhow, I’m off to switch the wiring around, and hope there’s been no damage to the card. Hi new to Siemens so please be gentle.
Siemens SIMATIC S7-300 6ES7331-7KF02-0AB0
Data Sheet and Wiring Manual chapter 5. I think I’ve discovered the issue we might be having, the unit was installed to the drawings 7lf02 were issued, 6es77331 I’m pretty certain it’s a 4-wire system on the other end of the cables and not a 2-wire as the drawings suggest!
Once again thanks for helping out. This contribution was helpful to 1 thankful Users Markriko. This was indeed the problem, the drawing was for 2 wire, in reality the system was 4 wire!!
Siemens 6ES7 KFAB0 I/O Module | eBay
This is universal card. Site Explorer Site Explorer. I’d see the connection diagram beforebut it didn’t show what to do with unused channels and I thought this might be the problemthe “manual” download does show how to wire these, so thanks for that.
There is no bad feedback! I’m afraid this is what comes when too many people are involved with a project. Thanks everyone for your help. Follow us on Twitter Youtube. Hi, This is universal card.
New question published by tammu is split to a separate thread with the subject connect Th two wire transmitter with external power supply to 7KF02 AI module. Product Support Services Forum mySupport. I’ll post later and let you know how I got on. Attachment Siemens Analogue Card. Surely it wouldn’t be too 6ees7331 to enable monitoring on a per channel basis.
We only have five signals, so according to the manual I need to shot out unused inputs, 7kff02 the channel 5 again why start at 0!! I have to say, Siemens don’t make it easy! Check also if the measuring range module is pluged right.