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SM 335 question

Created by: Raffy at: 4/30/2013 8:17 AM (6 Replies)

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4/30/2013 8:17 AM	Rate (0)
Raffy Posts: 209 Rating: (2)	Hi Experts, I need to confirm something... Can I use a 2 wire-transducer(current transducer)on a SM 335 analog input??although in the HW config it says that only 4-wire-transdsucer is to be used??.. I'm using SM 335 7HG02....and using a omron ZX-LD300(Laser Sensor)and its amplifier ZX-LDA41-N which has an output of 4-20mA.... Best regards, Raffy
Raffy Posts: 209 Rating: (2)
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4/30/2013 8:42 AM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 2/19/2024 Posts: 726 Rating: (71)	Hi SM335 has 8 channels, out of which 4 are input and 4 are output. Among 4 inputs 2 channels are fixed as Voltage inputs whereas remaing 2 channels can be configured as current or voltage. So you can connect your transducer to 3rd or 4th channel of AI card after configuring it as current (4-20mA) in hardware configuration. Attached file gives necessary information. And over herecomplete manual. Regards Manmeet Attachment SM335.pdf (71 Downloads)

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4/30/2013 8:48 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707)	Hi Raffy, Have a look page 11,14.etc.. S7-300 SM 335 - Siemens Industry Online Support

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4/30/2013 9:23 AM	Rate (0)
Raffy Posts: 209 Rating: (2)	Ok now I get it..thanks guys...
Raffy Posts: 209 Rating: (2)
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4/30/2013 9:47 AM	Rate (0)
Raffy Posts: 209 Rating: (2)	Guys, My next problem is that I get SF led when I set the HW config to 2 Voltage inputs and 2 4 wire-transducer.... How would I solve this problem?? do i need to pull out the range measuring module and put it to C?? because as of now it is at the D side...
Raffy Posts: 209 Rating: (2)
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4/30/2013 10:06 AM	Rate (0)
Ste39 Platinum Member Joined: 1/21/2013 Last visit: 9/4/2024 Posts: 4620 Rating: (707)	Hi you can read the diagnostic buffer? or look at page 15 for correct function Hope this help
	Last edited by: Ste39 at: 4/30/2013 10:14 AM
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This contribution was helpful to 1 thankful Users Raffy

4/30/2013 11:08 AM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 2/19/2024 Posts: 726 Rating: (71)	Hi Raffy If one channel is voltage and other at current then module needs to be set at position 'A'. Refer to part of manual attached. Regards, Manmeet. Attachment SM335_A.pdf (52 Downloads)

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