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doubt to take a reading in Magnetic scale

1/7/2013 7:30 AM	Rate (0)
paranthaman_m Bronze Member Joined: 6/29/2011 Last visit: 12/20/2025 Posts: 128 Rating: (0)	Dear All , Am having s7-200 cpu 226 ,i want to take magnetic scale reading,but i don't know how to do that because magnetic scale have 9 pin 'D' connector rs422,please help me to solve this , i attach the magnetic scale data sheet Attachment MAGNETIC ENCODER DETAILS.JPG (230 Downloads)
	PARANTHAMAN
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1/7/2013 8:06 AM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Take alook atReceivingRS422signals‎ . I hope that discussion to clarify for you what is need there at least. Best regards, Hristo Mihalev

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1/7/2013 8:21 AM	Rate (0)
paranthaman_m Bronze Member Joined: 6/29/2011 Last visit: 12/20/2025 Posts: 128 Rating: (0)	hello UMENCHO, Actually the problem is some what big , 1.i have cpu226 and 1----8 channel DI, 1----8Channel DO,1---4/1 AI/AO I planned to connect the magnetic scale as a HSC ,BUT the magnetic scale have default rs422 port now what can i do .
	PARANTHAMAN
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1/7/2013 9:24 AM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, You must use a level converter, like this one TTL to HTL Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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1/9/2013 6:49 AM	Rate (0)
paranthaman_m Bronze Member Joined: 6/29/2011 Last visit: 12/20/2025 Posts: 128 Rating: (0)	dear Marcjan, Please see my above attachment of Magnetic scale data sheet in that i have 9 pin 'D' connector details , if i connect pin 3--vcc,pin 5--GND,pin 6 +A ,can i get continous pulses
	PARANTHAMAN
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1/10/2013 9:00 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Yes you will get pulses, but not pulses you can use. The PLC needs 24V pulses, the encoder (powersupply 5V) gives 1V pulses. You really need a level converter to use this encoder with the high speed inputs of your PLC. regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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