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Diagnostics Message on 6ES7321-7BH01-0AB0

Created by: anuchisa at: 12/24/2011 6:09 PM (1 Replies)

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12/24/2011 6:09 PM	Rate (0)
anuchisa Advanced Member Joined: 10/15/2010 Last visit: 9/20/2024 Posts: 36 Rating: (0)	Hi all, 1) On the digital input card 6ES7321-7BH01-0AB0, if I didn't connect shunt resistor 10Kohm to the input contact. Then, we can't monitor the wire break detection. However, I still would like to know that .... what kind of diagnostic message that I still can have from "each channel" diagnostic? 2) If the optocoupler of channel 1(inside the DI card) is damaged. , is there any diagnostic message show that channel1 is fail ? 3) I noticed that there are 2 opto-couplers for each chanel. Is this the design for checking the failure of one optocoupler (Inconsistency Check) ?? Best Regards Anuchit S.

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12/26/2011 10:01 AM	Rate (0)
Jazz_M Gold Member Joined: 9/6/2008 Last visit: 5/7/2022 Posts: 1121 Rating: (86)	anuchisa Hi all, 1) On the digital input card 6ES7321-7BH01-0AB0, if I didn't connect shunt resistor 10Kohm to the input contact. Then, we can't monitor the wire break detection. However, I still would like to know that .... what kind of diagnostic message that I still can have from "each channel" diagnostic? 2) If the optocoupler of channel 1(inside the DI card) is damaged. , is there any diagnostic message show that channel1 is fail ? 3) I noticed that there are 2 opto-couplers for each chanel. Is this the design for checking the failure of one optocoupler (Inconsistency Check) ?? Best Regards Anuchit S. Hello Please see the link for diagnostics Have fun...
	Jazz
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