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wiring def.

Created by: corleone at: 7/2/2013 6:59 AM (18 Replies)

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7/3/2013 11:13 AM	Rate (0)
@shish Bronze Member Joined: 9/16/2011 Last visit: 6/20/2024 Posts: 291 Rating: (6)	Dear corleone, If you are going to change the input wiring from current to voltage or voltage to current. Do not forget to change the channel type in Analog Module in Hardware Configuration. Reg, Ashish
	Reg, @shish --- If satisfied with reply, Rate it ! If problem solved, hit THANK !
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7/7/2013 11:25 AM	Rate (0)
SMHZ Bronze Member Joined: 10/19/2012 Last visit: 4/17/2022 Posts: 315 Rating: (9)	I am a beginner in PLC, but i think the diff b/w current & voltage wiring is that current wiring is done in series whereas voltage wiring is done in parallel with signal. Correct me if i am wrong!

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7/7/2013 11:30 AM	Rate (0)
AMAZINGAHMED Gold Member Joined: 8/27/2006 Last visit: 10/22/2024 Posts: 719 Rating: (88)	@shish Dear corleone, If you are going to change the input wiring from current to voltage or voltage to current. Do not forget to change the channel type in Analog Module in Hardware Configuration. Reg, Ashish According to the type of modules used, the 6ES7331-1KFxx needs only changing input type in H/W config, but the 6ES7331-7KFxx needs also changing the jumper position (which is found on the side of the module)
	The more you know, The more you know that you don't know
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7/7/2013 12:13 PM	Rate (0)
Ayman Elotaify Platinum Expert Joined: 5/28/2008 Last visit: 11/6/2024 Posts: 4516 Rating: (839)	SMHZ I am a beginner in PLC, but i think the diff b/w current & voltage wiring is that current wiring is done in series whereas voltage wiring is done in parallel with signal. Correct me if i am wrong! Dear SMHZ, If you have a circuit and you would like to measure a current using an ammeter, then you will connect it in series. If you have a circuit and you would like to measure a voltage using an voltmeter, then you will connect it in parallel. So, you are right. But as we do not know the internal circuit diagram of Analog modules, you have to follow the connection instruction divided inModule datafor each module. Hope this helps.
	Ayman Elotaify
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7/7/2013 12:19 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	one important point that no one has mensioned make sure you have a good shield that is well grounded according to the specs
playerslight Posts: 1064 Rating: (72)
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7/7/2013 12:53 PM	Rate (0)
BhaPraJ Silver Member Joined: 1/28/2012 Last visit: 7/23/2024 Posts: 519 Rating: (83)	AMAZINGAHMED @shish Dear corleone,If you are going to change the input wiring from current to voltage or voltage to current.Do not forget to change the channel type in Analog Module in Hardware Configuration.Reg,Ashish According to the type of modules used, the 6ES7331-1KFxx needs only changing input type in H/W config, but the 6ES7331-7KFxx needs also changing the jumper position (which is found on the side of the module) apart from above mentioned detail, 1. For 6ES7331-1KFxx, the pin wiring (U+ or I+) also needs to be change. . Where in 6ES7331-7KFxx, no need to change pin wiring. 2. For 6ES7331-1KFxx, Individual channel assignment is possible. . Where in 6ES7331-7KFxx, only group (consists 2 channel) assignment is possible. .
	Regards, BhaPraJ
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This contribution was helpful to 1 thankful Users AMAZINGAHMED

7/7/2013 1:38 PM	Rate (0)
m@nju Bronze Member Joined: 7/13/2009 Last visit: 10/7/2024 Posts: 137 Rating: (5)	Hello, Current level remains constant over the longer distances, where as voltage drops bcoz of resitance of the conductor. Also from the point of diagnostics with 4-20mA easy to detect wirebreak. So current is preferred for most of the applications.
	Thanks and Regards Manju
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7/8/2013 6:49 AM	Rate (0)
SMHZ Bronze Member Joined: 10/19/2012 Last visit: 4/17/2022 Posts: 315 Rating: (9)	Ayman Elotaify SMHZ I am a beginner in PLC, but i think the diff b/w current & voltage wiring is that current wiring is done in series whereas voltage wiring is done in parallel with signal. Correct me if i am wrong! Dear SMHZ, If you have a circuit and you would like to measure a current using an ammeter, then you will connect it in series. If you have a circuit and you would like to measure a voltage using an voltmeter, then you will connect it in parallel. So, you are right. But as we do not know the internal circuit diagram of Analog modules, you have to follow the connection instruction divided inModule datafor each module. Hope this helps. Thanks for increasig my knowledge..

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7/8/2013 6:49 AM
SMHZ Bronze Member Joined: 10/19/2012 Last visit: 4/17/2022 Posts: 315 Rating: (9)	Ayman Elotaify SMHZ I am a beginner in PLC, but i think the diff b/w current & voltage wiring is that current wiring is done in series whereas voltage wiring is done in parallel with signal. Correct me if i am wrong! Dear SMHZ, If you have a circuit and you would like to measure a current using an ammeter, then you will connect it in series. If you have a circuit and you would like to measure a voltage using an voltmeter, then you will connect it in parallel. So, you are right. But as we do not know the internal circuit diagram of Analog modules, you have to follow the connection instruction divided inModule datafor each module. Hope this helps. Thanks for increasing my knowledge..

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