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AI/AO Hardware Connection

6/28/2011 8:33 AM	Rate (0)
Pelikan11 Posts: 2 Rating: (0)	Hi, there are some connections which I think that can cause problem. "+ signal" was connected to the device(+ pole). But "- signal" was connected to the earth(shield). The system is still working. Does this type of connection correct? Will we experience a problem in the future?
Pelikan11 Posts: 2 Rating: (0)	Last edited by: Pelikan11 at: 6/28/2011 9:24 AM
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6/28/2011 10:44 AM	Rate (0)
Ammy Posts: 1525 Rating: (159)	Pelikan11 Hi, there are some connections which I think that can cause problem. "+ signal" was connected to the device(+ pole). But "- signal" was connected to the earth(shield). The system is still working. Does this type of connection correct? Will we experience a problem in the future? Hi Pelikan, Can you Please provied, which AI/AO input module is using So it is better to explain related to same module, Also Provied the Electrical Drawing ......
Ammy Posts: 1525 Rating: (159)
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6/28/2011 1:24 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, Check it there http://support.automation.siemens.com/WW/view/en/11966082. You will find a link to manual which is descibing wiring of all S7-300 modules. Best regards, Hristo Mihalev

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