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Last Post 08/06/2013 3:42 PM by  Tony Hodges
CR6240-500-50 question
 1 Replies
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Tim Yau
New Member
New Member

07/29/2013 5:21 PM

    I'm trying to add a CR6240-500-50 inside an Allen Bradley MCC bucket. Due to space constraint, the transducer is mounted after the overload relay. Should I feed pin 1, 2, and 3 of the transducer with 3-phase 480VAC after the overload relay (see Option1) or after the circuit breaker (see Option2)? My concern is if the starter is off, would the transducer still be generating the 4mA output? I'm not sure if the transducer needs the 480VAC to generate its 4-20mA output or if it's solely from 24VDC supply.

    Tony Hodges
    CRM Staff
    Basic Member
    Basic Member

    08/06/2013 3:42 PM
    Dear Sir,

    Placing the sensor after the overload relay is probably the correct configuration. In this way, you will only be measuring the load from the motor. The 4 mA output is generated exclusively from the 24 VDC supply, so this should be the correct configuration.
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