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Can you get remote indication for ERMS maintenance mode
Issue:
Can you get remote indication for ERMS mode being active?

Product Line:
Circuit breakers

Resolution:
There are two ways to get remote indication that the trip unit is set to ERMS mode.
  1. Connect IO module output 3 (O3) to a relay instead of directly to the light on the lighted switch.
    Use one relay contact to illuminate the switch light per drawing. Use a second contact for remote signaling. See attached for switch ratings.
  2. Monitor register 808 at address 0x0327 with the BMS system.
    Bit 0 = 0: ERMS mode OFF
    Bit 0 = 1: ERMS mode ON
    See attached.

Schneider Electric USA

Attachment(s)
Registers for ERMS indication.pdf [90.73 KB]
Output Contact Ratings.pdf [91.28 KB]
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