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RAYCHEM-AR-H60624-40X0iOpsManual-EN-1905
2.6.14
Alarm Relay
The alarm relay (terminals 7,8,9 of TB3) is energized in the normal state (when there are no alarms),
and configured as Fail Safe. The alarm relay connections provide a Form C dry contact, rated at 277 V
maximum (3 A).
Figure 21 - Alarm Relay
2.6.15
Digital Inputs
The Elexant 4010i/4020i provides multi-purpose inputs (terminals 10,11,12 of TB2) for connection to
external dry (voltage-free) contacts or DC voltages for extending the functionality of the controller. Digital
Inputs support a maximum of 100 Ohm loop resistance or may be used with 5 to 24 VDC @ 1 mA maxi-
mum voltages.
Figure 22 - Digital Inputs
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