Cod. 970073EIPb V04_21
VOUT-
AUX+
AUX-
VIN+
VIN-
A
B
Note: Following terminals are replicated two/four times on the expander. The letter "x" in terminal
name indicates door number (1-2 EXP2D) and (1-4 EXP4D).
VDRx+
VDRx-
TMLx+
TMLx-
Ax
Bx
LCKx
BELLx
DCx
DRx
13.8Vdc/0.2A output power negative pole. Connect to AUX - of the
AC-MAX_CU Control Unit.
13.8Vdc/0.2A output power positive pole
13.8Vdc/0.2A output power negative pole
13.8Vdc input power positive pole. Connect to the output of the
PWR2D / 4D to the positive pole.
13.8Vdc input power negative pole. Connect to the output of the
PWR2D / 4D to the negative pole.
RS485 input communication bus, line A. Connect to line A1 of the AC-
MAX_CU Control Unit. (If there are RS485 fingerprint reader)
RS485 input communication bus, line B. Connect to line B1 of the AC-
MAX_CU Control Unit. (If there are RS485 fingerprint reader)
13.8Vdc/1.0A output power positive pole
13.8Vdc/1.0A output power negative pole
13.8Vdc/0.2A output power positive pole
13.8Vdc/0.2A output power negative pole
RS485 output communication bus, line A (If there are RS485
fingerprint reader)
RS485 output communication bus, Line B (If there are RS485
fingerprint reader)
Transistor (open collector) output door lock
Transistor (open collector) output signal
Parametric input. Door Contact
Parametric input. Push Button
LCK Lock
BELL Bell
DC Door contact
DR Door release
EN
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