Keyscan Inc. – Technical Guide (PC109x - 07.15)
WIEEX2 (RS485) - Installation Notes
Existing 22 AWG UTP can be used between a WIEEX2 transmitter and receiver provided it is in good condition
without breaks or high impedance splices. Nominal resistance for 22 AWG UTP is approximately 18 ohms/1000
feet.
Short J1 on the WIEEX2 transmitter and receiver.
Connect the WIEEX2 transmitter (TX) to the reader, door contact, request-to-exit device, auxiliary input, and
door lock, whichever are applicable.
Connect the WIEEX2 receiver (RX) to the appropriate ACU terminals.
Power the transmitter with a 12 VDC 1 Amp power supply, if a local power supply is required and not sourced
from the ACU.
The door unlock output (RA2/OC) is defaulted for 'fail safe'. If 'fail secure' is required on a WIEEX2 (firmware
6.00 or higher), connect RB4 on the receiver to the ‘normally closed’ position on the ACU lock relay.
The WIEEX2 transmitter (TX) can control a lock device or relay to a maximum of 12 VDC, 500 mA.
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