Keyscan CA250B - Appendix D - WIEEX2; WIEEX2 Cables and Distances

Keyscan Inc. – Technical Guide (PC109x - 04.15)
120
Appendix D – WIEEX2
Appendix D reviews general information, installation guidelines, and connection diagrams for Keyscan RS485
Wiegand extenders (WIEEX2). Wiegand extenders are used on doors and readers that exceed the 500 feet
maximum distance from the ACU. When installing the WIEEX2 extenders please check the version and observe
the corresponding wiring diagram. Each Wiegand extender – WIEEX2 – includes 1 transmitter and 1 receiver.
The following additional components may be required to complete the installation:
 12VDC 1 Amp power supply with battery backup
 mounting interface enclosure
Important
Do not mix WIEEX2 (firmware 6.00 or higher) receivers and transmitters with previous generation or
WIEEX (firmware 5.03 or lower) receivers and transmitters.
WIEEX2 Functions
The following table outlines the functions and capabilities of WIEEX2 extenders.
Table 23 – WIEEX2
WIEEX2
Functions/Capabilities
WIEEX2 – (firmware 6.00 or higher)
- 26 bits to 80 bits
- multi-baud rates 9,600 & 19,200
- supports Present3
- PIN keypad transmission
- 4 & 8 bit burst
Table 24 – WIEEX2 Power Requirements
Unit
Power
Notes
WIEEX2 Transmitter (TX)
12 VDC, 50 mA
WIEEX2 Receiver (RX)
12 VDC, 50 mA
OCB-8
12 VDC, 230 mA
Optional – An OCB8 is required when not switching a 12VDC door lock
or gate operator. See Figure 86 – WIEEX2 to OCB-8 Cable Connection
on page 124.
Table 25 – WIEEX2 Cables and Distances
Unit Connections
Maximum Distance
Cable
WIEEX2 transmitter (TX) to reader
500 feet (152.4 m)
Refer to Table 1 – Cable Requirements - Readers
WIEEX2 transmitter (TX) to receiver (Rx)
4000 feet (1219.2 m)
CAT 5 - 1 twisted pair (communication)
1 pair 18 AWG power if no local independent power
supply
WIEEX2 receiver (RX) to ACU
500 feet (152.4 m)