Nedap uPASS Access - Connections; Power supply

uPASS Access | installation guide
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3 Connections
The uPASS Access is supplied with a 5 meter (15 feet) shielded cable with 12 multi-color wires.
RED
Power supply 12 - 24VDC.
BLACK
Power supply 0VDC, DC-Ground.
BROWN
RS485 A (-)
GREEN
RS485 B (+)
GRAY
Data-0 / Clock
PINK
Data-1 / Data
YELLOW
Tamper switch (normally closed)
GRAY/PINK
Tamper switch (common)
RED/BLUE
LED_UL_IN (UL = unlock)
WHITE
LED_NA_IN (NA = not authorized)
PURPLE
Nedap antenna interface. RFMOD antenna modulation (ANT/HF+).
BLUE
Beeper_IN
SHIELD
Shield connected to DC-ground. Connect to metal case of the external device.
3.1 Power supply
The uPASS Access requires DC power supply in the range from 12 – 24V.
Maximum current consumption is 1A @ 12VDC, 1A @ 24VDC.
Connections
RED
Power supply 12 - 24VDC.
BLACK
Power supply 0V / DC-ground.
SHIELD
Shield connected to DC-ground. Connect to metal case of the external device.
Notes
• The minimum voltage at the end of the included cable shall be greater than 12VDC.