RDR2S-A and I8O4 Hardware Installation Technical Specifications
24-10239-596 Rev. D
36
TECHNICAL SPECIFICATIONS
The terminal is expected to operate at moderate temperature variation, non-
condensing humidity variation, moderate vibration, and possible dust
contamination.
Item Specification
Input Power +12 to +24VDC or 16 to 24VAC at 24W
Reader Interface 2-wire Wiegand
1
(up to 256 bits)
12VDC, 250mA (typical), 500mA (peak)
Red indicator
Green indicator
1. The RDR2S-A does not support 1-wire Wiegand readers.
General Purpose Inputs Resistive load
Relay Outputs 1A max. 0-24VDC/VAC, 25VA max.
Red LED/Green LED Outputs
2
2. IMPORTANT: These open collector outputs can be damaged with the use of alternating current (AC) poten-
tials as low as 1VAC. The LED outputs can only be connected to direct current (DC) loads up to 24VDC.
50mA max. 0-24VDC
Communications 2 or 3-wire RS-485
Certifications FCC, Class B
CE Mark
C-Tick
Mounting Specifications DIN rail
Flat surface
Dimensions 5.7 H x 5.9 W x 2.2 D inches (14.4 cm x 15.0 cm x 5.5
cm)
Ambient Temperature 32º to 122ºF (0º to 50ºC)
Humidity 10 to 85% non-condensing
Ventilation Cabinets require free movement of air over all
exposed surfaces
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