Keyscan Inc. – Technical Guide (PC109x - 04.15)
Appendix A – Keyscan &
HID Readers
Appendix A reviews typical connections for Keyscan and HID readers. Wiring diagrams are on the following
pages. Refer to the appropriate diagram for specific reader connections. Be sure to use a cable that complies
with the reader’s wiring specifications.
Ensure that the total current draw of all readers connected to the control board’s reader terminals is within the
limit of the DPS-15 power supply; otherwise, you will require a separate power supply. Refer to the section -
DPS-15 Dual Power Supply – Current Calculation on page 80. Some readers require an independent power
supply as noted in the table.
Power Specifications
The following table outlines reader power specifications:
Table 20 – Keyscan & HID Reader Power Specifications
K-PROX2 & K-PROX SG(125 KHz
compatible)
Requires 18 AWG cable. Connect to separate 24 VDC 2
Amp linear power supply. (Not supplied with ACU)
HID iClass R90 – Long Range Reader
12 VDC, 1300 mA
24 VDC, 700 mA
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