Current Ratings; Table 29 - Circuit Board Current Ratings - Keyscan CA250B Technical Instructions

Current Ratings

The following table outlines Keyscan door and elevator control board, communication board, output relay
board, and specialty communication board current ratings. Use the current calculation worksheet on the next
page for determining power supply requirements. Ratings are based on 12 VDC. Do not exceed the
recommended operating maximum of a power supply. See tables for Keyscan, HID and Indala reader
voltage/current ratings.
Circuit Board Type
Control Boards
Output Relay Boards
Communication Boards
Specialty Boards
Keyscan Inc. – Technical Guide (PC109x - 04.15)
Table 29 – Circuit Board Current Ratings
Models
CA250B
CA4500B
CA8500B
EC1500B
EC2500B
OCB-8
CIM
CIM-LINK
NETCOM2
NETCOM2P or NETCOM6P
IOCB1616
WIEEX2 Transmitter (Tx)
WIEEX2 Receiver (Rx)
Current Rating
130 mA
130 mA
130 mA
130 mA
130 mA
230 mA
150 mA
150 mA
270 mA
140 mA
400 mA
50 mA
50 mA
135