Keyscan Inc. – Technical Guide (PC109x - 07.15)
Table 23 - ACU Supply - Current Calculation Table
Control Board (CA250B, CA4500B, CA8500B, EC1500B,
EC2500B)
AUX RDR Supply – 1.2 A
Opposite readers, enter the model, the current rating multiplied by the number of readers and the total
current. Refer to the tables under Terminate Reader Cables for specific reader current ratings.
Opposite Add-on Board #, enter the name of the module in the Product Description column and the board’s
current requirement in the Current Rating column powered from the AUX RDR supply on the DPS-15. Keyscan
recommends a 200 mA reserve operating margin. The total current required from the AUX RDR supply should
not exceed 1000 mA.
Table 24 - AUX RDR Supply - Current Calculation Table
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