Table 14 - Acu Supply - Current Calculation Table; Table 15 - Aux Rdr Supply - Current Calculation Table - Keyscan CA250B Technical Instructions

ACU Supply
Add-on board #1
Add-on board #2
Add-on board #3
Add-on board #4
Add-on board #5
Add-on board #6
Add-on board #7
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 reader tables in the appendices for 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 that are to be 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.
Readers – type 1
Readers – type 2
Add-on board #1
Add-on board #2
Add-on board #3
Add-on board #4
Keyscan Inc. – Technical Guide (PC109x - 04.15)

Table 14 - ACU Supply - Current Calculation Table

Product Description
Control Board (CA250B, CA4500B, CA8500B, EC1500B,
EC2500B)
Total current draw
Maximum current draw

Table 15 - AUX RDR Supply - Current Calculation Table

Model
Product Description
Total current draw
Maximum current draw
mA Quantity
x
x
Current Rating
130
mA
mA
mA
mA
mA
mA
mA
mA
mA
1000
mA
Current Rating
= mA
= mA
mA
mA
mA
mA
mA
mA
1000
mA
81