The Control Board - HP E1135C Operating And Service Manual

The Control Board

The Control Board contains circuitry that:


monitors 2-phases (if available) of the ac mains voltage


implements the Emergency Shutdown and mains/branch/sub-branch functions


controls the contactor to energize the switched outputs.
The Control Board is shown in Figure 6.
J3 - To the contactor
J4 - To the ac mains
S2 - Main/Branch Switch
Main
Branch
115V
230V
Figure 6. The Control Board
HP E1135C POWER DISTRIBUTION UNIT Rev. C
J2 - Main/Branch
control, Line/EMO
Error Indicator
J1 - Outputs Enable
Switch, Output Indicator
S1 - 115 / 230 V
switch
BOARD.WPG
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