Troubleshooting
6-102 Manual # 42-02-7223
ICE-LCB Low Current Brake Board
Most iControls use the iField brake module for precise control of brake picking, holding, and
application. If the requirements of the job permit, the Low Current Brake board may be used
instead to provide simple brake pick and hold control. If used, the Low Current Brake board is
usually mounted on the right wall inside the iPower Box. Brake adjusting components (resis-
tors, capacitors, diodes) may be “wired in” to the board circuitry using AWG 18 wire and on-
board screw terminals to modify the performance of the circuit. The job prints will show the
Low Current Brake board connections clearly if it is used.
Table 6.19 Low Current Brake Board Signals
Signal Use
B2 -, B1+ Brake voltage feedback signals to iControl Safety Board.
BKX1, BKX2 110VAC (typical) inputs to Low Current Brake Board rectifier.
BKD1 Brake Diode D1 cathode (used to include D1 in the circuit)
B2MCE Used to include external components in the circuit
FBS1 Brake Diode D1 anode (used to include D1 in the circuit)
FBS2 Used to include external components in the circuit
BK2 Used to include external components in the circuit
BK1 Used to include capacitor C1 in the circuit
B1 Positive voltage output to brake coil via controller B1 terminal
B2 Return from brake coil via controller B2 terminal
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