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iControl Circuit Board Quick References
iControl AC
6
ICE-RG-2 Rope Gripper Board
The Rope Gripper board monitors and resets a rope gripper (emergency brake). The board is
used in both AC and DC iControls.
Figure 6.13 ICE-RG Rope Gripper Board
Figure 6.14 Simplified Rope Gripper Operation
Table 6.18 Rope Gripper Board Connections
Connector Signal Connector Signal
RG1:120VAC to RG power supply
1: Common
RG2: RG power supply return 24x2: 18VAC in
RG5:120VAC=rope gripper OK 0V=rope gripper tripped 24: 18 VAC in
RG7: 120VAC signal to rope gripper 2: 120VAC in
Test Points
Ground, +3.3V, +5V, +24V
Fuse FRG, 1/10A, MDQ
Fuse F2EB, 4A, MDQ
Reset button
Fault indicator
Safety Processor A and B
query indicators
RG1
RG2
RG5
RG7
Rope Gripper Power Supply
120VAC
120VAC
Closed = Rope Gripper Retracted
Open = Rope Gripper Actuated
Manual switch:
Open = manual operation, rope gripper disabled
Closed = normal operation, rope gripper enabled
Rope Gripper
RG OK Safety A
RG OK Safety B
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