Rockwell Automation 1336_F_E_T_S SERIES A CHOPPER BRAKE MODULE User Manual
Page 4
Heavy Duty Dynamic Braking
4
1336-5.65 — March, 2007
Figure 1
Schematic of Chopper Module and Dynamic Brake Resistor
Chopper Modules are designed to be applied in parallel if the current rating
is insufficient for the application. One Chopper Module is the designated
Master Chopper Module, while any other Modules are the designated
Follower Modules.
Two lights are provided on the front of the enclosure to indicate operation.
•
DC Power light illuminates when DC power has been applied to the
Chopper Module.
•
Brake On light flickers when the Chopper Module is operating
(chopping).
Bus Caps
Bus Caps
Crowbar
SCR
Signal
Common
Dynamic
Brake
Resistor
Chopper
Transistor
Chopper Transistor
Voltage Control
To
Voltage
Control
To
Voltage
Control
To
Voltage
Control
To
Crowbar
SCR Gate
Fuse
– DC Bus
+ DC Bus
Fuse
To
Voltage Dividers
Voltage
Divider
Voltage
Divider
FWD
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