13
4. DDC-22 WALL CONTROLLER
4.6.8 CHAIN DRIVE SAFETY BRAKE WIRING
The actuation of a Safety Brake is required in the event of a drive chain breakage, to prevent the curtain from falling.
If using this controller in conjunction with the GCDO-45-23 chain driven operator a mechanical safety brake must be
wired into E-Stop 1 on Pins 41 and 42.
Use to following connection to wire the Safety Brake.
PIN 42
PIN 41
4.6.9 INSTALLING AN ETERNAL SAFETY BRAKE
Refer to D-Drive Operator Manual for details on the mechanical installation of an External Safety Brake. Use to following
connection to wire the Safety Brake.
Alternatively, the Safety Brake can be wired directly into the Encoder (on the operator side) as shown below:
Note: Wire Safety Brake Switch in series with existing switches.
4.6.10 INSTALLING AN E-STOP INPUT LINK WIRE IF NOT USING A SAFETY BRAKE
CAUTION
In the event that an external Safety Brake is not installed (on
Direct Drive models) a link wire is required at E-Stop 1 (bridge
terminals 41 and 42) to enable operation of the unit.
4.6.11 FERRITE INSTALLATION
Ferrite chokes are not required to be installed on Contactor models.
PIN
INPUT
DESCRIPTION
42
E-Stop 1
Emergency Stop EXT 12
41
E-Stop 1
Emergency Stop EXT 11
4.6.12 COMPLETING SET-UP
Mains and operator wiring is now complete.
Proceed to the section for Entrapment Protection Devices or Commissioning to complete set-up.
It is recommended that an External Brake is installed on all
Chain Drive installations.