890SD Standalone Drive
Page 5-28 890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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Step 4: Checking the System
In this section we are going to apply the 24V DC Control Supply and check the I/O operation of the 890's
by applying just a 24V DC Control Supply. If everything is okay, we'll be ready to apply the 3-phase supply
to the drive(s).
Pre-Operation Checks
Before Applying 24V DC:
If you have already wired the 3-phase supply to the 890SD Standalone Drive,
DISCONNECT IT NOW (remove the supply fuses, or trip the circuit breaker).
Check for damage to equipment.
Check for loose ends, clippings, drilling swarf etc. lodged in the drive and system.
Check all external wiring circuits of the system - power, control, motor and earth connections.
Ensure that other equipment will not be adversely affected by powering up.
Prepare to power-up the unit and system:
Fit the keypad(s) to the front of the unit(s), or connect remotely.
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