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GFK-0825F Chapter 3 Installation 3-7
3
Installing the Bus Interface Unit Terminal Block on the DIN Rail
1. Tilt the Bus Interface Unit Terminal Block and position it over the rail, as shown below left,
catching the rail behind the tabs in the terminal block.
2. Pivot the terminal block downward until the spring-loaded DIN rail latches in the terminal
block click into place.
DIN
rail
tabs
12
3. Tighten the DIN rail clamp screw (see below left). Recommended torque is 4 to 6-in/lbs.
Pry
Upper
latch
Installing the BIU
Terminal Block
Removing the BIU
Terminal Block
Pry
Lower
latch
Tighten Loosen
Removing the Bus Interface Unit Terminal Block from the DIN Rail
1. Loosen the clamp screw.
2. Insert a small flat-blade screwdriver into the upper latch and pry it outward. Then, pull up gently
on the top of the terminal block to disengage the upper latch from the rail.
3. Keep gently pulling the top of the terminal block away from the rail. Insert the screwdriver
into the lower latch and pry it outward to free the terminal block.