Publication 1769-UM002B-EN-P - July 2005
2-16 Installation and Wiring
Wiring the Finger-Safe Terminal Block
When wiring the terminal block, keep the finger-safe cover in place.
1. Loosen the terminal screws to be wired.
2. Begin wiring at the bottom of the terminal block and move up.
3. Route the wire under the terminal pressure plate. You can use the bare
wire or a spade lug. The terminals accept a 6.35 mm (0.25 in.) spade lug.
4. Tighten the terminal screw making sure the pressure plate secures the
wire. Recommended torque when tightening terminal screws is 0.68 Nm
(6 in-lbs).
Wire Size and Terminal Screw Torque
Each terminal accepts up to two wires.
Table 2.4 Terminal Wire Considerations
TIP
The terminal screws are non-captive. Therefore, it is
possible to use a ring lug [maximum 1/4 inch o.d. with a
0.139 inch minimum i.d. (M3.5)] with the module.
TIP
If you need to remove the finger-safe cover, insert a
screwdriver into one of the square, wiring holes and gently
pry the cover off. If you wire the terminal block with the
finger-safe cover removed, you will not be able to put it
back on the terminal block because the wires will be in the
way.
Wire Type Wire Size Terminal Screw
Torque
Retaining Screw
Torque
Solid Cu-90°C (194°F) #14 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)
Stranded Cu-90°C (194°F) #16 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)
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