Removing a Terminal Board
To remove a terminal board:
1. Open the plastic terminal board cover.
2. Push up on jacking lever to release the terminal block (Figure 2-4).
3. Grasp pull-tab toward you until contacts have separated from module housing and
hook has disengaged for full removal (Figure 2-5).
Figure 2-4. Releasing the Terminal Block
Figure 2-5. Removing a Terminal Board
Chapter 2 Installation and Wiring
Field Wiring Considerations
You should calculate the maximum current for each wire and observe
proper wiring practices. Failure to do so could cause injury to
personnel or damage to equipment.
It is recommended that the following procedures be followed when routing and
connecting field wiring from user devices to the PLC or to output devices to be
controlled by the PLC.
All low level signal wires should be run separately from other field wiring.
AC power wiring should be run separately from DC field wiring.
Field wiring should not be routed close to any device that could be a potential source
of electrical interference.
If severe noise problems are present, additional power supply filtering or an
isolation transformer may be required.
Ensure that proper grounding procedures are followed to minimize potential safety
hazards to personnel.
Label all wires to and from I/O devices. Record circuit identification numbers or
other pertinent data on the inserts for the module’s faceplate door).
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