OPTO 22 SNAP PAC SNAP-IT-PM Series, Руководство по установке

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CHAPTER 1: SNAP PAC SNAP-IT-PM INSTALLATION GUIDE
Form 1698-070427—SNAP PAC SNAP-IT-PM Installation Guide 7
7
Removing a Module
To remove a module from the SNAP-IT unit,
you must use the SNAP module tool
(provided).
1. Unplug power to the SNAP-IT unit.
Remove the small white fuse from the
module mounting rack.
WARNING: Make sure there is no power to
the rack before continuing, or you may
severely damage the module.
2. If the modules are held in place with
screws, remove them.
3.
Holding the SNAP module tool as
shown in the illustration at right, insert
it into the notch at the base of the
module.
4. Squeeze the module tool against the
module to open the release latch. Pull
straight out on the module (the opposite direction from the rack) to remove it.
5.
When you have finished removing and installing modules, replace the small white fuse on the
module mounting rack and plug power back into the SNAP-IT unit.
Notes on Maintenance and Troubleshooting
Instructions for maintenance and troubleshooting are in the PAC Manager User’s Guide and in the
controller or brain user’s guide.
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