Removing A Module - OPTO 22 SNAP-PAC-R1 User Manual

3. With the module correctly aligned
over the connector, push on the
module to snap it into place.
When positioning modules next
to each other, be sure to align the
male and female module keys
(shown in the detailed view in the
illustration at right) before
snapping a module into position.
Modules snap securely into place
and require a special tool
(provided) to remove them. To
remove a module, see the next
section.
4. (Optional) Use standard 4-40 x 1/4
truss-head Phillips hold-down
screws to secure both sides of each module.
5. Plug the wiring connector into each module to attach modules to the devices they
monitor.
See the wiring diagrams in the module's data sheet.
6. Continue with "Installing the Controller" on page

Removing a Module

1. If the modules are held in place with
screws, remove them.
2. Holding the SNAP module tool
(provided) as shown in the illustration
at right, insert it into the notch at the
base of the module.
3. Squeeze the module tool against the
module to open the release latch, and
pull straight up on the module to
remove it.
CHAPTER 2: INSTALLATION
Module keys
Do not over-tighten screws.
10.
SNAP PAC R-Series Controller User's Guide
Optional hold-
down screws