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Installation Guide
Re-installing a Snap-in I/O Module
1. Line the circular guidelines on the controller up with the guidelines on the Snap-in I/O Module as
shown below.
2 Apply even pressure on all 4 corners until you hear a distinct 'click'. The module is now installed.
Check that all sides and corners are correctly aligned.
RS232/RS485: DIP Switch Settings
1
RS232*
ON
RS485
OFF
RS485 with
ON
termination**
*Default factory setting
**Causes the unit to function as an end unit in an RS485 network
Unitronics
Switch Settings
2
3
4
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
5
6
ON
OFF
OFF
ON
OFF
ON
7
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