Rievtech x-Messenger Series - Wiring EXM; Connecting the Power Supply

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All dimensions in mm
Bore hole for Ø M4 screw, tightening torque 0.8 to 1.2 Nm
1. x-Messenger CPU
2. EXM-E series extensions
4.3 wiring EXM
Wire the x-Messenger using a screwdriver with a 3-mm blade.
You do not need wire ferrules for the terminals. You can use conductors with cross-sections
of up to the following thicknesses:
 1 x 2.5 mm
2

2 x 1.5 mm
2
for each second terminal chamber

Tightening torque: 0.4.. .0.5 N/m or 3. ..4 lbs/in
Note
Always cover the terminals after you have completed the ins t a l l a t i on . To pr o t ec t
x-Mes s e n g e r ad e q u a t e ly fr o m impermissible contact to live parts, local standards
must be complied with.
4.3.1 Connecting the power supply
The EXM-8AC versions of x-Messenger are suitable for operation with rated voltages of
110 V AC and 240 V AC. The standard EXM-DC versions can be operated with a 12 or 24
VDC power supply.
Note
A power failure may cause an additional edge triggering signal.
Data of the last uninterrupted cycle are stored in x-Messenger.
To connect x-Messenger to the power supply: