UNO-137 User Manual
20
3.1
Chassis Grounding
The UNO-137 provides good EMI protection and a stable grounding base. There is
an easy-to-connect chassis grounding point.
Figure 3.1 Chassis Grounding Connection Diagram
Use the Grounding cable (16 AWG) from the accessory bag to connect the chassis
ground with the Earth ground.
3.2
Connecting Power
This product is intended to be supplied by an approved power adapter or DC power
source. This adapter is rated at 10 - 36Vdc, 7.7-1.31A and has a Tmax of 70
°
C (158
°F)
. If you need further assistance or information, please contact Advantech.
Follow the following instructions:
1.
Insert the positive and negative wires into the V+ and V- contacts on the termi
-
nal block connector.
2.
Tighten the wire-clamps’ screws to prevent the DC wires from coming loose.
Take the following guidelines into consideration before wiring the device:
1.
The terminal block is suitable for 12-24 AWG (12A). Torque value 7 lb-in. Use
copper conductors only.
2.
The temperature rating of the input connection cable should higher than 95 °C
(203
°F)
Note!
It is recommended to choose a 120W adapter when selected iDoor
expansion module(e.g. PCM-24R2PE) is installed. Recommended PN:
96PSA-A120W19T2-3