Advantech UNO-2271G V2, User Manual, Page: 28 / 60

UNO-2271G_V2 User Manual 16
3.1 Chassis Grounding
The UNO-2271G V2 provides good EMI protection and a stable grounding base and
there is an easy-to-connect chassis grounding point for this purpose.
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 - 30dc, 3.5-1.17A and has a Tmax of 60° C (140°
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-clamp 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 16-24 AWG (8A). The torque value is 2.5 lb-in.
Use copper conductors only.
2. The temperature rating of the input connection cable should be higher than 105°
C (221° F).
Note!
It is recommended to choose a 60W adapter when selected iDoor
expansion module (e.g. PCM-24R2PE) is installed. Recommended PN:
96PSA-A120W19T2-3.