Advantech ARS-2110TX User Manual page 35

Figure 2.31 Ground Screw
Please make the earth lead well locked at the ground screw.
Connection for DC Power Source:
Attention:
Only trained service personnel are authorized to install and remove the 24,72,110 volt DC
power supply, and make the connections to and disconnections from the 24,72,110 volt DC
power source. The customer is responsible for ensuring that only trained service personnel
install or remove the 24,72,110 volt power cable.
To Connect Power Supply:
Note:
The DC supply source for the equipment power supplied shall be an UL certified power
source and suitable for specification provided by the manufacturer. Please use the
Jacketed power cable with 120 Volt, 18 AWG or 6 Amp. to connect between the equipment
and the DC power source.
1. Turn OFF DC power source and equipment that is to be connected to this
product.
2. Ensure DC power source connected earthed cable.
3. Connect the earthed cable which is of AWG18 min. green–and-yellow wire of earth of
building to the protective earthed terminal of the equipment.
4. Connect signal cables to the product.
5. Connect power cable to the product.
6. Ensure correct polarity of 24, 72,110 V DC connections: 24, 72,110 V DC is + and RTN
is -.
7. Turn ON the DC power source.
To Disconnect Power Supply:
1. Turn OFF DC supply source and equipment.
2. Disconnect the power cord from equipment.
3. Remove the signal cables from the connectors.
4. Remove the earthed cable from the protective earthed terminal of the equipment.
23 ARS-2110 User Manual