User manual

UNO-4673A/4683 Series User Manual 14
The UNO-4673ADC/4683DC support redundant 48 VDC power input to fulfill the
need of field site. The specification of the power input, please refer to Table 2.7.
The function of each part is described as below:
2.3.1 Specification of the Relay
Relay output type: Form C
Contact: 5A@250V
AC
5A@30V
DC
Breakdown Voltage: 500V
AC
(50/60Hz)
Contact Resistance: 30mΩ (maximum)
Insulation Resistance: 1GΩ (maximum) at 500V
DC
Table 2.9: 48VDC Dual Power Input Function Introduction
Item Function Description
1 Screw terminal for 48VDC power 1 input
2 Screw terminal for 48VDC power 2 input
3 Relay output by event