Communication; Rs232 And Usb; Ups Remote Control Functions - PowerWalker VFI LICR IoT Series User Manual

5

Communication

5.1 RS232 and USB

1. Communication cable to the serial or USB port on the computer.
2. Connect the other end of the communication cable to the RS232 or USB communication
port on the UPS.

5.2 UPS remote control functions

• Remote Power Off (RPO)
When RPO is activated, UPS will cut off output immediately, and continues to alarm.
RPO
Connector type
External breaker specification
• Dry in
Dry in function can be configured (see Settings > Dry in)
RPO
Dry Out
Dry IN
Dry in
Connector type
External breaker specification
• Dry out
Dry out is the relay out, dry out function can be configured (see Settings > Dry out).
UPS
Dry Out
Relay
Dry out
Connector type
Inner Relay specification
Comments
16 AWG Maximum wires
60 V DC/30 V AC 20 mA max
RPO
Dry IN
Comments
16 AWG Maximum wires
60 V DC/30 V AC 20 mA max
For User
Normal
Open
Comments
16 AWG Maximum wires
24Vdc/1A
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