7. Communications
Connection Between the Connected Device's RS-485 Port and UPS System's RS-485 Port
Device (RJ-45)
Pin 1/5
Pin 2/4
Pin 7
Pin 8
Available Functions of the RS-485 Port
• Monitor UPS power status.
• Monitor UPS alarm info.
• Monitor UPS running parameters.
• Timing off/on setting.
• Battery environment temperature monitoring.
• Charging voltage modulation depending on batteries temperature
RS-485 Communication Data Format
• Baud rate: 9600 bps
• Byte length: 8 bit
• End bit: 1 bit
• Parity check: None
7.6 BAT_T Communication Port Definition
Note: The USB, RS-232 and RS-485 interfaces cannot be used simultaneously. Only one interface can be used at a time.
The BAT_T Port is a female connector. The external battery cabinet thermostat used for temperature charging compensation
may be connected to this port.
Connection Between the Temperature Sensor RJ45 Port and UPS RJ45 Port
Temperature Sensor (RJ45)
Pin 1/5
Pin 2/4
Pin 7
Pin 8
Available Functions of the BAT_T Port
• Battery environment temperature monitoring
• Charging voltage modulation depending on batteries' temperature
UPS (RJ-45)
Pin 1/5
Pin 2/4
Pin 7
Pin 8
UPS BAT_T (RJ45)
Pin 1/5
Pin 2/4
Pin 7
Pin 8
67
Description
485+ "A"
485 - "B"
+12Vdc
GND
Description
TX
RX
12V
GND