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RS485.It communicates one by one thru RS232. It has remote communication thru
RS485.There is built- in SNMP card (optional) to complete remote alarming and
network monitoring. Interface softe mainly completes working status real
time,e-mail,UPS control,alarming history and timing on or off etc. Such as:
5.1 RS232 instructions
RS232 completes communication close distance.It doesn't often exceed 10
meters.The pin instruction are as follows:
DB9 pin
instructions
5.2 RS485 Instructions
RS
485
interface
monintoring.Output data cable adopts twisted-pair cable. There are three cables A
£¨485+£ © ¡ ¢ B£¨485- £©and GND respectively.
5.3 USBinstructions:
UPS also supplies USB interface.It adopts stochastic USB communication. It
completes real time monitoring and management without RS232.
5.4 Dry Contact instructions
Inactive voltage and current is 120VAC/1A or 24VDC/1A£¬such as
Signal
BAT.LOW
definition
Terminal
On+close
Low battery
Instructions
voltage
5.5 SNMP instructions
SNMP card supports SNMP¡¢ HTTP ¡¢ TCP/IP protocol,etc.It complete UPS
monitoring thru monitoring software, NMS and Web browser(IE and NetScape etc)
1
2
3
NO
RX
TX
adopts
intercommunication
AC FAULT
On+close
Line is
abnormal
4
5
6
NO
GND
NO
to
BYPASS
OVER LOAD
On+close
On+close
Bypass
Overload
23
7
8
9
NO
NO
NO
complete
remote
FAULT
On+close
UPS is failed
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