AEC IST7 20kVA, User Manual

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2 Overview
AEC UPS IST7 10-30 KVA
User Manual
14
The expansion dry contact communication port includes 4 input dry contact communication signal and
3 output dry contact signal, detailed definition is as shown in Table1.1 and Table1.2.
Table1.1 Output dry contact function illustration
NO.
Silk-
screen
Signal Function illustration
1 ND5
It can be set to battery trip, output
breaker, bypass output, start
generator, sync/ async signal.
When the signal is valid, COM and
NO is cloased, COM and NC is
opened. The allowable voltage-
withstand is 250V/1A.
2 ND6
3 ND7
4 ND8
Table1.2 Input dry contact function illustration
NO.
Silk-
screen
Signal Function illustration
1 ND9
It can be set to battery grounding
When the signal is valid, NO and
COM is short circuited.
2 ND10
3 ND11
4
ND12
Reserved
When the signal is valid, NO and
COM is short circuited.
 Control card
The control card includes two ports: PARALLEL port is used for connecting the parallel UPS; BCS
port is double-busbar system port.
 SNMP card and software (optional)
SNMP card is installed in the SNMP card insert slot of UPS or externally. It can realize remote
management of the UPS through network. Detailed operation setting please see the user manual of
network adapter.
 Monitor card
Monitor card includes two network ports: MODBUS port is used for the communication of MODBUS,
RS485 port is used for the communication of RS485.