AEC IST7 Series, User Manual

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2 Overview
UPS IST7 Series (60K-200K)
User Manual
28
When the dry contact expansion card is selected, the dry contact expansion card will installed on the
bypass unit of UPS.
Table2-11 Illustration of the BMS expansion card
Port Mark Signal Illustration
BMS BMS port
It is used to communicate with the Li-
battery. BMS port adopts RJ45 plug.
The pin definition of BMS port is
shown in Figure2-20.
IN.8
NO
External switch normal open input
port
When the NO and COM is short
circuit, the signal is effective. This
signal can be set to disable charging.
COM Reinforced insulation ground
IN.9
NO
External switch normal open input
port When the NO and COM is short
circuit, the signal is effective. This
signal can be set to disable
discharging.
COM Reinforced insulation ground
OUT.6
NC OUT.6 normal close output port
When the signal is effective, COM
and NO connect, and NC disconnects.
This port is reserved.
COM Reinforced insulation ground
NO OUT.6 normal open output port
For LI-battery reliability consideration, if Li-battery is used, please contact with local agency or dealer.
1--8
RJ45 plug
RJ45
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Pin definition
：
Pin 1
：
White orange-BMS:A
Pin 2
：
Orange-BMS:B
Pin 3
：
White green-Reserved
Pin 4
：
Blue-BMS:B
Pin 5
：
White blue-BMS:A
Pin 6
：
Green-Reserved
Pin 7
：
White brown-Reserved
Pin 8
：
Brown-GND
Figure2-20 Pin definition of BMS port