V-TAC ESS Series, User Manual, Page: 15 / 27

Table 5-7 RJ 45 Definition
Table 5-8 Dry Contact Alarm Definition
5 Product Introduction
RJ 45 definition as below：
5.2.4 Communication Port Definition
The module uses the default NC. dry contact to provide alarm signals. The
alarm definition of the dry contact is defined as follows.
5.2.5 Dry Contact Alarm Definition
12
RJ 4 5 Photo Pin Description
1/ 2 / 3 NC
4 RS 48 5 _ A
5 CAN _ L
6 CAN _H
7 RS 48 5 _ B
8 GN D
Dry Contact No. Alarm Definition
Dry Contact 1
Single cell voltage is lower than 1V;
Voltage difference between cells is more than 800mV.
Dry Contact 2
940 fault;
NTC disconnection;
Charging and discharging MOS fault.
1 2 3 4 5 6 7 8
The above is the definition of conventional communication，if you have special
needs，please contact the authorized dealer.
NOTE