User Manual 3PH HYD5000-HYD20000-ZSS
Rev. 1.1 16/03/2021
Identification: MD-AL-GI-00
Rev. 1. of 16/03/2021 - Application: GID
57/138
PIN
Definition
Function
Notes
1
RS485A1-1
RS485 differential
Wired or cascade monitoring of the
inverter
2
RS485A1-2
RS485 differential
3
RS485B1-1
RS485 differential signal –
4
RS485B1-2
RS485 differential signal –
5
RS485A2
RS485 differential
Communication with three-phase
meters
6
RS485B2
RS485 differential signal –
7
CAN0_H
CAN positive polarity
Communication with BMS of the
lithium battery
8
CAN0_L
CAN negative polarity
9
GND.S
BMS communication GND
10
RS485 differential
11
485TX0-
RS485 differential signal -
12
GND.S
GND signal
Lead-acid battery temperature
measurement
13
BAT_Temp
Lead-acid battery temperature
probe
14
DCT1
Dry Contact1
Option of the electric switch function
15
DCT2
Dry Contact2
16
VCC
VCC communication
12V power supply
Table 11 - Interface description
5.4.
Measurement of currents exchanged with the grid
Measurement of the currents exchanged with the grid is fundamental for the correct functioning
of the energy storage in the battery.
There are two ways to take this measurement correctly:
1.
Direct use of CT sensors (ZST-ACC-TA model).