Growatt WIT 50-100K-US - Page 41

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Table 6.6 Parallel communication terminal description
Definition of parallel communication terminal
(WIT 50-100K-A-US and WIT 50-100K-H-US)
Number
Definition of signal
Note
1
24V.S
Output 24V signal
2
GND.S
3
CAN1_H
Parallel communication CAN1 signal (input)
4
CAN1_L
5
GND.S
6
CAN2_H
Parallel communication CAN2 signal (input)
7
CAN2_L
8
RS485_1A
Parallel communication 485-1 signal (input)
9
RS485_1B
10
PE
Grounding
11
24V.S
Output 24V signal
12
GND.S
13
CAN1_H
Parallel communication CAN1 signal (output)
14
CAN1_L
15
GND.S
16
CAN2_H
Parallel communication CAN2 signal (output)
17
CAN2_L
18
RS485_1A
Parallel communication 485 signal (output)
19
RS485_1B
20
PE
Grounding
21
RS485_5A
Low frequency synchronization 485 signal (input)
22
RS485_5B
23
RS485_5A
Low frequency synchronization 485 signal (output)
24
RS485_5B
25
RS485_4A
Parallel RS4854_4 communication (input) (PCS)
26
RS485_4B
27
RS485_4A
Parallel RS4854_4 communication (output) (PCS)
28
RS485_4B
29
NA
NA
30
NA