3
Fig. 2.2 Main board of dry contact gateway
Table 2.1 Instruction of main board
No.
Components
No.
Components
1
4-core needle stand (common
use for communication and
power supply)
7
DIP switch S1
2
Force OFF dry contact input
terminal block
8
ON/OFF dry contact output
terminal block
3
ON/OFF dry contact input
terminal block
9
Error indicator dry contact
output terminal block
4
Mode dry contact input terminal
block
10
Mode dry contact output
terminal block
5
Reserved terminal block
11
Cold plasma dry contact
output terminal block
6
DIP switch S2
12
Ventilation dry contact output
terminal block