SM-P00077-A/3
1. PRODUCT OVERVIEW
25
2020-04-15
1.4
Internal Structure
1.4.1
Description of operation
◼
Valve operation
Diagram of operation (with 4GA R Series as an example)
Description of operation
4G
□
10R
2-position
Single
De-energized
(shown in the diagram)
1(P) -> 2(B)
4(A) -> 5(R1)
Energized
1(P) -> 4(A)
2(B) -> 3(R2)
4G
□
20R
2-position
Double
SOL a Energized
1(P) -> 4(A)
2(B) -> 3(R2)
SOL b Energized
(shown in the diagram)
1(P) -> 2(B)
4(A) -> 5(R1)
After energized, solenoid position is
retained even after electricity is cut
off.
4G
□
30R
4G
□
40R
4G
□
50R
3-position
4G
□
30R De-energized
1(P), 4(A), 2(B), 5(R1), and 3(R2)
closed
4G
□
40R De-energized
1(P) closed
4(A), 2(B) -> 5(R1), 3(R2)
4G
□
50R De-energized
1(P) -> 4(A), 2(B)
5(R1) and 3(R2) closed
* SOL = solenoid