Installation
Figure 8
Double-Acting Operation with Fail-In-Last Position Function
Inward Stroke
B-port
A-port
Ps
Pilot valve 1
5/2 Spool valve
Pilot valve 2
Option: LMC 1
Option: LMC 2
Option:
Throttle 1
Option:
Throttle 2
Rb
Ra
1.
Send control signal “Close” to the Control Module to activate Pilot valve 2 and
de-activate Pilot valve 1.
2.
The 5/2 spool valve will pressurize the end cap air chambers.
3.
The piston will move inwards to the “Closed” position.
4.
The Control Module indicates the “Closed” position and activates feedback
signal “Closed”.
Optional Controls:
LMC Local Manual Control
SC
Speed Control throttles
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
15
Section 4: Installation