Bimba PFC-LRT - Manual (Page 18)

Leaders in Actuation.
Bimba Manufacturing Company
Monee, IL 60449-0068
Telephone: 708.534.8544
Email: [email protected]
www.bimba.com
Rev Level: 0
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The information presented is in Bimba’s best engineering opinion and should be used for reference only. Recommendations derived should be verified under
actual operating conditions. Bimba reserves the right to change specifications without prior notice.
18
B. Manual Control Using a Three-Position Valve
DESIRED RESULTS: A cylinder/system that is manually operated between two adjustable limits.
EQUIPMENT:
Double Solenoid (24 VDC) 3-position valve
Bimba Controller (Independent Relay Mode)
16" cylinder (any bore)
FIGURE 17 illustrates the internal connections of typical pneumatic applications. Movement of the cyl-
inder is controlled by the double solenoid three-position valve in conjunction with the manual push but-
ton switches. For any movement to occur, an output must be energized and its respective push button
switch must also be pushed. In this application Relay 1 is used to retract the cylinder and Relay 2 is used
for extension.
NOTE: Relay operation is the same on extend and retract strokes.
FIGURE 17