Page 105 - Parker - Vacuum products

Catalog 0802-E (Revised 02-01-12) Vacuum Generators
System Logic CVXCEK Emergency Stop Vacuum Generators

Idle

VAC "ON" Command VAC "ON"
Robot Sensor Output 1 N.O. Preset, P-1 = 18 inHg
Controller Part Presence Sensor Output 2 N.C. Preset, n-3 = 10 inHg
(P-2) > n-3

Vacuum Begins B
Vacuum
Mode
Continues

YES NO
Max. Setting Reached?
(P-1) Generator Selection

Air Conservation Begins PLC Command MCA, CV, CV-CK
Output 1 "OFF" YES
Check Valve Maintains Vacuum "OFF"
Blow-Off "ON"
Vacuum Level
CHF
NO
Emergency
Stop
YES Is Vacuum Level System MC22
Maintained? to Idle
(P-2)
Vacuum Level NO
Restored to Emergency Stop MC72
Max.Setting Output 1 to Activate Vacuum Sensor Detects System Vacuum
Bottom Level Reached Maintained
CEK

The Emergency Stop Operating System is designed to maintain CVXCEK
the last state of operation when an emergency stop or power
failure occurs.
The chart below illustrates the state of operation in different MPS-23
modes.
MVS-201

Modes Vacuum on Vacuum off Blow-off
Normal Air economizing Blow-off on
Conditions 18 to 15.5 inHg Idle Blow-off idle
Emergency stop event Generator Accessories
On Idle
Input power on Air economizing
Output power off 18 to 15.5 inHg Idle
Idle Idle
Vacuum on On Idle
Input power off Idle Glossary
Output power on
Max. vacuum on Idle Idle
Vacuum on On Idle
Input power off Idle
Output power off
Max. vacuum on Idle Idle
Restore power Vacuum on
Input power on Air economizing Idle Idle
Output power on 18 to 15.5 inHg

B35 Parker Hannifin Corporation
Pneumatic Division
Richland, Michigan
www.parker.com/pneumatics