MKS 651C - Installing a New Memory Module and Replacing the CPU Board

Chapter Six: Remote Operation How To Confi
g
ure the Valve Parameters
85
How To Configure the Valve Parameters
In order for the 651 controller to work properly with your valve, you need to check several valve
parameters. All of the parameters are set to an initial value, so it may be unnecessary for you to
change any entries.
How To Check the Valve Selected
1. To check the type of valve selected, issue the request:
R23
ENTER
The 651 controller responds with the message:
J
type
where
type
= 1 for a standard 253
2 for a fast 253
3 for a 653
How To Change and Calibrate the Valve
1. To change and calibrate the valve, issue the command:
J
value
ENTER
where
value
= 1 for a standard 253
2 for a fast 253
3 for a 653
Caution
During the calibration process, the 651 controller learns the valve by
moving it from the opened to the closed position. Be sure your
system is set up to allow the valve to move from full open to full
closed.