MKS 651C - How to Determine the Active Set Point

How To Determine the Active Set Point Cha
p
ter Six: Remote O
p
eration
72
How To Determine the Active Set Point
To determine the set point currently selected as active:
•
Issue the following request to determine the active set point:
R7
ENTER
The 651 controller responds with the following message:
M
XYZ
where
X
= indicates the active set point:
0 for the analog set point
1 for set point A
2 for set point B
3 for set point C
4 for set point D
5 for set point E
Y =
indicates the valve status:
0 for controlling
2 for valve open (direct direction)
4 for valve close (direct direction)
2 for valve close (reverse direction)
4 for valve open (reverse direction)
Z =
indicates the pressure:
0 when the pressure < 10% F.S.
1 when the pressure
≥
10% F.S.