MKS 651C - Page 149

Appendix F: Command and Request Reference Re
q
uest and Res
p
onse Reference
135
RS-232 Request and Response Summary
(Continued)
Request Message Information Requested Response Message
R7
Alternate system status
(for compatibility)
M
XYZ
For the
value
of
X
:
0 = analog set point
1 = set point A
2 = set point B
3 = set point C
4 = set point D
5 = set point E
For the
value
of
Y
:
0 = controlling
2 = valve open
4 = valve close
For the
value
of
Z
:
0 = pressure < 10% F.S.
1 = pressure > 10% F.S.
R10
Set point E value
S5
value
where
value
is % of F.S.
R11
Low threshold
process limit #1
P1
value
where
value
is % of F.S.
R12
High threshold
process limit #1
P2
value
where
value
is % of F.S.
R13
Low threshold
process limit #2
P3
value
where
value
is % of F.S.
R14
High threshold
process limit #2
P4
value
where
value
is % of F.S.
R15
Softstart rate for set point A
I1
value
where
value
is % of full speed
R16
Softstart rate for set point B
I2
value
where
value
is % of full speed
R17
Softstart rate for set point C
I3
value
where
value
is % of full speed
Table 27: RS-232 Request and Response Summary
(Continued on next page)