MKS 651C, Instruction Manual, Page: 153 / 172

Appendix F: Command and Request Reference Request and Response Reference
139
RS-232 Request and Response Summary (Continued)
Request Message Information Requested Response Message
R40 Valve response to power fail
(when using the optional valve
failsafe backup)
K0
= Option is disabled (or not
installed)
K1
= Valve opens at power fail
K2 = Valve closes at power fail
R41 Lead A value
X1 value
where
value
is seconds
R42 Lead B value
X2 value
where value is seconds
R43 Lead C value
X3 value
where value is seconds
R44
Lead D value
X4 value
where
value
is seconds
R45 Lead E value
X5 value
where value is seconds
R46 Gain A value
M1 value
where value is % gain
R47
Gain B value
M2 value
where
value
is % gain
R48 Gain C value
M3 value
where value is % gain
R49 Gain D value
M4 value
where value is % gain
R50
Gain E value
M5 value
where
value
is % gain
R51 Type of control
V value
0 = Self-Tuning
1 = PID
R52 Checksum error
CS value
0 = OK
1 = Error condition
If a checksum error condition is
reported perform a full calibration,
as described on page 80.
Table 27: RS-232 Request and Response Summary