Appendix F: Command and Request Reference Re
uest and Res
onse 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