MKS 651C - Page 152

Request and Response Reference A
pp
endix F: Command and Re
q
uest Reference
138
RS-232 Request and Response Summary
(Continued)
Request Message Information Requested Response Message
R35
Sensor voltage range
G
value
,
where
value
equals:
0 = 1 Volt
1 = 5 Volts
2 = 10 Volts
R36
Sensor type
U
value
, where
value
equals:
0 = Absolute
1 = Differential
R37
System status
M
XYZ
For the
value
of
X:
0 = Local
1 = Remote
For the
value
of
Y:
0 = not learning
1 = learning system
2 = learning valve
For the
value
of
Z:
0 = open
1 = close
2 = stop
3 = set point A
4 = set point B
5 = set point C
6 = set point D
7 = set point E
8 = Analog set point
R38
Software version
H
version number
R39
Status of battery used in optional
valve failsafe backup
BT
= Battery is bad
BT1
= Battery is good
BT2
= Option is not installed
Table 27: RS-232 Request and Response Summary
(Continued on next page)