Measured, computed, and external input data – Yokogawa Button Operated MV2000 User Manual
Page 126
5-8
M-4662
Measured, Computed, and External Input Data
• The MV returns measured, computed, and external input data in response to an FD
command.
• You can use the CB command to specify whether or not the MV will return the data of
measurement channels set to SKIP and computation channels set to OFF.
•
Syntax
The MV returns the data along with the date and time information for each channel in
the following syntax.
EACRLF
DATE_yy/mo/ddCRLF
TIME_hh:mm:ss.mmmtCRLF
s_ccca
1
a
2
a
3
a
4
uuuuuufdddddE-ppCRLF
····························
ENCRLF
yy
Year (00 to 99)
mo
Month (01 to 12)
dd
Day (01 to 31)
hh
Hour (00 to 23)
mm
Minute (00 to 59)
ss
Second (00 to 59)
mmm
Millisecond (000 to 999. A period is placed between seconds and
milliseconds.)
t
Reserved (Space.)
s
Data status (N, D, S, O, E, or B)
N:
Normal
D:
Differential input
S:
Skip
O:
Overflow
E:
Error
B:
Burnout
ccc
Channel number (3 digits)
001
to 048:
Measurement channel
101
to 160:
Computation channel
201
to 440:
External input channel
a
1
a
2
a
3
a
4
a
1
Alarm status (level 1)
a
2
Alarm status (level 2)
a
3
Alarm status (level 3)
a
4
Alarm status (level 4)
(Each status is set to H, L, h, l, R, r, T, t, or space.)
((H: high limit alarm, L: low limit alarm, h: difference high-limit alarm, l:
difference low-limit alarm, R: high limit on rate-of-change alarm, r: low
limit on rate-of-change alarm, T: delay high limit alarm, t: delay low limit
alarm, space: no alarm)
uuuuuu
Unit information (six characters, left-justified)
mV____:
mV
V_____:
V
^C____:
°C
xxxxxx:
(User-defined character string)
f
Sign (+, –)
5.2 Text Data Output Format