Yokogawa Button Operated MV2000 - Manual (Page 101)

4-28 M-4662
4.6 Basic Setting Commands
WO Sets alarm and DO settings
To set alarm and DO settings
Syntax WO p1,p2,p3,p4,p5<terminator>
p1
Alarm setting
p2 Reflash operation ON/OFF
p3 Interval for the low limit on the rate-of-
change (1 to 32)
p4 Interval for the high limit on the rate-of-
change (1 to 32)
p5 Alarm status indicator hold/nonhold
HOLD
NONHOLD
To set the internal switch
Syntax WO p1,p2<terminator>
p1
DO type (SWITCH)
p2 AND switch number
NONE No AND setting
S01 Specify only S01
S01-Sxx Specify S01 to Sxx
xx = {02 to 30}
To set the output relay
Syntax WO p1,p2,p3,p4,p5<terminator>
p1
DO type (RLY)
p2 Relay number
NONE No AND setting
I01 Specify only I01
I01-Ixx Specify I01 to Ixx
xx = {02 to 36}
p3 Energize/De-energize the relay
DE_ENERGIZE
ENERGIZE
p4 Relay hold/nonhold
NONHOLD
HOLD
p5 Relay action on ACK
NORMAL
RESET
Description Set parameter p2 according to the table in
section 4.3.
Query WO[ p1]?
Example Set the output relay to no AND operation and the
relay action to energize and release the relay
output when an alarm acknowledge is received
regardless of the alarm status.
WORLY,NONE,ENERGINE,HOLD,RESET
WH Sets an alarm hysteresis
For measurement channels
Syntax WH p1,p2,p3<terminator>
p1
Channel type (MEASURE)
p2 High and low limit alarm hysteresis (0 to 50)
p3 Difference high and low limit alarm
hysteresis (0 to 50)
For computation channels
Syntax WH p1,p2<terminator>
p1
Channel type (MATH)
p2 High and low limit alarm hysteresis (0 to 50)
For external input channels
Syntax WH p1,p2<terminator>
p1
Channel type (EXTERNAL)
p2 High and low limit alarm hysteresis (0 to 50)
Query WH[ p1]?
Example For measurement channels, set the high and low
limit alarm hysteresis to 4.0% and the difference
high and low limit alarm hysteresis to 0.0%.
WHMEASURE,40,0
Description You can set alarm settings on computation
channels on models with the /M1 math option.
You can set alarm settings on external input
channels on models with the /MC1 external input
channel option.
XV Sets the scan interval
Syntax XV p1,p2,p3,p4<terminator>
p1
1 (fixed)
p2 Scan interval mode
NORMAL Normal mode
FAST Fast sampling mode
p3 Scan interval (25MS, 125MS, 250MS, 1S,
2S, 5S)
p4 A/D integration time (AUTO, 600Hz, 50Hz,
60Hz, 100ms)
Query XV?
Example Set the scan interval to 1 second in normal
mode.
XVNORMAL,1
Description The combinations of scan interval modes and
scan intervals vary depending on the model. See
the RD-MV1000/RD-MV2000 User’s Manual (IM
RD-MV1000-01E) for details.
You can set p4 to 600Hz when the scan interval
is set to fast sampling mode. You can set p4 to
100ms when the scan interval is set to 2s or 5s.
XB Sets the burnout detection
Syntax XB p1,p2<terminator>
p1
Measurement channel number
p2 Burnout procedure
OFF Not processed
UP Set the measured result to +over
DOWN Set the measured result to –over
Query XB[ p1]?
Example Set the measured result to UP (+over) if a
burnout is detected on channel 001.
XB001,UP
Description Set parameter p1 according to the table in
section 4.3.
4.6 Basic Setting Commands