Skconst constant (/mt), Srangemath computation expression (/mt), Stlogmath tlog (/mt) – Yokogawa Touch Screen GP20 User Manual
Page 34: Srolavemath rolling average (/mt), Salarmmath alarm (/mt)

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IM 04L51B01-17EN
Description
• You cannot use this command to configure settings
while recording is in progress.
• You cannot use this command to configure settings
while computation is in progress.
• The math function is an option (/MT).
SKConst
Constant (/MT)
Sets a constant for use in computations.
Syntax SKConst,p1,p2
p1 Constant number (1 to 100)
p2 Value (–9.999999E+29 to –1E–30,
0, 1E–30 to 9.999999E+29, seven
significant digits)
Query
SKConst[,p1]?
Example Set constant number 12 to 1.0000E–10.
SKConst,12,1.0000E-10
Description
• You cannot use this command to configure settings
while recording is in progress.
• You cannot use this command to configure settings
while computation is in progress.
SRangeMath
Computation Expression (/MT)
Sets the computation expression of a math channel.
Unused Channels
Syntax SRangeMath,p1,p2
p1 Channel number
p2 Computation expression on/off (Off)
Used Channels
Syntax SRangeMath,p1,p2,p3,p4,p5,p6,p7,p8
p1 Channel number
p2 Computation expression on/off (On)
p3 Math channel type (Normal)
P4 Expression (up to 120 characters, ASCII)
p5 Decimal Place (0 to 5)
p6 Span lower limit (-9999999 to 99999999)
p7 Span upper limit (-9999999 to 99999999)
p8 Unit (up to 6 characters, UTF-8)
Query
SRangeMath[,p1]?
Example Set expression 0001+0002 in math channel
015. Set the measurement range is 0.0 to
100.0%.
SRangeMath,015,On,Normal,0001+
0002,1,0,1000,’%’
Description
• You cannot use this command to configure settings
while recording is in progress.
• You cannot use this command to configure settings
while computation is in progress.
• A blank character string cannot be used in
expressions.
• You cannot set the span upper and lower limits to the
same value.
STlogMath
TLOG (/MT)
Sets the TLOG of a math channel.
Syntax STlogMath,p1,p2,p3,p4,p5
p1 Channel number
p2 Timer Type
Timer
Timer
MatchTimeTimer Match time timer
p3 Timer number (1 to 4)
P4 Sum scale (Off, /sec, /min, /hour)
p5 Reset (On, Off)
Query
STlogMath[,p1]?
Example Assign timer 2 to math channel 015. Set the
sum scale to Off and disable reset.
STlogMath,015,Timer,2,Off,Off
Description
• You cannot use this command to configure settings
while computation is in progress.
SRolAveMath
Rolling Average (/MT)
Sets rolling average on a math channel.
Syntax SRolAveMath,p1,p2,p3,p4
p1 Channel number
p2 Enable or disable (Off, On)
p3 Sample interval (1 to 6s, 10s, 12s, 15s,
20s, 30s, 1 to 6min, 10min, 12min, 15min,
20min, 30min, 1h)
P4 Number of samples (1 to 1500)
Query
SRolAveMath[,p1]?
Example On math channel 015, take the rolling average
of 30 data values over 1 minute intervals and
use the results as the computed values.
SRolAveMath,015,On,1min,30
SAlarmMath
Alarm (/MT)
Sets the alarm of a math channel.
Do Not Set Alarms
Syntax SAlarmMath,p1,p2,p3
p1 Channel number
p2 Alarm number (1 to 4)
p3 Alarm on or off (Off)
Do Not Output Alarms
Syntax SAlarmMath,p1,p2,p3,p4,p5,p6,p7
p1 Channel number
p2 Alarm number (1 to 4)
p3 Alarm on or off (On)
P4 Alarm type (H, L, TH, TL)
p5 Alarm value (within the span range)
p6 Detection (Off, On)
p7 Output (Off)
Output Alarms
Syntax SAlarmMath,p1,p2,p3,p4,p5,p6,p7,p8
2.4 Setting Commands