Yokogawa Touch Screen GP20 - Manual (Page 38)

2-24
IM 04L51B01-17EN
p3 Watchdog timer (1 to 120) [s]
p4 Value at timer expired (Preset, Last)
Query SWDCom[,p1]?
Example Set the watchdog timer of communication
channel 025 to 60 seconds. Replace the
communication channel 025 value with its
preset value at watchdog timer expiration.
SWDCom,025,On,60,Preset
Description
• If p2=Off, you cannot set p3 or subsequent
parameters.
SAlarmCom
Alarm (/MC)
Sets the alarm of a communication channel.
No Alarm Setting
Syntax SAlarmCom,p1,p2,p3
p1 Channel number
p2 Alarm number (1 to 4)
p3 Alarm on or off (Off)
Do Not Output Alarms
Syntax SAlarmCom,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 SAlarmCom,p1,p2,p3,p4,p5,p6,p7,p8
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)
DO Output to a relay (DO
channel)
SW Output to an internal
switch
p8 Number
If p7=DO Relay (DO channel)
number
If p7=SW Internal switch number
(001 to 100)
Query SAlarmCom[,p1]?
Example Set a high limit alarm (H) on alarm number 2
of communication channel 025. Set the alarm
value to 85.0%. When an alarm occurs, output
to the relay (DO channel) at number 0105.
SAlarmCom,025,2,On,H,850,On,
DO,0105
Description
• You cannot set this on a “Off” communication channel.
• If p3=Off, you cannot set p4 or subsequent
parameters.
• If p7=Off, you cannot set p8.
• You cannot set DO channels or internal switches whose
output type is set to Manual as output destination
numbers.
SAlmHysCom
Alarm Hysteresis (/MC)
Sets the alarm hysteresis for a communication channel.
Syntax SAlmHysCom,p1,p2,p3
p1 Channel number
p2 Alarm number (1 to 4)
p3 Hysteresis
Alarm Type Hysteresis Range
H, L 0 to 100000
Query SAlmHysCom[,p1]?
Example Set a hysteresis on alarm 3 of communication
channel 025.
SAlmHysCom,025,3,10
Description
• Hysteresis specified for delay high and low limit
alarms (TH and TL) does not apply.
SAlmDlyCom
Alarm Delay Time (/MC)
Sets the alarm delay time for a communication channel.
Syntax SAlmDlyCom,p1,p2,p3,p4
p1 Channel number
p2 Hour (0 to 24)
p3 Minute (0 to 59)
P4 Second (0 to 59)
Query SAlmDlyCom[,p1]?
Example Set the communication channel 025 alarm
delay time to 2 minutes 30 seconds.
SAlmDlyCom,025,0,2,30
Description
• Set the delay time so that it is an integer multiple of
the scan interval ( SScan command).
STagCom
Tag (/MC)
Sets the tag of a communication channel.
Syntax STagCom,p1,p2,p3
p1 Channel number
p2 Tag (up to 32 characters, UTF-8)
p3 Tag number (up to 16 characters, ASCII)
Query STagCom[,p1]?
Example Set the communication channel 025 tag to
“SYSTEM1” and the tag number to “TI002.”
STagCom,025,’SYSTEM1’,’TI002’
2.4 Setting Commands