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4. HOW TO MONITOR REDUNTANT SYSTEM
4.10 Switch the Monitor Target to the Control System Using the Script Function
4 - 33
1
PREPARATORY
PROCEDURES FOR
MONITORING
2
DEVICE RANGE
THAT CAN BE SET
3
ACCESS RANGE
FOR MONITORING
4
HOW TO MONITOR
REDUNTANT
SYSTEM
5
BUS CONNECTION
6
DIRECT
CONNECTION TO
CPU
7
COMPUTER LINK
CONNECTION
8
ETHERNET
CONNECTION
3. Create a monitor screen.
For MELSECNET/H connection, MELSECNET/10 connection or Ethernet connection: (Common)
In the device setting (network setting) of each object, set Network No. 1 and Station No. 1 of the control system.
4. Validate the station number switching function.
On the Basic tab screen specified by selecting [Screen] [Screen Property], select the item [Switch Station No.] to
validate the station number changing function.
Make this setting for each monitor screen.
5. Change the station number switching device value in the script.
By selecting [Common] [Script] [Script], create a script for each monitor screen that checks the SM1515
status of the current monitor station, and if it is OFF (standby system), changes the station number switching device
value.
Set the trigger type of the script as [Ordinary] or [Sampling(about 3s)].
• Screen script for MELSECNET/H connection and MELSECNET/10 connection:
Set the created script for each screen on the Screen tab.
// If the host station is not a control station, the station number is switched to that of the other station.
if([b:SM1515]==OFF){
if([w:GD100]==1){
[w:GD100]=2;
}else{
[w:GD100]=1;
}
}
Check here.