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Appendix 1 System Definitions
App1-4
2) Basic Parameters
The basic parameters are necessary for operation of the PLC.
Set the ‘Latch area’, ‘Timer boundary’’ , ‘Watchdog timer’, ‘PLC operation mode’, ‘Input setting’, ‘Pulse catch’
(1) Latch area setting
Set the retain area on the inner device.
(2) Timer boundary setting
Set the 100ms/10ms/1ms timer boundary.
( If 100ms and 10ms timer are set, the rest of timer area is allocated 1ms automatically)
(3) Watchdog timer setting
For the purpose of the watch of normal program execution ,.
This parameter is used to set the maximum allowable execution time of a user program in order to supervisor its
normal or abnormal operation. (Setting range is 10ms ~ 6000ms)
(4) Input setting
set the input filter constant and input catch contact point
(5) Remote access control setting
When this parameter is set, the operation mode of PLC system can be changed by remote access with FAM or
communication module.