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Appendix 1 System Definitions
2) Basic Parameters
The basic parameters are necessary for the operation of the PLC option card.
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 supervise its normal or abnormal operation. (Setting range is 10ms ~ 6000ms)
(4) Input setting
Set the input filter constant and input catch contact point
Appendix 1-4