FP0 HardwareSystem Registers
A-4
Matsushita Electric Works (Europe) AG
is changed from PROG. to RUN. With regard to the modem connection setting, when
the power is turned on or when the mode is changed from PROG. to RUN, the controller
sends a command to the modem which enables it for reception.
When the initialized operation is performed, all set system register values (parameters)
will be initialized.
A.1.4 Content of System Register Settings
Setting the timers and counters (System register 5)
By indicating the counter start number, the timer and counter are split into two areas.
The timer and counter together total 144 points, and the default value for the split is 100.
Thus the point allotment is as shown in the table below.
Timer 100 points (No. 0 to No. 99)
Counter 44 points (No. 100 to No. 143)
Setting example
To increase the number of timers to 120, change the value of system register 5 to K120.
Set
value: n
Timer
Counter
MIN (0): All counter
MAX (144): All timer
Set value < n
Counter size increases
Set value > n
Timer size increases
0
144
Hold types and non–hold type settings (System registers 6 to 8 and 14)
With the FP0, the areas held in the event of a power supply interruption are fixed at the
areas shown in the table below, and the settings for system registers 6 to 8 and 14, will
be invalid.
C10/C14/C16 series
Timer Non-hold type: All points
Counter Non-hold type: From the set value to C139
Hold type: 4 points (elapsed values)
C140 to C143
Internal relay Non-hold type: 976 points (R0 to R60F)
61 words (WR0 to WR60)
Hold type: 32 points (R610 to R62F)
2 words (WR61 to WR62)
Data register Non-hold type: 1652 words (DT0 to DT1651)
Hold type: 8 words (DT1652 to DT1659)