Table Of The System Registers - Panasonic FP-M Hardware Manual

2. Table of the System Registers

Address Name of system register
0 Program capacity
4 Operation without backup
battery
5 Counter instruction
starting address
6 Hold area starting
address settings for
timer/counter area
Default
value
K3 or The program capacity is automatically specified according
K5 to the type of the programmable controllers.
FP-M 2.7 k type (2,720 steps): K3
,
FP-M 5 k type (5,000 steps): K5
The value in this system register is fixed.
K0 This register specifies the operation of the FP-M when the
voltage of the backup battery lowers or when the backup
battery disconnects.
K0: the conditions above are regarded as errors
K1: the conditions above are not regarded as errors
K100 Starting number for counter instructions is specified.
• Setting range
K0 to K144
• Setting the same value as system register 6 is
recommended.
• If the maximum value of the setting range is input, all of
the areas are used as timers.
EXAMPLE:
If system register 5 is set to K120:
- Timers:
- Counters:
K100 Hold area starting address for timer/counter is specified.
• Setting range
K0 to K144
• Setting the same value as system register 5 is
recommended.
• If the maximum value of the setting range is input, all of
the areas are used as non-hold areas.
EXAMPLE:
If system register 6 is set to K120:
- Non-hold area:
- Hold area:
Description
T0 to T119 (120 timers)
C120 to C143 (24 counters)
0 to 119
120 to 143
8-5. System Registers
189