FX1N Series Programmable Controllers Diagnostics 7.
7-13
1
2
3
4
5
6
7
Data
registers (D)
General 128 points
D0 to D127
Type: 16 bit data storage register
pair for 32 bit device
Latched
(EEPROM
backed-up)
7872 points
EEPROM keep: 128 points
Capacitor keep: 7744 points
D128 to D7999
EEPROM keep: D128 to D255
Capacitor keep: D255 to D7999
Type: 16 bit data storage register
pair for 32 bit device
File Maximum 7000 points
D1000 to D7999 set by parameter in
14 blocks of 500 program steps
Type: 16 bit data storage register
Externally
adjusted
2 points
Range: 0 to 255
D8030 & D8031
Data is entered indirectly through the
external setting potentiometer
Special
256 points
(inclusive of D8030 and D8031)
From the range D8000 to D8255
Type: 16 bit data storage register
Index 16 points
V and Z
Type: 16 bit data storage register
Pointers (P)
For use
with CALL
128 points P0 to P127
For use with
interrupts
6 points
I00
❏
to I50
❏
(rising trigger
❏
= 1,
falling trigger
❏
= 0)
Nest levels 8 points for use with MC and MCR N0 to N7
Item Specification Remarks
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