User`s manual
CPU modules Devices
4 – 2
* The address areas for these devices can be set with a programming device by parameters. The table shows the
preset values.
W Link reg-
ister*
W0–7FF (2048) Register for Link data in a network
R File regis-
ter
— R0–32767 (32768) Extension of the data register area
ZR0–32767 (32768)
SB Link spe-
cial relay
SB0–3FF (1024) Bit devices in a network
SW Link spe-
cial regis-
ter
SW0–3FF (1024) Register for Link data
Z Index reg-
ister
Z0–9 (10) Register for indexing of devices
N Nesting N0–14 (15 Steps) Displays the nesting of Master control
processes
P Pointer P0–299 (300)
The common pointer address is set by parameters.
Target of a jump instruction (CJ, SCJ,
CALL, JMP)
I Interrupt
Pointer
I0–127 (128)
The cyclic interval of system interrupt pointers I28 to 31 can
be set up by parameters (2 to 1000 ms, 1 ms unit).
Default values:
I28: 100 ms; I29: 40 ms; I30: 20 ms; I31: 10 ms
Pointer for branching of interrupt pro-
grams
KDecimal
constant
K -32768–32767 (16 bit instructions)
K -2147483648–2147483647 (32 bit instructions)
For specification of command values
for timer and counter, pointer, interrupt
pointer, number of bit devices and
instruction values
H Hexadeci-
mal con-
stant
H0–FFFF (16 bit instruction)
H0–FFFFFFFF (32 bit instruction)
For specification of instruction values
FX Function
input
FX0–F (16) Devices for the status of input or output
bits for subroutines.
Only FX0 to FX4 and FY0 to FY4 can
be used in a program.
FY Function
output
FY0–F (16)
FD Function
register
FD0–4 (5) Status register for the input and output
bits for subroutines
Link direct
device
Specified form: J\X, J\Y, J\W,
J\B, J\SW, J\SB
Device for accessing the link device
directly. Exclusively used for CC-Link
IE controller network and MELSEC-
NET/H.
Intelligent
function mod-
ule device
Specified form: U\G D
evice for accessing the buffer mem-
ory of the intelligent function module
directly.
Device name
Range (total number)
Explanation
Q00JCPU Q00CPU Q01CPU
Tab. 4-1: Device list for Q00JCPU, Q00CPU and Q01CPU