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3.3 Indexing
5) The 32-bit indexing used “ZZ” specification and the acutual processing device
are as follows.
(Z0 (32-bit) 100000.Z2 (16-bit) 20)
Fig.3.10 Ladder Example and Actual Process Device
6) Available functions for “ZZ” specification
The 32-bit indexing specification with “ZZ” specification applies in the following
functions in GX Developer.
Single ZZn cannot be used as a device like “DMOV K100000 ZZ0”. When setting
values of index registers to specify 32-bit indexing with “ZZ” specification, set the
value of Zn (Z0~Z19).
Single ZZAn cannot be input to each function in GX Develoiper.
Ladder Example Actual Process Device
No. Function Name and Description
1
Specifing devices in program instruction
2
Monitoing device registrations
3
Testing devices execution type
4
Testing devices with conditions
5
Setting monitor conditions
6
Tracing sampling
(Trace point(specifing devices),
Trace taget device)
X1
X0
DMOV
MOV
MOV ZR1000ZZ0 D30Z2
K-20
K100000 Z0
Z2
MOV ZR101000 D10
END
X1
ZR1000ZZ0 ZR(1000+100000)=ZR101000
D30Z2 D(30-20)=D10
Description