Appendix 3 Data Sampling Method For Cpus That Cannot Be Accessed Directly - Mitsubishi Electric QJ81DL96 User Manual

APPENDIX
Appendix 3 Data Sampling Method for CPUs that cannot be
Accessed Directly
This section explains a method for sampling data from CPUs that cannot be accessed
directly (hereafter, explained with Motion CPUs).
(1) Auto refresh using CPU shared memory in a multiple CPU system
By performing auto refresh using CPU shared memory between the QCPU and
Motion CPU in a multiple CPU system, device values of the Motion CPU can be read
to the QCPU.
By registering the device values read to the QCPU as data logging target data, data of
the Motion CPU can be logged.
(2) Settings required for auto refresh
When the data logging function is executed to the Motion CPU, setting the auto
refresh with GX Works 2 for the QCPU (CPU No. 1), and with MT Developer 2 for the
Motion CPU (CPU No. 2) is required.
For auto refresh settings, refer to the manual below.
 QCPU User's Manual (Multiple CPU System)
(3) Example of acquiring the Motion CPU device values
(a) System configuration

Appendix 3 Data Sampling Method for CPUs that cannot be Accessed Directly

High speed data
logger module
CPU (No. 1)
Motion CPU (No. 2)
17
18
A
I
App
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