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3 COMMUNICATION BETWEEN THE PLC CPU AND THE MOTION CPU IN
THE MULTIPLE CPU SYSTEM
•
Automatic refresh setting 1
PLC CPU (CPU No.1) Motion CPU (CPU No.2)
Send range for each CPU CPU side device Send range for each CPU CPU side device
CPU share memory G Dev. starting M0 CPU share memory G Dev. starting *
CPU
Point Start End Start End
CPU
Point Start End Start End
No.1 48 M0 M767 No.1 48 M3072 M3839
No.2 66 M768 M1823 No.2 66 M2000 M3055
No.3 No.3
No.4
No.4
•
Automatic refresh setting 2
PLC CPU (CPU No.1) Motion CPU (CPU No.2)
Send range for each CPU CPU side device Send range for each CPU CPU side device
CPU share memory G Dev. Starting D0 CPU share memory G Dev. starting *
CPU
Point Start End Start End
CPU
Point Start End Start End
No.1 118 D0 D117 No.1 118 D640 D757
No.2 640 D118 D757 No.2 640 D0 D639
No.3 No.3
No.4
No.4
•
Automatic refresh setting 3
PLC CPU (CPU No.1) Motion CPU (CPU No.2)
Send range for each CPU CPU side device Send range for each CPU CPU side device
CPU share memory G Dev. Starting M1824 CPU share memory G Dev. starting *
CPU
Point Start End Start End
CPU
Point Start End Start End
No.1 44 M1824 M2527 No.1 44 M4800 M5503
No.2 44 M2528 M3231 No.2 44 M4000 M4703
No.3 No.3
No.4
No.4
•
Automatic refresh setting 4
PLC CPU (CPU No.1) Motion CPU (CPU No.2)
Send range for each CPU CPU side device Send range for each CPU CPU side device
CPU share memory G Dev. starting D758 CPU share memory G Dev. starting *
CPU
Point Start End Start End
CPU
Point Start End Start End
No.1 0 No.1 0
No.2 660 D758 D1417 No.2 660 D800 D1459
No.3 No.3
No.4
No.4
POINT
In the case of the combination "PLC CPU (1 module) + Motion CPU (2 modules)"
with SV22, make all the devices of all the CPUs refresh as mentioned above
because the setting that Read/Write is made of the PLC CPU cannot be executed.