Mitsubishi QJ71E71-100 User Manual

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MELSEC-Q
4 WHEN THE QCPU ACCESSES THE OTHER STATION PLC USING THE
DATA LINK INSTRUCTION
(b) When abnormal completion
1) ZNRD instruction
0 END
Sequence scan
0END0 END 0 END 0 END
Read command
ZNRD
1 scan
Read completion device
(Device designated with (D2))
Localstation
QCPU
Read completion device
((D2)+1 device)
Ethernet
module
?
Buffer memory
(Address: 207)
Error code
Target
station error
Channel 1 (fixed)
2) ZNWR instruction
0 END
Sequence scan
0END0 END 0 END 0 END
Write command
ZNWR
1 scan
Write completion device
(Device designated with (D2))
Local station
QCPU
Write completion device
((D2)+1 device)
Ethernet
module
?
Buffer memory
(Address: 209)
Error code
Target
station error
3000
Write data storage device
(Device designated with (S))
Channel 2 (fixed)

Mitsubishi QJ71E71-100 Specifications

General

Brand	Mitsubishi
Model	QJ71E71-100
Category	Controller
Language	English