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CHAPTER 9 DEDICATED INSTRUCTIONS
9
9.12 J(P).ZNRD (Data Read from Programmable Controllers on Other Stations)
• When failed
(3) Error
When a link dedicated instruction failed, the error details can be confirmed by either of the following methods.
(a) With the programming tool
The error details can be checked in the CC IE Control diagnostics. ( Page 526, Section 10.3)
(b) Checking devices
Completion status indication device ((D2)+1) is turned ON, and an error code is stored in ZNRD processing
result (SW0030).
Check the error and take corrective actions according to the error code. ( Page 511, Section 10.2)
1 scan
Error code
ZNRD
Sequence scan
Start contact
Own station CPU
CC-Link IE Controller
Network module
Completion device
(Device specified in (D2))
Completion status indication
device (Device of (D2)+1)
ZNRD processing result
(SW0030)
END0 END0
Channel 1 (Fixed)
END0 END0 END0
Target station error
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