Mitsubishi Electric L26CPU-BT User Manual page 205

(c) There are two types of interlock signals for the G(P).RIWT instruction: the
completion device (D) and the status display device at completion (D) + 1.
1) Completion device
Turns ON in the END processing of the scan where the G(P).RIWT instruction is completed, and turns OFF in
the next END processing.
2) Status display device at completion
Turns ON and OFF depending on the completion status of the G(P).RIWT instruction.
Normal completion: Stays OFF and does not change.
Abnormal completion: Turns ON in the END processing of the scan where the G(P).RIWT instruction is
completed, and turns OFF in the next END processing.
END
processing
Sequence program
OFF
G(P).RIWT instruction
OFF
Completion device
Status display device
OFF
at completion
(d) Multiple dedicated instructions cannot be executed for the same station.
Since it takes several scans until the processing of the dedicated instruction is completed, execute the next
dedicated instruction after the completion device has turned ON.
The next dedicated instruction executed before completion of the previously executed dedicated instruction is
ignored.
(e) The basic number of steps of the G(P).RIWT instruction is 8 steps.
(f) Use GX Works2 to assign send buffer in "Station Information Setting" in the
"Network Parameter" window.
For more details on the setting, refer to
(4) Operation error
In the following cases, an operation error occurs; the error flag (SM0) turns ON and the error code is stored in
SD0.
Error code
When the module specified by Un is not an intelligent function module.
2112
When the module specified by Un is not a special function module.
4002 When an attempt was made to execute an unsupported instruction.
4003 When the number of devices in the instruction is incorrect.
4004 When the instruction specifies a device that cannot be used.
4100 When the instruction contains the data that cannot be used.
When the number of data set to be used exceeds the allowable range.
4101 Or, when the storage data or constants of the device specified with the instruction exceeds the
allowable range.
CHAPTER 9 DEDICATED INSTRUCTIONS AND PROGRAMMING
END
processing
Execution completion of
ON
the G(P).RIWT instruction
Page 83, Section 7.3.2 (2).
Description of operation error
END END
processing processing
ON
Abnormal
ON completion
Normal
completion
1 scan
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