Mitsubishi Electric MELSEC iQ-R Series User Manual page 393

Process cpu module

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Table of Contents

Auto tracking data

The following tables list the data that is automatically transferred by the system regardless of parameter settings of tracking

■Special relay

The following table lists the special relay areas that are automatically transferred by the system.

For details on the special relay, refer to the following.

Page 645 List of Special Relay Areas

Service processing constant wait setting flag

Start/stop SFC program

SFC program start status

Presence/absence of continuous transition for entire block

Output mode at block stop

SFC device/label clear mode

Output mode at execution of the end step

Clear processing mode when the sequence reaches the end step

Dedicated instruction End bit control flag

BIN/DBIN instruction error control flag

Scaling data check settings

Module access completion wait control flag

Selection of link refresh processing during the COM instruction execution

Local device setting at CALL

Local device setting in interrupt programs

PID bumpless processing (for the complete differentiation PIDCONT instruction)

PID bumpless processing (for the inexact differential S.PIDCONT instruction)

Hold mode (S.IN instruction)

Hold mode (S.OUT instruction)

Upper limit setting flag for the number of CPU module backup data

System switching by a user

Operation setting for access from the standby system to the extension base unit

26 REDUNDANT FUNCTION

26.3 Tracking Transfer

Troubleshooting