Appendix 9 When Connecting The Module To A Remote Head Module; Restricted Functions And Specifications - Mitsubishi Electric MELSEC iQ-R Series User Manual

Appendix 9
This section describes the restrictions and communication example for when connecting the master/local module to a remote
head module.

Restricted functions and specifications

This section describes the restricted functions and specifications of when connecting the master/local module to a remote
head module.
Function
■Cyclic transmission
Function
Sequence scan synchronization specification
■Transient transmission
Function
Dedicated instruction
■Diagnostics
Function
CC-Link diagnostics
■Others
Function
Interrupt setting function
Module parameter
The device that can be set to the refresh target in "Link Refresh Settings" under "Basic Settings" differs from when connecting
the module to the CPU module. ( Page 62 Link Refresh Settings)
When Connecting the Module to a
Remote Head Module
Restrictions
Cannot be used.
Restrictions
Cannot be used.
Restrictions
When the device data of the master station on CC-Link IE Field Network are transferred to the link
special relay (SB) and link special register (SW) of the master/local module by data transfer between
devices of the remote head module, the following functions cannot be used.
• Stopping and restarting data link
• Line test
• Checking the transmission speed setting
• Temporary error invalid station setting function
• Status logging
Restrictions
Cannot be used.

Appendix 9 When Connecting the Module to a Remote Head Module

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