Function List - Mitsubishi Electric MELSEC-L SSCNETIII/H User Manual

3.3

Function List

The following table lists the functions of the head module.
Function
Cyclic transmission
Transient transmission
Output mode setting for error
Operation mode setting for a
hardware error
System monitor
Diagnostics
SSCNET III
Communication
Condition Monitor
System error history
Remote RUN/STOP
Remote RESET
Monitoring/test
Forced on/off for external I/O
The inputs/outputs of modules connected to the head module can be handled just like those
of the Motion controller.
The buffer memory of intelligent function modules can be accessed directly from the Motion
controller.
The Motion controller sends requests to the head module with dedicated instructions.
Specifies whether to clear or hold the output to each module when a stop error or a data link
error occurs in the head module.
Specifies whether to stop the auto refresh of the head module or not, when a hardware error
occurs (when the head module detects SP.UNIT DOWN) in the intelligent function module.
Diagnostics of the head module and connected modules can be performed using GX
Works2.
The connection status of whole SSCNET III/H can be checked using MT Developer2.
The history of errors that occurred in the head module and intelligent function modules can
be confirmed on a single screen.
Changes the status of the head module to RUN or STOP, without using the switch.
Resets the head module when it is in the STOP status, without using the switch.
The status of the head module devices and the buffer memory of the intelligent function
module can be monitored, and current values can be changed in GX Works2.
Use one of the following to monitor or change the current value.
• Device/buffer memory batch monitor
• Watch window
• Present value change
The external input/output of the head module can be forcibly turned on or off.
Description
CHAPTER 3 SPECIFICATIONS
Reference
Page 65, CHAPTER 8
Programming Manual
(Motion SFC) for the
Motion controller used
Page 63, Section 7.1 (6)
Page 63, Section 7.1 (6)
Page 83, Section 11.2
Page 77, CHAPTER 9
Page 87, Section 11.3
Page 105, Appendix 2
Page 105, Appendix 2
GX Works2 operating
manual
Page 101, Appendix 1
27
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