Function List - Mitsubishi Electric MELSEC L Series User Manual

3.3
The following table lists the functions of the head module.
Function
Cyclic transmission
Transient transmission
Error time output mode
PLC operation mode at
H/W error
File password 32
Remote password
Diagnostics
System error history
Remote RUN/STOP
Remote RESET
Monitoring/test
External input/output
forced on/off
Station number setting
from the master station
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Function List

The input and output data of the modules connected to the head module can be
used just like those of the master station.
The master station and a local station can directly access the devices in the head
module and the buffer memory in an intelligent function module.
Communications with other stations on other networks can also be performed.
The master station and a local station send requests to the head module by
using dedicated instructions. (
used)
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.
Select whether to stop auto refresh of the head module when a hardware failure
occurs in an intelligent function module (when the head module detects SP.UNIT
DOWN).
Sets write password and read password for each file stored in the head module.
Prevents unauthorized access from external devices, using a serial
communication module connected to the head module.
Performs diagnostics of the head module and connected modules using GX
Works2.
Checks the error history of both the head module and intelligent function
modules in one single window.
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.
Monitors the status and changes the current values of the devices in the head
module and the buffer memory in the connected intelligent function module using
GX Works2.
Use one of the following to monitor the status or change the current values.
• Device/buffer memory batch monitor
• Watch window
• Present value change
Forcibly turns on or off the external input/output of the head module.
Set a station number of the head module from the CC-Link IE Field Network
diagnostics of the master station.
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Description
User's manual for the master/local module
Reference
Page 65, CHAPTER 8
Manual for the master/local
module
Page 61, Section 7.1 (6)
Page 61, Section 7.1 (6)
Page 114, Appendix 2
Page 63, Section 7.3
Page 75, CHAPTER 9
Page 84, Section 11.2
Page 89, Section 11.3
Page 81, Section 9.7
Page 81, Section 9.7
GX Works2 operating
manual
Page 111, Appendix 1
Page 31, Section 4.2