Mitsubishi Electric MELSEC-L LD75D, User Manual

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CHAPTER 13 COMMON FUNCTIONS
13
13.
1 O
ut
line of
Comm
on
F
unc
tions
CHAPTER 13
COMMON FUNCTIONS
13.1
Outline of Common Functions
"Common functions" are executed according to the user's requirements, regardless of the control system, etc. These
common functions are executed by GX Works2 or using programs.
The following table shows the functions included in the "common functions".
Common function Details
Means
Program GX Works2
Parameter Initialization Function
This function returns the parameter stored in the LD75 buffer memory and flash
ROM to the factory-set initial value.
 
Execution data backup function
This function writes the "execution data", currently being used for control, to the
flash ROM.
 
External I/O signal logic switching
function
This function switches I/O signal logic according to the equipment connected to
the LD75.
For the system in which drive unit READY with b-contact, upper limit switch, and
lower limit switch are not used, the parameter logic setting can be controlled
without wiring if it is changed to a "positive logic".
 
External I/O signal monitor function
This function monitors the external I/O signal monitor information in the
module's detailed information which can be displayed on the system monitor of
GX Works2.
 
History monitor function
This function monitors error history, warning history, and starting history of all
axes.
 
Module error collection function
This function collects errors occurred in the LD75 in the CPU module.
Holding the error contents in the CPU module, this function enables to check the
error history even after the CPU module is powered off or reset.
 