Mitsubishi Electric MELSEC iQ-R RD75P4, User Manual

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8 COMMON FUNCTIONS
8.1 Overview of Common Functions
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COMMON FUNCTIONS
This chapter describes the details and usage of the common functions executed according to the user's requirements.
Common functions include the functions required for using the RD75 such as the module data initialization function and
module data backup function.
Check the setting and execution procedures for each common function, and execute an appropriate function as required.
8.1
Overview of Common Functions
Functions below referred to as Common function can be used as required regardless of the control method used. These
common functions are executed by engineering tools or with programs.
The following table shows the functions included in the common functions.
Common function Description
Module data initialization function Sets module parameters and module extension parameters (positioning data and block start data) in the buffer memory
and setting values in the module extension parameter file to their factory default settings.
Module data backup function Saves the module extension parameters (positioning data and block start data) in the buffer memory currently being used
in control into the module extension parameter file.
External I/O signal logic switching
function Switches I/O signal logics according to the equipment connected to the RD75. For the system in which signals handled
as normally closed contacts (such as Drive unit READY signal and limit signals) are not used, the parameter logic setting
can be controlled without wiring if the setting is changed to "Positive logic".
External I/O signal monitor function Monitors External I/O signal using the module's detailed information which can be displayed on the system monitor of an
engineering tool.
History monitor function Monitors the error history, warning history, and start history of all axes.
Amplifier-less operation function Performs positioning controls without a drive unit. This function is used for debugging user programs at a start-up or
simulating positioning operation.
Online module change Allows the module change without stopping the system. For the online module change procedure, refer to the following.

MELSEC iQ-R Online Module Change Manual