Table of Contents
Advertisement
4 FUNCTIONS
4.2 Operation Mode
4 - 11
QJ71PB92D has four operation modes: Normal service mode (MODE 0), Extended
service mode (MODE E), Parameter setting mode (MODE 1), and Self-diagnosis mode
(MODE 2).
The operating modes are set using the GX Configurator-DP.
Each of these modes is explained as follows.
Operation mode
Normal service
Mode in which a communication is made with the slave station.
mode
The I/O areas for each slave station are allocated to a fixed 32 bytes.
(MODE 0)
Mode in which a communication is made with the slave station.
Extended service
The I/O areas for each slave station are allocated to the areas of any
mode
size (The I/O area size for each slave station is set using GX
(MODE E)
Configurator-DP).
Mode in which parameters are set in QJ71PB92D.
Normally, GX Configurator-DP switches the operation mode
automatically to this mode when setting parameters, and after setting
Parameter setting
the parameters, switches to the mode set in the flash ROM.
mode
When the mode is set to the Parameter setting mode using the
(MODE 1)
operation mode change signal (Y11), the mode is changed to the other
operation mode using the GX Configurator-DP.
A communication with the slave station is not performed.
Self-diagnosis
Mode in which the test for diagnosing the QJ71PB92D module for
mode
hardware error.
(MODE 2)
A communication with the slave station is not performed.
Description
MELSEC-Q
Reference
Section 4.2.1
Section 4.2.2
Section 5.4
4 - 11
Advertisement
Table of Contents
