3.5
Control Devices
The FX-50DU-TK(S)-C uses 8 bit devices and 6 data registers to enable control with the
monitored MPU. The meaning of these devices is explained in the following table.
•
The head devices, Mn and Dn have default values of M0 and D0.
•
The default settings can be changed using the FX-PCS-DU/AT-C software.
Bit Devices
Description
Direction
Mn
Clear Alarm History
MPU
ð
DU
Mn+1
Alarm On
MPU
ï
DU
Mn+2
Back Light Off (after set time)
MPU
ð
DU
Mn+3
Clear Sampling
MPU
ð
DU
Mn+4
Sampling Active
MPU
ï
DU
Mn+5
Data Change in Progress
(User Screen Mode)
MPU
ï
DU
Mn+6
Battery Low
MPU
ï
DU
Mn+7
Not Used
Data Devices
Description
Direction
Dn, Dn+1, Dn+2
PLC Request Screens
MPU
ð
DU
Dn+3, Dn+4, Dn+5
Current Display Screens
MPU
ï
DU
Table: 3.3
Control Device Names
Graphic FX-50DU-TK(S)-C Units
Installation Notes 3
3 – 5
