Panasonic GT series - Rockwell Automation (Allen-Bradley) PLC Connections

Appendix
4-14
4.2.2 Basic Communication Area Map
In order for communication to be carried out between the GT and PLC, a device area like that
shown below is provided in the PLC. Use this to control the GT through the PLC ladder
program actually being run.
The starting address "N" of the field shown below is specified in the GT configuration settings
of GTWIN and is then sent to the GT.
 Word devices
Word position
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
N + 0
Number of the screen specified by the PLC (area read by the GT from the PLC)
N + 1
Usage prohibited
N + 2
Number of the screen currently displayed (area written to the PLC by the GT)
Explanation of the system area
 Number of the screen specified by the PLC: The number of the screen to display on the GT
is specified by the PLC in hexadecimal.
 Number of the screen currently displayed: The number of the screen currently displayed on
the GT is written to the PLC in hexadecimal.
 Bit devices
Bit position
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
Digit position
3
2
1
0
Byte position
Higher bytes
Lower bytes
N + 0
BZ
Forced-display flag
Backlight enabled flag
Backlight blink
Touch sound disable flag
Backlight brightness
N + 1
Usage prohibited
N + 2
SD memory card inserted flag
Password screen display flag
Login screen display flag
BAT
Data input in progress flag