System Information (Restrictions From Plc); System Information List; System Information Setting Program Example - Mitsubishi Electric MELSEC-F FX3G Series User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition

19.13 System Information (Restrictions From PLC)

Some of the display module functions require system information settings in order to enable program control
of these functions. Functions which require the use of system information are listed below.
• Specified device monitor function
→ Refer to Section 19.14 for details.
• Screen saver function
→ Refer to Section 19.15 for details.
• Display screen protect function
→ Refer to Section 19.16 for details.

19.13.1 System information list

Special data register D8300 and D8301 devices with first numbers specified are assigned as system
information devices (data register, auxiliary relay). The data register (excluding special data register) should
be specified at the system information's "system signal 1", and the auxiliary relay (excluding special auxiliary
relay) should be specified at the system information's "system signal 2". Both D8300 and D8301 have default
settings of "-1". When D8300 is "-1" the screen saver function becomes effective after 10 minutes.
1. System signal 1
Special data
register
D
D
D8300 = K
Occupies D
5 points
D
D
2. System signal 2
Special data
register
M
M
M
M
M
D8301 = K
M
Occupies
15 points M
M
M
M
M

19.13.2 System information setting program example

The following is a program example in which the system information has been assigned to D50 to D54 and
M50 to M64.
M8002
Initial pulse
→ Refer to Section 19.14 to Section 19.18 for explanations of each system signal.
System
Information
Device type to be displayed
Device No. to be displayed
+1
Screen saver setting time (Forced display)
+2
Device for display screen protect function
+3
Not used
+4
System
Information
Request Edit of displayed device data
Edition completion response
+1
Screen saver function invalid
+2
Not used
+3
+4
+5
Operation button ON/OFF
information
+6
+7
Device for specifying the "Monitor/Test" menu's current value and setting the value
+8
display format (hexadecimal or decimal).
Specified device monitor display status
+9
+10 to 14 Not used
MOV K50 D8300
MOV K50 D8301
END
19.13 System Information (Restrictions From PLC)
• Operation button ON/OFF information
→ Refer to Section 19.17 for details.
• Monitor/test function
- For hexadecimal display of current value:
→ Refer to Section 19.18 for the setting
Description
For specified device monitor function
Description
[ESC] button ON/OFF
[-] button ON/OFF
[+] button ON/OFF
[OK] button ON/OFF
System information (system No.1) is set at D50 to D54.
System information (system No.2) is set at M50 to M64.
19 Display Module (FX3G-5DM)
procedure.
Reference
Section 19.14
Section 19.15
Section 19.16
-
Reference
Section 19.14
Section 19.14
Section 19.15
-
Section 19.17
Section 19.18
Section 19.14
-
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