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19 Display Module (FX3G-5DM)
335
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
Input/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
19.13 System Information (Restrictions From PLC)
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.
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.
→ Refer to Section 19.14 to Section 19.18 for explanations of each system signal.
1. System signal 1
2. System signal 2
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.
• 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.
• 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
procedure.
Special data
register
System
Information
Description Reference
D8300 = K
Occupies
5 points
D
Device type to be displayed
For specified device monitor function Section 19.14
D+1
Device No. to be displayed
D+2
Screen saver setting time (Forced display) Section 19.15
D+3
Device for display screen protect function Section 19.16
D+4
Not used -
Special data
register
System
Information
Description Reference
D8301 = K
Occupies
15 points
M
Request Edit of displayed device data Section 19.14
M+1
Edition completion response Section 19.14
M+2
Screen saver function invalid Section 19.15
M+3
Not used -
M+4
Operation button ON/OFF
information
[ESC] button ON/OFF
Section 19.17
M+5
[-] button ON/OFF
M+6
[+] button ON/OFF
M+7
[OK] button ON/OFF
M+8
Device for specifying the "Monitor/Test" menu’s current value and setting the value
display format (hexadecimal or decimal).
Section 19.18
M+9
Specified device monitor display status Section 19.14
M+10 to 14
Not used -
Initial pulse
END
MOV K50 D8300
MOV K50 D8301
M8002
System information (system No.1) is set at D50 to D54.
System information (system No.2) is set at M50 to M64.