6-32 
6.8.3 Function Specifications (GT21)  
Fixed (GTWIN): 1/4 width (8 x 8), half width (16 x 8), full width (16 x 16) 
 (Double or quadruple in height and width) 
True Type (GTWIN): 10 to 240 dots 
Windows (R): 10 to 240 dots 
English, Japanese, Korean, German, French, Italian, Spanish, Simplified 
Chinese, Traditional Chinese characters, Turkish, Russian and Vietnamese can 
be displayed. 
Number of 
registerable screens 
Registerable screen 
number 
Base screen: No. 0 to 3FF 
Keyboard screen: No. 0 to 7 
Straight lines, continuous straight lines, squares, circles, ovals, arcs, elliptic 
arcs, fan shapes, elliptic fan shapes, beveled squares 
Switch 
Function switch 
Lamp 
Message 
Data 
Bar graph 
Clock 
Note2) 3)
 
Line graph 
Alarm list 
Alarm history 
Keyboard 
Custom(message, lamp, switch) 
Recipe  
Flow display  
Write device   
Multi language exchange   
Connecting a computer to TOOL port and our PLC to COM port enables the 
communication between the PLC and the computer. 
The screen data can be copied by connecting the main units with a cable. 
Note1) Maximum allowable number varies depending on registered contents. 
Note2) A clock part can be indicated by referring to external clock data. 
Note3) Accuracy of the GT internal clock is ±180 seconds per month. 
Note4) It depends on the version of GT.