User's Manual

LCD Display Connections
The LCD display assembly is located on the front panel behind the display. It interfaces
with other devices through a ribbon cable.
49
Pin Number on J2 Position Number on J1 Function
16 Pos female connector 26 Pos male connector
on the LCD Module on backplane ribbon cable
J2-16 J1-1 Cathode (GND) Backlight
J2-15 J1-2 Andoe (+) Backlight
J2-14 J1-3 DB7 (Data Bus)
J2-13 J1-4 DB6 (Data Bus)
J2-12 J1-5 DB5 (Data Bus)
J2-11 J1-6 DB4 (Data Bus)
J2-10 J1-7 DB3 (Data Bus)
J2-9 J1-8 DB2 (Data Bus)
J2-8 J1-9 DB1 (Data Bus)
J2-7 J1-10 DB0 (Data Bus)
J2-6 J1-11 E
J2-5 J1-12 R/W (read-write)
J2-4 J1-13 RS
J2-3 J1-14 V
ee
(contrast)
J2-2 J1-15 V
cc
(+5V)
J2-1 J1-13 V
ss
(ground)
None J1-17 S1
None J1-18 S2
None J1-19 S3
None J1-20 S4
None J1-21 S5
None J1-22 Key (no connection)
None J1-23 DS1 Operate LED (green) cathode
None J1-24 DS1 Operate LED (green) anode
None J1-25 DS2 Fault LED (red) cathode
None J1-26 DS2 Fault LED (red) anode