A-Class 135
Failure to properly configure the GPIO Port can result in damage to the printer and / or connected devices.
GPI/O Port B Overview
Pin Number
Signal Name /
Direction
*
Jumper Position Function / Description
Installed
Printer +5VDC is used (.5 amp maximum).
;
Drawing more than .5 amps can result in unreliable printer operation.
1
+5 VDC JMP 11
Removed +5VDC must be supplied.
2 Input 6 N/A N/A Programmed input function.
3 Input 3 N/A N/A Programmed input function.
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
4 Output 6 JMP 7
Removed
An external voltage via external pull-ups will determine this level, not exceed
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
5 Output 3 JMP 4
Removed
An external voltage via external pull-ups will determine this level, not exceed
Installed Printer chassis is used.
6 Ground JMP 10
Removed Ground must be supplied.
7 Input 5 N/A N/A Programmed input function.
8 Input 2 N/A N/A Programmed input function.
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
9 Output 5 JMP 6
Removed
An external voltage via external pull-ups will determine this level, not exceed
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
10 Output 2 JMP 3
Removed
An external voltage via external pull-ups will determine this level, not exceed
11 +24 VDC N/A N/A Printer +24 VDC (1.5 amp maximum).
12 Input 4 N/A N/A Programmed input function.
13 Input 1 N/A N/A Programmed input function.
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
14 Output 4 JMP 5
Removed
An external voltage via external pull-ups will determine this level, not exceed
Installed: Pins 1 – 2 Programmed output function pulled-up to +5VDC.
Installed: Pins 2 – 3 Programmed output function pulled-up to +24VDC.
15 Output 1 JMP 2
Removed
An external voltage via external pull-ups will determine this level, not exceed
*
Signal directions are given relative to the printer.