Discrete I/O Board Diagnostics - Graco ProMix 2KS Repair Manual

Troubleshooting

Discrete I/O Board Diagnostics

See F . 9 and F . 10 to troubleshoot the Discrete I/O board. Also see the System Electrical Schematic on pages
IG IG
34 and 35.
F . 9: EasyKey Control Boards and Terminal Strips
IG
24
I/O Terminal Strip Detail
Pin 1
Pin 1
Display Board Barrier Board
RS485 Integration A
RS485 Integration B
RS485 Integration Ground
RS485 Network A
RS485 Network B
RS485 Network Ground
Flow Control Calibrate
Gun Trigger
INPUTS
Digital Common
Remote Stop
Alarm Reset
General Alarm
Digital Common
OUTPUTS
Potlife Alarm
Flow Rate Analog In
Flow Rate Analog Common
TI12958a
Terminal Strips
(see detail above)
Discrete I/O Board
(see F . 10)
IG
TI12496c
312780K