Gasboy CFN Series Diagnostic Manual - Manual (Page 340)

Site Controller III
12-6 1116
SITE CONTROLLER III COMM. (CPU) PCB (C05838)
The CPU PCB for the Site Controller III (C05838) controls all activity in the site controller. The
CPU PCB:
•
processes all site controller data
•
provides an interface to the PC
•
communicates to all CFN equipment via the RS-485 lines
•
communicates on five RS-232 ports
•
controls the Memory I/O PCB
•
communicates to Tokheim Pumps via the Memory I/O PCB dual Tokheim port
•
provides diagnostic LED's
•
requires OS version 3.0A or greater
•
requires Memory PCB C05839
•
requires DSite 1.0C or higher
Layout
LED Indicators
LED indicators are provided to allow you to monitor the CPU's operation.
PCB Functions
LED Color Function Status
DS1 Red Network Poll Flashes–Polled by online network
DS2 Red CFN Poll Flashes–Polled by CFN host
DS3 Red ICR or FPR Poll Flashes–Polling ICR or FPR
DS4 Red PCU Poll Flashes–Polling PCU
DS5 Red Console Poll Flashes–Polling console
DS6 Red Foreground Task Flashes once per second
DS7 Red Checksum Complete Flashes when checksum is complete