SIGMATEK CCP 521 User Manual

CCP 521 C-DIAS PROCESSOR MODULE
Page 24 15.03.2016
05
Watchdog
The program was interrupted through
the watchdog logic.
Possible Causes:
- Interrupts blocked by the user program
for an extensive period of time (STI
instruction forgotten).
- Programming error in a hardware
interrupt.
- INB, OUTB, INW, OUTW instructions
used incorrectly.
- The processor is defect.
Solution:
- Correct programming error.
- Exchange CPU.
06
GENERAL
ERROR
General error
07
PROM DEFECT
An error has occurred while program-
ming the memory module.
Cause:
- The program memory module is defect.
- The user program is too large.
- The program memory module is miss-
ing.
Solution:
- Exchange the program memory module
08
Reset
The CPU has received the reset signal
and is waiting for further instructions.
The user program is not processed.
09
WD DEFEKT
The hardware monitoring circuit
(watchdog logic) is defect.
After power-up, the CPU checks the
watchdog logic function. If an error
occurs during this test, the CPU delib-
erately enters an infinite loop from
which no further instructions are ac-
cepted.
Solution: Exchange CPU.
10
STOP
11
PROG BUSYS
12
PROGRAM
LENGTH
13
PROG END
The memory module was successfully
completed.

SIGMATEK CCP 521 Specifications

General

Brand	SIGMATEK
Model	CCP 521
Category	Computer Hardware
Language	English