1148
Failure Diagnosis Instructions Section 3-30
1,2,3... 1. The specified error code (0400) will be written to A400 if it is the most se-
rious error.
2. The error code and the time/date that the error occurred will be written to
the Error Log Area (A100 through A199).
3. The CPU Bus Unit Setup Error Flag (A40203) and CPU Bus Unit Setup Er-
ror Flag for unit number 1 (A42701) will be turned ON.
4. The CPU Unit’s ERR Indicator will flash.
5. A message (CPU BU ST ERR 01) will be displayed at the Programming
Console indicating that an error has occurred with CPU Bus Unit 1.
3-30-2 SEVERE FAILURE ALARM: FALS(007)
Purpose Generates user-defined fatal errors. Fatal errors stop PLC operation.
With CS1-H, CJ1-H, CJ1M, and CS1D CPU Units, FALS(007) can also be
used to generate fatal system errors.
Ladder Symbol • Generating User-defined Fatal Errors
• Generating Fatal System Errors (CS1-H, CJ1-H, CJ1M, or CS1D Only)
Variations
MOV
#000A
A529
000AA529CH
S: D00200
D00201
0400
0001
000000
FAL
10
D00200
N
S
Error code: 0400 (CPU Bus Unit Setup Error)
Matching
values
Error unit number: 1
FALS(007)
N
S
N: FALS number
S: First message word or
constant (0000 to FFFF)
FALS(007)
N
S
N: FALS number (value in A529)
S: First word containing the error
code and error details
Variations Executed Each Cycle for ON Condition FALS(007)
Executed Once for Upward Differentiation Not supported.
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
To Next Page
Loading...
Need help?
General
