Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 352)

Troubleshooting
Appendix C
C –4
Your module generates these messages if an error occurs while the module
tries to execute a CALL routine.
PRT2 Port Support CALL Error Messages
This error message: Occurs when:
INVALID INPUT DATA you enter an invalid value when using CALL 30
INVALID VALUE
PUSHED you enter a value other then 0, 1 or 2 when using CALL 37
Wall Clock CALL Error Messages
This error message: Occurs when:
INSUFFICIENT
NUMBER OF STRING
CHARACTERS
ALLOCATED you attempt to execute a CALL 43, 45 or 52 and a string length of 18, 8 or 9,
respectively, is not allocated during string allocation
INVALID DATE/TIME
PUSHED you enter an invalid value for the date and/or time when using CALL 40 and 4l
NUMBER
BYTES/STRING
EXCEED 254 using CALL 43, 45 or 52 and the STRING X,X command allocates more
characters per string than is allowed
For example:
10 STRING 1000,300
INVALID NUMBER
PUSHED you push an invalid string value or day of week value using CALL 42, 43 and 52.
STRING # NOT
ALLOCATED you attempt to access a string that is outside the allocated string memory when
using CALLs 60, 61, 64, 65, 66, 67 or 68
for example:
>10 STRING 100,9
>20 PUSH 5, 12
>30 CALL 60
>RUN
ERROR - STRING # NOT ALLOCATED
error occurs because STRING 12 is outside the area reserved for strings.
# BYTES/STRING
EXCEED 254 the STRING X,X command allocates more characters per string than is allowed
using CALL 62
for example:
>10 STRING 1000,300
INSUFFICIENT
NUMBER OF STRING
CHARACTERS you do not use the required minimum string lengths when using CALL 62
BAD # PUSHED the string position pointer is zero (invalid position) using CALL 66
Error Messages from CALL
Routines