Technical data

Linkage with PLC
CP 486 ⋅ 00/14 VIPA GmbH 141
Table with error codes:
01 invalid function number
02 file not found
03 path (directory) not found
04 too many open files, remedy: increase number of files in CONFIG.SYS
05 access refused
attempt to modify a write-protected file
06 invalid handle, there is no opened file for the specified handle
07 memory control blocks destroyed
MS-DOS inoperable, system must be rebooted
08 no memory existent
09 invalid memory control block
10 (0A) invalid environment
11 (0B) invalid program format
program is incorrect structured or file has no program
12 (0C) invalid access code, wrong access mode input when opening file
13 (0D) invalid data
14 (0E) invalid unit
15 (0F) invalid disk drive, a non-existing disk drive has been responded
16 (10) invalid command
17 (11) not the same device
18 (12) no more files can be created, directory is full
19 (13) disk is write protected
20 (14) unknown device
21 (15) disk drive not ready. No disk inserted
22 (16) unknwn command
23 (17) data error (CRC-error)
checksum of disk/hard disk sector wrong; sector probably defect
24 (18) length of request structure wrong
25 (19) seek error, positioning error, file pointer was positioned beyond end of file
26 (1A) unknown media type, (disk is not in MS-DOS format)
27 (1B) sector not found
28 (1C) printer reports paper out
29 (1D) write error
30 (1E) read error
31 (1F) general error
32 (20) file sharing violation
33 (21) file locking violation
34 (22) invalid disk change
35 (23) FCB not available
36 (24) file sharing buffer overflow
80 (50) file already exists
82 (52) directory cannot be created
83 (53) Int 24 error (handling of critical errors)
Attention: for special error conditions the CP486 reports two specific error
codes, which are not defined under MS-DOS.
112 (70) size error, invalid number of data
(e.g. trial to read or write more than 504 words)
113 (71) time exceeded during communication.
For about 10 sec the CP was unable to access the bank.