Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 321)

Chapter
Call Routines 69–127 13
13 -63
Output Argument One
The output argument is the status of the call. It has these values:
0 = successful
1 = disabled
2 = bad input parameter
3 = DF1 not enabled
4 = string too small
5 = string is not dimensioned
6 = JW5 not in 16-point position
Whenever you attempt to read a remote node, the status of the read is
placed into BTR word 1. The possible status codes are:
Code Indicates
0 transfer OK
1 transmission failed
2 enquiry time out
3
•
with handshaking selected – either a loss of CTS signal
while transmitting or a fatal transmitter failure occurred
•
without handshaking selected – a fatal transmitter failure
occurred
4 transmission failure due to modem disconnection (DCD signal
loss for more than 10 seconds) if modem handshaking with
constant carrier is selected
5 DF1 driver is not enabled
6 message timed out
81 illegal command or format
82 host has a problem and will not communicate
83 remote station host is not there, disconnected, or shut down
84 host could not complete function due to hardware fault
85 addressing problem or memory protect rungs
86 function disallowed due to command protection selection
87 processor is in Program mode
88 compatibility mode file missing or communication zone problem
89 remote station cannot buffer command
8B remote station problem due to download
8C local station cannot execute command due to active IPBs
C1 illegal address format – field has an illegal value
C2 illegal address format – not enough fields specified
C3 illegal address format – too many fields specified
C4 illegal address format – symbol not found
C5 illegal address format – symbol is 0 or greater than the
maximum number of characters supported by this device
C6 illegal address – address does not exist or does not point to
something usable in this command
C7 illegal size – file is wrong size; address is past end of file
C8 cannot complete request
C9 data or file is too large