Rockwell Automation 1771-DB BASIC MODULE User Manual
Page 322
Chapter
Call Routines 69–127
13
13 -64
Indicates
Code
CA
request is too large; transaction size plus word address is too
large
CB
access denied, privilege violation
CC
resource is not available; condition cannot be generated
CD
resource is already available; condition already exists
CE
command cannot be executed
CF
overflow; histogram overflow
D0
no access
D1
illegal data type information
D2
invalid parameter; invalid data in search or command block
D3
address reference exists to deleted area
D4
command execution failure for unknown reason; PLC–3
histogram overflow
D5
data conversion error
D6
the scanner is not able to communicate with a 1771 chassis
adapter
D7
the adapter is not able to communicate with the module
D8
the 1771 module response was not valid
D9
duplicated label
DA
file is open – another station owns it
DB
another station is the program owner
Syntax
PUSH
type of DF1 PLC READ command
PUSH
remote PLC node address
PUSH
file number of remote PLC
PUSH
file type on remote PLC
PUSH
starting element offset on remote PLC
PUSH
number of elements to be transferred
PUSH
message time-out value
PUSH
BTR buffer and/or internal string
PUSH 1
PUSH
string number
CALL 122
POP
CALL 122 status