String calls, Dh-485 communication, String calls dh-485 communication – Rockwell Automation 1771-DB BASIC MODULE User Manual
Page 95

Chapter
Using BASIC Module Statements
7
7 -5
Use theses calls to manipulate string data structures within a BASIC
program or from the command line.
Statement
Page
STRING
CALL 60
string repeat
CALL 61
string append
CALL 62
number to string conversion
CALL 63
string to number conversion
CALL 64
find a string in a string
CALL 65
replace a string in a string
CALL 66
insert a string in a string
CALL 67
delete a string from a string
CALL 68
determine length of a string
Use these calls when the DH485 port is configured for
DH-485 communications.
Important: CALLs 29, 49, 50, and 118 are for background operation.
Do not attempt to execute standard DH-485 calls while background calls
are enabled and active. Invalid data transfers could result.
Statement
Page
CALL 29
read/write to PLC/SLC from module internal string
CALL 49
read remote DH-485 SLC data file
CALL 50
write to remote DH-485 SLC data file
CALL 83
display DH485 port setup
CALL 84
transfer DH-485 CIF to BASIC input buffer
CALL 85
transfer BASIC output buffer to DH-485 CIF file
CALL 86
check DH-485 interface remote write status
CALL 87
check DH-485 interface file remote read status
CALL 90
read remote DH-485 data file to BASIC input buffer
CALL 91
write BASIC output buffer to remote DH-485 data file 13 -22
CALL 92
read remote DH-485 CIF to BASIC input buffer
CALL 93
write output buffer to remote DH-485 CIF file
CALL 118
PLC/SLC unsolicited writes
CALL 120
clear BASIC module input and output buffers
String Calls
DH-485 Communication