ASL INTERCOM F200, Quick Start Manual

Page: 47 / 73

Communications Interface
8.3.6 Long form short form commands
Command words have a long form and short form version, the short form version is indicated by
upper case characters.
Example:
SYSTem:REMote long form
SYST:REM short form
8.3.7 Case sensitivity
Command words are not case sensitive, you can use upper or lower case characters or any
combination. Example:
SYSTEM:REMOTE = system:remote
8.3.8 Command Terminators (CR) or (CR)(LF)
All commands sent to the instrument must be terminated with a carriage return (CR) character. It is
permitted to send (CR)(LF) to terminate a message; the (LF) is ignored.
8.3.9 Input Buffer
The instrument receives messages into an input buffer and only starts executing commands after
receipt of a command terminator.
8.3.10 Output Data Format
Non-reading queries <80 ASCII character string
Reading Temperature SDDDD.DDD (CR) (LF)
Resistance SDDD.DDDD (CR) (LF)
Talk Only format Chx, SDDDD.DDD, “Units” (CR) (LF)
where Chx = channel number
S = sign (
negative, blank positive)
D = decimal Digit (0-9)
“Units” = selected measurement units C, F, K or R
(CR) = carriage return character
(LF) = linefeed character
Page 8-4 F200-14-001
ASL 2003