CF 126
45
Nov 2001
Example
"#0012FJ12
↵
" turns on relays 3 and 4 of channel 12
Reply
"OK" or "ERROR"
RA/WA
Read/write Limit Set Point
Purpose
Reads or writes the SET POINT of a limit
Usage
"#aaRApp
↵
" to read, "#aaWAppn
↵
" to write.
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
pp is the two-numeric-character limit number.
n is the limit SET POINT value.
↵
is the 'carriage return' character (ASCII decimal 13).
Example
Sending "#00WA01325 .2
↵
” will change the SET POINT of Limit 1 to 325.2
Reply
When writing: "OK", "ERROR" or "N/A"
When reading: a floating-point value, or "N/A".
Remarks
This command does not apply to instruments not equipped with limits, such as the DFI
1550.
RB/WB
Read/write Limit Return Point
Purpose
Reads or writes the RETURN POINT of a limit.
Usage
"#aaRBpp
↵
" to read, "#aaWBppn
↵
" to write.
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
pp is the two-numeric-character limit number.
n is the limit RETURN POINT value.
↵
is the 'carriage return' character (ASCII decimal 13).
Example
Sending "#00WB04415 .5
↵
" will change the RETURN POINT of Limit 4 to 415.5.
Reply
When writing: "OK", "ERROR" or "N/A"
When reading: a floating-point value or "N/A"
Remarks
This command does not apply to instruments not equipped with limits, such as the DFI
1550.
RC/WC
Read/Write Limit Operation
Purpose
Reads or writes the operation of a limit.
Usage
"#aaRCpp
↵
" to read, "#aawcppn
↵
" to write.
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
pp is the two-numeric-character limit number.
n is the argument defined below.
↵
is the 'carriage return' character (ASCII decimal 13).
Argument
The argument is created by adding together the values of the desired options as shown.
Channel Value Enable Value
01 256. OFF 0.
02 512. ON 1.
03 768.
04 1024.
05 1280. Latching Value
06 1536. OFF 0.
07 1792. ON 2.
08 2048.
09 2304.
10 2560. Source Value
11 2816. TRACK 0.
12 3072. PEAK 4.
13 3328. VALLEY 8.
14 3584.
15 3840.
16 4096.
