Cooper Instruments & Systems DFI 1650 Multi-Channel Digital Force Indicator User Manual
Page 38
CF 126
35
Nov 2001
Using pp="02" accesses the "AUX1 FUNCTION" menu item.
Using pp="03" accesses the "AUX2 FUNCTION" menu item.
When writing these parameters:
n=0 means the Auxiliary Function pin is disabled.
n=1 means track hold.
n=2 means peak & valley hold.
n=4 means peak & valley clear (edge triggered)
n=16 means activate Tare function.
n=32 means deactivate Tare function.
Example
Sending "#0001WP0216
↵" will allow the assertion of channel
01 's Auxiliary 1 Function pin to activate the Tare function. The instrument will reply with
"OK".
Reply
When writing: "OK" or "ERROR"
When reading: a numeric value according to the information above.
RQ/WQ
Read/write Display Formatting
Purpose
Reads or writes the operation of the channel's display formatting.
Usage
"#aaccRQ
↵" to read, "#aaccWQn↵" to write.
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
cc is the two-character channel 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.
Digits Value Decimal Point Value
5 (bipolar) 0. 0 0.
6 (Unipolar) 32. 1 1.
7 (Unipolar) 3104. 2 2.
3 3.
4 4.
5 5.
Count-By Value
1 0.
2 152. Averaging Value
5 280. OFF 0.
10 8. ON 64.
20 408.
100 16.
200 664.
Example
It is desired to set channel 08's display to operate as shown:
Two digits after decimal point = 2
5 digit, bipolar display = 0
Count by one digit = 0
Enable display averaging = 64
Sending "#0008WQ66
↵" will change display operation accordingly.
Reply
When writing: "OK" or "ERROR".
When reading: an ASCll-floating-point value described above.
RR
Read Version Info
Purpose
Read version information found on the "VERSION INFO" menu item.
Usage
"#aaccRR
↵"
# is the 'pound' or 'hash' character (ASCII decimal 35).
aa is the two-character instrument address.
cc is the two-character channel number
↵ is the 'carriage return' character (ASCII decimal 13)
Example
"#0001RR
↵"