Cooper Instruments & Systems DFI 1650 Multi-Channel Digital Force Indicator User Manual
Page 26
CF 126
23
Nov 2001
Reply
A list card types, followed by a CRC check.
The list of card types consists of a series of two hexadecimal - characters for every
installed channel in the instrument. Note that the display is considered to be an installed
channel with a channel number of "00".
The CRC check consists of four hexadecimal characters, which is the 16-bit Cyclic
Redundancy Check of the ASCII characters 8 in the reply. The polynomial used is
Remarks
This command is intended for internal factory use.
The number of channels installed in the instrument (not including the display) can be
determined by counting the number of characters in the reply.
NumChannels=NumCharacters –3
2
Chapter 8 Strain-Gage Input Channel Commands
8.1 Introduction
These commands affect the operation of Strain-Gage Input channels.
8.2 Descriptions
F0
Transmit Track Data
Purpose
To transmit the channel's tracking data value
Usage
“#aacc
F0
↵”
# is the 'pound' or 'hash' character (ASCII decimal 35). aa is the two-character instrument
address. cc is the two-character channel number
↵ s the 'carriage return' character (ASCII decimal 13).
Example
“#0001F0
↵”
Reply “5670.5”
(typical)
Remarks
The input channel continuously reads the transducer. This function transmits the most
recent reading.
F1
Activate Tare
Purpose
To reset the channel's data values to zero.
Usage
“aacc
F1
↵”
# 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
“#0001F1
↵”
Reply "OK"
F2
Deactivate Tare
Purpose
To remove the offset from the channel's data values which was applied when tare was
activated.
Usage
“aacc
F2
↵”
# 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
“#0001F2
↵”
Reply "OK"