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D
D
OWNLOADING
ATA
D=degrees
G=grads (Impulse 200 only)
*csum
consists of an asterisk followed by a two-digit
hexadecimal checksum. The checksum is
calculated by XORing the eight binary data bits
of each character between the dollar sign and
the asterisk.
<CR><LF>
is a carriage return/line feed.
An invalid query will not be responded to by the
instrument.
Note: Historically, the HV data line has been the
most commonly used of all Criterion 400 data line
types, and hence is the only data line type supplied
in the Impulse.
Page 60
Specific Message Formats
The table on the following page shows example
message formats for each data type, in both CR400
and IP200/IP100 format.
The examples in the table use these values and
units:
HD: 22.58 feet (IP 200 only)
SD: 27.5 feet
VD: 15.7 feet (IP 200 only)
INC: 34.79 degrees (IP 200 only)
HT: 37.02 feet (IP 200 only)
RD: 41.00 feet (set point)
RC: 208.34 feet (HD total - IP 200 only)
Electronic Copy of LTI's Impulse User's Manual 8
-1.35 feet (difference)
244.00 feet (SD total)
th
Edition © October 1998
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