Chapter Six: RS-232 Communications Option RS-232 Messa
es
97
Example 2: How To Set the Trip Point Hysteresis
The hysteresis value is defined as a ± percent of the trip point value and can range from 0 to
10%. Refer to
How To Adjust Hysteresis,
page 78, for a complete discussion of hysteresis.
To set the hysteresis value for TP B to 0.1%, enter:
@421.1
ENTER
The 670 instrument will return the same command to indicate that the command was
accepted.
Note
The 670 instrument will accept fractional entries with or without the
leadin
zero. For exam
le,
ou ma
enter either “@4210.1” or “@421.1”
as the hysteresis value.
Example 3: How To Set the Trip Point Channel
To set the trip point channel for TP A to Channel 3 (assuming that you have a 274
multiplexer connected to the 670 instrument):
@4402
ENTER
The 670 instrument will return the same command to indicate that the command was
accepted.
Note
The 670 instrument allows
ou to select Channels 2 and 3 even if the 670
is
not
connected to a 274 multiplexer. This enables you to configure the
670 instrument in one location and then insert it into a system with a 274
multiplexer, without modification.
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