C.4.4 Motion detection Commands – NR, NT
The motion detection facility provides a means of disabling certain functions whenever a condition of
instability, or “motion”, is detected. The “no-motion” or “stable” condition is achieved whenever the signal
is steady for the period of time set by NT, during which it cannot fluctuate by more than NR increments.The
stable condition activates the relevant bit of responses to “Info Status” (IS).
ATTENTION:
The following functions are disabled if motion is detected: “Calibrate Zero” (CZ)
“Calibrate Gain” (CG) “Set Zero” (SZ) and “Set Tare” (ST).
NR
No Motion range
This is the range within which the weighing signal is allowed to fluctuate and still be considered as “stable”.
Permitted values are between 1 and 65 000.
Master ( PC / PLC ) sends
DAS 72.1 responds
Result
NR
¿
R+00010
Request: NR = 10 d
NR_2
¿
OK
Setting: NR = 2 d
WP
¿
OK
Setting saved
NR = 2 i.e. fluctuations within a maximum of ± 2 d, in the period NT, will be considered “stable”.
Factory default: NR = 1.
NT
Stabilisation time for in motion band
This sets the time (in milliseconds) over which the weight signal is checked to see if it is “stable” or has
“no-motion“. The weight signal has to vary by less than NR divisions over the time period NT to be
considered ‘stable’. Permitted range 1 ... 65 535 milliseconds.
Master ( PC / PLC ) sends
DAS 72.1 responds
Result
NT
¿
T+01000
Request: NT = 1 000 ms
NT_500
¿
OK
Setting: NT = 500 ms
WP
¿
OK
Setting saved
If the value of NT =500 milliseconds, the output must not fluctuate more than NR increments within 500
milliseconds in order to be considered “stable”.
Factory default: NT = 1 000 [=1000 ms].
Manual DAS 72.1
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