Honeywell SC1000 - Manual (Page 63)

SC Series Instruction Manual page 63
Strain-
Gage
Input
C
ha
nnel
10
10.5 Channel Menu
Each Strain-Gage Input channel is configured and calibrated via its channel
menu. Detailed instructions on operating the instrument in the SETUP Menu
mode can be found in “SETUP Menu mode” on page 23. A diagram of all menus
is located in “Setup Menu Reference” on page 157.
10.5.1
OPERATION
Sub-Menu
This menu controls the operation of this channel when the instrument is in the
RUN mode.
AUTO-ZERO
Menu Item This enables or disables the channel’s automatic zeroing function. The auto-zero
function can be beneficial by removing the effect of slight temperature shifts in the
transducer’s output. The two options for this menu item are “
ON
” and “
OFF
”.
When enabled, the channel will reset its tracking value to zero when the tracking
value has never been more positive than +10 or more negative than -10 display
counts for any 10 second period.
For example, assume that the
DISPLAY.DECPT
menu item is set to
000.00
(two deci-
mal points). If the tracking value never leaves the range of
-000.10
to
+000.10
for
any 10 second period, then tracking value will reset to
000.00
automatically.
FREQ. RESPONSE
Menu Item This sets the frequency response, step response, and resolution of the channel
according to the table below. The tracking value, peak/valley detector values and
analog output on this channel are all affected. The default value of
016. HERTZ
is
suitable for most applications.
NOTICE
To compensate for the transducer’s initial warm-up shift, the auto-zero function
operates every 2 seconds during the first 60 seconds of RUN mode operation.
Frequency
Response
Step Response
(ms) (typical)
Resolution (counts) (not
including min. 10% overrange/
underrange capability)
002. HERTZ/FAST 40 ±50000
002. HERTZ 440 ±50000
008. HERTZ 110 ±25000
016. HERTZ 55 ±20000
032. HERTZ 28 ±10000
050. HERTZ 16 ±5000
100. HERTZ 8 ±5000
250. HERTZ 3 ±2000
500. HERTZ 2 ±2000
800. HERTZ 2 ±2000