Cooper Instruments & Systems DFI 1650 Multi-Channel Digital Force Indicator User Manual
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Rev. C 2/05
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.
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
POWER-ON SOURCE Menu Item
This menu selects which value is displayed by the channel when first entering the RUN mode.
The choices are:
• “TRACK” means the live tracking value of the channel
• “PEAK” means the highest value of the channel.
• “VALLEY” means the lowest value of the channel.
• “TRACK/PEAK” means the live tracking value and the highest value of the channel (only available on DFI
SC3004)
• “TRACK/VALLEY” means the live tracking value and the lowest value of the channel (only available on DFI
SC3004)
• “PEAK/VALLEY” mans the highest and lowest values of the channel. (only available on the DFI SC3004)
10.5.2 DISPLAY SETUP Sub-Menu
This menu controls how data values are displayed by the channel and transmitted via serial communications.
DISPLAY.DIGITS Menu Item
Selects the number of digits displayed by the channel. The choices are:
• “5 DIGIT-BIPOLAR” displays both positive and negative numbers with five full digits (±999999).
• “6 DIGIT-UNIPOLAR” displays positive numbers with six full digits (999999) and negative numbers with five full
digits (-99999).
• “7 DIGIT UNIPOLAR” displays positive number with seven full digits (9999999) and negative numbers with six
digits (-999999).
This menu item may be automatically updated by a transducer’s Signature Module.
DISPLAY.DECPT Menu Item
Selects the decimal point location on the channel’s display and serial communications output. Use the [UP] and
[DOWN] buttons to move the decimal point to the right and left.
This menu item may be automatically updated by a transducer’s Signature Module.
DISPLAY.COUNT-BY Menu Item
Determines by what value the display increments or decrements. This will make the display less sensitive to a
noisy signal. The choices are:
• “00001”
• “00002”
• “00005”