8
Instruction leaflet
IL05407002E
Effective October 2010
E5-648-C242x
electronic preset counter
with two presets
eaton corporation
www.eaton.com
Division factor
Division factor can be programmed from
01.0000 to 99.9999.
The setting <01.0000 will not be accepted
Decimal point setting
Decimal point (only optical function)
0
no decimal place
0.0
1 decimal place
0.00
2 decimal places
0.000
3 decimal places
0.0000 4 decimal places
0.00000 5 decimal places
Set value
Set value can be programmed from
–999999 to 999999
A previously programmed decimal point
will be displayed
7.8.4.4 Main menu for reset mode
Setting the reset mode
Manual reset (with red key)
and electrical reset (reset input)
No reset possible
(red key and reset input inhibited)
Only electrical reset possible (reset input)
Only manual reset possible (red key)
7.8.4.5 Preset 1
See below 7.8.6.5
7.8.4.6 Preset 2
See below 7.8.6.8
7.8.5 Tacho/frequency meter
7.8.5.1 Main menu for Signal and Control inputs
Main menu for programming the
signal and control inputs
Input polarity
PNP: switching to Plus
for all inputs in common
NPN: switching to 0V
for all inputs in common
Filter for signal inputs Inp A and Inp B
Maximum count frequency
Damped to approx. 30 Hz
(for control with mechanical contacts)
Input mode frequency measurement
Simple frequency measurement
Inp A: Frequency input
Inp B: No function
Differential measurement [A – B]
Inp A: Frequency input A
Inp B: Frequency input B
Total measurement [A + B]
Inp A: Frequency input A
Inp B: Frequency input B
Frequency measurement with direction
recognition [Quad]
Inp A: Frequency input 0°
Inp B: Frequency input 90°
Ratio measurement [A/B]
Inp A: Frequency input A
Inp B: Frequency input B
Percentage differential measurement
[(A-B)/A in %]
Inp A: Frequency input A
Inp B: Frequency input B
User input
When the MPI input is activated, the
display is “frozen” and remains “frozen”
until the MPI input is deactivated.
Internally the frequency meter
continues running
When the MPI input is activated, the
current frequency for the preset that has
just been selected will be adopted as the
new preset value. See also 7.9
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