User manual

16
Frequency meter / Tachometer
1. Description
• 6digit tachometer/frequency meter
• LED-Display with 14 mm high characters and
very high luminosity
• Display range -199999..999999. (Overflow
condition will be indicated by flashing of the
display)
• Programming of count functions and operating
parameters via the setting keys. During
programming the display guides the user with
text prompts.
• Optocoupler output (optional). Active at f=0 Hz.
• Programmable features:
Input polarity (npn or pnp)
Max. count frequency (30 Hz or 20 kHz)
Decimal point
Scaling factor
Display mode
1/min
1/sec
Time to wait until „0“ is displayed
2. Inputs
INP
Dynamic count input. Max. count frequency 30 Hz
or 20 kHz programmable via set up
3. Optocoupler Output
Active at f=0. Can be used e.g. to activate a „No
operation“ lamp.
4. Programming routine
Programmable parameters are shown in
succession. After one pass, the device is fully
programmed.
In each case the first shown item is the factory
preset.
4.5 Display mode frequency meter
Calculating and displaying
the value to 1/sec
Calculating and displaying
the value to 1/min
4.1 Input polarity
npn: switching to 0 V
pnp: switching to +24 V
4.2 Activating the 30 Hz filter
max. count frequency
20 kHz
max. count frequency
30 Hz
4.3 Scaling factor
It can be set from 00.0001
up to 99.9999. The
decimal point is set to 4
decimal places.
„0“ won’t be accepted!
4.4 Decimal point
The decimal point defines
the way of displaying the
count values. It does not
affect counting.
0 no decimal place
0.0 one decimal place
0.00 two decimal places
0.000 three decimal
places