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english
english
Adding counter and position
indicator CXG 21
1. Description
• 6digit adding counter, resetable
• LED-Display with 8 mm high characters and
very high luminosity
• Display range -199999..999999 (overflow con-
dition will be indicated by flashing of the dis-
play)
• Programming of count functions and operating
parameters via the setting keys. During pro-
gramming the display guides the user with text
prompts.
• Optocoupler output (as option). Active at
count values
≤
0.
• Programmable features:
Input polarity (npn or pnp)
Max. count frequency (30 Hz or 20 kHz)
Input mode
Decimal point
Scaling factor
Reset mode:
electrical
manual
manual and electrical
no reset
Set point
2. Inputs
INP
A
Dynamic count input. Max. count frequency 30 Hz
or 20 kHz programmable via set up
INP
B
Dynamic count input. Max. count frequency 30 Hz
or 20 kHz programmable via set up
SET
Dynamic set input. Linked to the red set key.
3. Optocoupler Output
Active if count value
≤
0. Simple preset counter
can be realized, when using subtract mode.
4. Programming routine
Programmable parameters are shown in succes-
sion. After one pass, the device is fully pro-
grammed.
In each case the first shown item is the factory
preset.
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
Count input and count
direction input
INP A: count input
INP B: count direction
input
Differential input
INP A: count input adding
INP B: count input sub-
tracting
Quadrature input
INP A: count input 0°
INP B: count input 90°
Quadrature input with
pulse doubling
INP A: count input 0°
INP B: count input 90°
Each pulse edge of INP A
will be counted
4.3 Input mode
Summary of Contents for CXG 21
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