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Count frequency 521K:
Power supply DC:
Input level:
typ. Low Level:
typ. High Level:
Fmax*:
CntDir
UpDown
Up.Up
Quad1
Quad2
Quad4
Count frequency 522K:
Frequency measurement
Accuracy <0.1 %
Measuring principle:
< 38 Hz:
> 38 Hz:
Power supply DC:
Input level:
typ. Low Level:
typ. High Level:
Fmax*:
Tacho
Counting ranges 523K:
Seconds
Minutes
Hours
h.min.s
Accuracy
Minimum pulse length for the Reset input:
5 ms
Input sensitivity:
Standard sensitivity: Low: 0 ... 0,2 x U B [V DC]
5 V sensitivity:
Pulse shape:
Optocoupler output (optional):
NPN optocoupler with open collector and open
emitter; max. switching performance:
30 V DC/10 mA
* at maximum frequency square wave pulses 1:1
24 V
12 V
10 ...30 V
Standard
5V
2,5 V 2,0 V
1,0 V
22,0 V 10 V
4,0 V
kHz
kHz
kHz
60
20
8
25
15
8
25
15
8
25
15
8
25
15
8
15
15
period measurement
gating time measurement
gating time 26,3 ms
24 V
12 V
10 ...30 V
Standard
2,5 V 2,0 V
1,0 V
22,0 V 10 V
4,0 V
kHz
kHz
kHz
60
20
0.001 s ... 999 999 s
0.001min ... 999 999 min
0.001 h ... 999 999 h
00 h 00 min 01 s
... 99 h 59 min 59 s
<50 ppm
High: 0,6 x UB ... 30 V DC
Low: 0 ... 2 V DC
High: 4 ... 30 V DC
any*, Schmitt-Trigger inputs
Ambient temperature:
Storage temperature:
EMC:
In compliance with the EC Directive 2004/108/EEC
Noise emission
Noise immunity
Housing:
For front panel mounting: 48 x 24 mm
acc. to DIN 43700, RAL7021, dark grey
Weight:
Protection:
Cleaning:
The front of the units is to be cleaned only with a
soft wet (water !) cloth.
6. Terminal assignment
5V
without optocoupler
1 10 ... 30 V DC
2 0 V GND
3 INP A
8
4 INP B (522K: n.c.)
5 SET/RESET (522K: n.c.)
with optocoupler
1 10 ... 30 V DC
2 0 V GND
3 INP A
4 INP B (522K: n.c.)
5 SET/RESET (522K, n.c.)
6 Emitter
7 Collector
7. Delivery includes:
1 Digital display
1Panel mounting clip
1 Bezel for screw mounting,
panel cut out 50 x 25 mm
1 Bezel for clip mounting,
panel cut out 50 x 25 mm
1 Seal
1 Operating instructions
–20 ...+65 °C
–25 ... +70 °C
EN 61 000-6-3
EN 55 011 Class B
EN 61 000-6-2
appr. 50 g
IP 65 (front)
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