Crouzet 87623570 Data Sheet

Electronic multifunction counters without preselection

➜ Multifunction counter - LED 24 x 48 - CTR24L

■ High brightness display: 6-digit LED, height 8 mm

■ Maximum input frequency 50 k Hz

■ Programmable multifunction: Counter/Tachometer/

Chronometer

■ Reset on panel or external with inhibition option

■ Supply: 10 ➞ 30 V

■ Easy to program

■ Scaling factor (Counter - Tachometer)

■ Decimal point (Counter - Tachometer)

■ Timing range 0.001 s ➞ 999.999 hrs (Chronometer)

■ Impulses or time measured in hrs/min/sec and in real

time (Chronometer)

■ Accessories for 50 x 25 mm cut-out

Part numbers

Type Functions Code

CTR24L - 2511 Counter, Tachometer, Chronometer

Accessories

Description Code

Adaptor for 50 x 25 mm cut-out - Fixed with screws
Adaptor for 50 x 25 mm cut-out - Fixed with clips
DIN rail adaptor
Clip-fixing kit (supplied with the product)

General characteristics

Environmental characteristics

Consumption
Connection by 5 screw terminals at rear of casing
Connection capacity
Fixed using bracket
Degree of protection front face IP 65

Data memory EEPROM
Temperature limits use (°C) -20
Temperature limits stored (°C) -25
Dielectric strength According to EN 61010-1: 2000 V/50 Hz/1 min
Conformity to standards EN 61000-6-2 - EN 55011 class B
Altitude 2000 m
Certifications UL - cULus (pending) - CE
Weight (g) 50

Operating characteristics

Functions Impulse counter, Tachometer, Chronometer
Display 6-digit LED
Height digits (mm) 8

Input characteristics

Inputs 2 counter inputs, 1 reset input
High level

Low level
Cyclical ratio Any (maximum frequency given for a cyclical ratio = 1/1)

Polarity NPN or PNP for all inputs (programming)
Minimum impulse duration for reset 5 ms
Frequency of filtered input Filter active: 30 Hz

Input impedance (kΩ) Appr. 5

Impulse counter

Display details - 19 999
Elimination of non-significant zeros

c

26546843
26546844
26546840
26546848

c

➞ 30 V

10

✓

1.5 mm

✓

➞ 0.2 x Ub V

0

0.6 x Ub

Schmitt trigger input

Filter disabled: maximum frequency (programming)

✓

max 55 mA with protection against polarity reversal

2

➞ +55
➞ +70

c

c

➞ 30 V

➞ 999 999

87623570

Counting input modes Cnt.Dir ➞ Counter input INPA and counter direction input INPB

Inputs INPA / INPB Dynamic
Reset input (terminal 5) Dynamic Reset input connected in parallel with the red SET/RESET button

Reset to zero - Panel If not locked during programming
Remise à zéro - Externe (borne 5) If not locked during programming
Scale factor 1
Scaling factor 1
Decimal point 0

Maximum counting frequency CntDir

Tachometer

Display details 0
Elimination of non-significant zeros

Conversion time 1/s ou 1/min
Input INPA Dynamic
Accuracy < 0.1%
Measurement principle < 38 Hz: measurement of period duration

Scale factor 1
Scaling factor 1
Decimal point 0

Maximum counting frequency 50 kHz

Chronometer

Display details 0.001 s
Elimination of non-significant zeros

Functions GatE.Lo ➞ Time measurement if INPB is not active

Input INPA Start
Input INPB Start/Stop or Gate (depends on the input mode chosen)
Remise à zéro - Externe (borne 5) If not locked during programming
Reset input (terminal 5) Dynamic Reset input connected in parallel with the red SET/RESET button

Reset to zero - Panel If not locked during programming
Accuracy < 50
Decimal point 0

Time ranges 0.001 s

Up.dn

➞ INPA INPB differential counting

Up.up ➞ Sum of INPA + INPB
QuAd

➞ Phase discriminator

➞ Phase discriminator with doubling of impulses

QuAd2
QuAd4

➞ Phase discriminator with quadrupling of impulses

Sets the counter to the defined preset value

➞ 99.9999
➞ 99.9999

0.0

0.00

0.000

➞ 50 kHz

UpDown ➞ 25 kHz
UpUp

➞ 25 kHz

Quad1 ➞ 25 kHz
Quad2

➞ 25 kHz

Quad4 ➞ 15 kHz

➞ 999 999

✓

> 38 Hz: measurement with duration time base = 26.3 ms

➞ 99.9999
➞ 99.9999

0.0

0.00

0.000

➞ 999 999 h

✓

GatE.hi ➞ Time measurement if INPB is active
Inb.Inb

➞ Time measurement on/off via the INPB edge

InA.Inb ➞ Measurement on via the INPA edge, measurement off via the
INPB edge

Sets the counter to the defined preset value

0.0

0.00

0.000

➞ 999 999 s

0.001 min ➞ 99 999 min

0.001 h

➞ 999 999 h

00 h 00 min 01 s ➞ 99 h 59 min 59 s

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