Crouzet CTR24 Catalog Page

Electronic counters without preselection

➜ Totalizers without preselection - LCD 24 x 48 - CTR24

■ Display: 8-digit LCD, height 8 mm

■ Powered by a lithium battery

■ Counter inputs: solid state (4-30 V

(10

➞ 260 V

)

a

■ Reset on panel or external with inhibition option

■ Backlit model (2341-2351-2342)

■ Counting directions can be selected with input (2241-

2341/2251-2351)

■ Accessories for 50 x 25 mm cut-out

Part numbers

Type Type Functions Code

CTR24 non-backlit model 2241 Solid state input, lithium battery PNP/NPN

CTR24 model with orange
backlighting

2251 Solid state input, lithium battery NPN/NPN
2242 Voltage input, lithium battery
2341 Solid state input, lithium battery PNP/NPN
2351 Solid state input, lithium battery NPN/NPN
2342 Voltage input, lithium battery

c

) or voltage

87622061
87622062
87622070
87622081
87622082
87622090

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)

26546843
26546844
26546840
26546848

General characteristics

Environmental characteristics

Consumption
Connection by 8 screw terminals at rear of casing
Connection capacity
Fixed using bracket
Degree of protection front face IP 65

Temperature limits use (°C) -10
Temperature limits stored (°C) -20
Breakdown voltage 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

Function Impulse counter
Display 8-digit LCD
Height digits (mm) 8
Counting capacity -9.999.999

Inputs 2241-2341

1 slow counting input for contact closure on NPN open-collector transistor
input (terminals 2-6)

1 input for high speed counting signal from voltage level (terminals 1-6)
Low level
High level
High-speed counting 12 KHz max.

Input impedance 100 KΩ PNP

Inputs 2251-2351

1 slow counting input for contact closure on NPN open-collector transistor
input (terminals 2-6)

1 input for high speed counting signal from voltage level (terminals 1-6)
Low level
High level
High-speed counting 7 KHz max.

Input impedance 1 MΩ

Backlighting: 24 Vc ± 20% 50 mA

✓

2

1.5 mm

✓

➞ +60
➞ +70

➞ 99.999.999 with elimination of zeros

✓

c

4

➞ 30 V

c

➞ 0.7 V

0

c

➞ 30 V

4

42 µs PNP

✓

3

➞ 30 V
➞ 0.7 V

0

➞ 30 V

3

70 µs NPN

PNP

c

c

c

56

www.crouzet-control.com

Reset - External 2241-2341 & 2251-2351

Volt-free contact or open collector (terminals 3-6)

✓

Inputs 2242-2342

1 input for slow counting 2 voltage levels
Voltage - Terminals 1-2

✓

10

➞ 260 V

z

Input impedance (kΩ) 160
Slow counting 30 Hz
Minimum pulse time 16 ms
Low level

High level

0
10

➞ 2 V

z

➞ 260 V

z

Reset - External 2242-2342

Voltage - Terminals 2-3

✓

Minimum pulse time 16 ms
Low level

High level

0
10

➞ 2 V

z

➞ 260 V

z

Reset to zero - Panel

Reset via Inhibited: Terminals 4-6 not connected

Active: Terminals 4-6 connected

Supply

1 lithium battery - Life (years) 8

Dimensions (mm)

CTR24 Fixing strip with clip-on yoke Panel cut-out

48

24

CTR24

19,3

22x45

1

2

+0,3

- 0

22,2

+0,6

45

2,8

47,7 3

Seal

1

Fixing yoke

2

4 appliances 26546843 - Adaptor for 50 x 25 mm cut-out -

+ 0,6

3045

+ 0,3

20 22,2

Fixed with screws

40

32

56

25X50

1

26546840 - DIN rail adaptor

101

45

50,4 x 25,4

26546844 - Adaptor for 50 x 25 mm cut-out ­Fixed with clips

53

28

4

25X50

Accessory supplied with the counter

1

4

45

www.crouzet-control.com

75

83

70

57