CTR24 with orange backlighting

KEY FEATURES

  • Display : 8-digit LCD, height 8 mm
  • Powered by a lithium battery
  • Counter inputs : solid state (4-30 V\⎓) or voltage (10 →260 V∿)
  • 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
DescriptionFunctionsCode
2341Solid state input, lithium battery PNP/NPN87622081
2351Solid state input, lithium battery NPN/NPN87622082
2342Voltage input, lithium battery87622090

Specifications


Consumption Backlighting : 24 V⎓ ± 20 % 50 mA
Connection by 8 screw terminals at rear of casing
Connection capacity 1,5 mm2
Fixed using bracket
Degree of protection front face IP 65
Temperature limits use (°C) -10 →+60
Temperature limits stored (°C) -20 →+70
Breakdown voltage 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

Function Impulse counter
Display 8-digit LCD
Height digits (mm) 8
Counting capacity -9,999,999 →99,999,999 with elimination of zeros

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) 4 →30 V⎓
Low level 0 →0,7 V⎓
High level 4 →30 V⎓ PNP
High-speed counting 12 K Hz max. 42 μs PNP
Input impedance 100 KΩ PNP

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) 3 →30 V⎓
Low level 0 →0,7 V⎓
High level 3 →30 V⎓
High-speed counting 7 K Hz max. 70 μs NPN
Input impedance 1 MΩ

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

1 input for slow counting 2 voltage levels
Voltage - Terminals 1-2 10 →260 V∿/⎓
Input impedance (kΩ) 160
Slow counting 30 Hz
Minimum pulse time 16 ms
Low level 0 →2 V∿/⎓
High level 10 →260 V∿/⎓

Voltage - Terminals 2-3
Minimum pulse time 16 ms
Low level 0 →2 V∿/⎓
High level 10 →260 V∿/⎓

Reset via Inhibited : Terminals 4-6 not connected Active : Terminals 4-6 connected

1 lithium battery - Life (years) 8

Technical sketches

CTR24

CTR24

Fixing strip with clip-on yoke

Fixing strip with clip-on yoke
Legend
1-
Seal
3-
Fixing yoke

Panel cut-out

Panel cut-out

4 appliances

4 appliances

26546843 - Adaptor for 50 x 25 mm cut-out - Fixed with screws

26546843 - Adaptor for 50 x 25 mm cut-out - Fixed with screws

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

26546844 - Adaptor for 50 x 25 mm cut-out - Fixed with clips
Accessory supplied with the counter

26546840 - DIN rail adaptor

26546840 - DIN rail adaptor

2241-2341

2241-2341
Legend
1-
Fast count
2-
Slow count
3-
Reset input 12 ms
4-
Enable panel reset
5-
Mode 1 (Time selection)
6-
0 V common/ (BL- only 23xx)
7-
Backlighting option + (only 2341)
8-
Backlighting option + (only 2341)

2241-2341

2241-2341
Fast count input PNP Transistor or 3-wire PNP proximity sensor (for leakage current detector ≤ 1  mA)

2241-2341

2241-2341
2-wire proximity sensor fast count input

2241-2341

2241-2341
2-wire proximity sensor fast count input

2241-2341

2241-2341
Slow count input (2) or reset input (3)

2241-2341

2241-2341
Slow count input (2) or reset input (3)

2241-2341

2241-2341
Slow count input (2) or reset input (3) - Contact not supplied with power

2241-2341

2241-2341

2251-2351

2251-2351
Legend
1-
Fast count
2-
Slow count
3-
Reset input 12 ms
4-
Enable panel reset
5-
Mode 1 (Time selection)
6-
0 V common/ (BL- only 23xx)
7-
Backlighting option + (only 2351)
8-
Backlighting option + (only 2351)

2251-2351

2251-2351
Fast count input NPN - Voltage

2251-2351

2251-2351
Fast count input NPN Transistor or 3-wire PNP proximity sensor (for leakage current detector ≤ 1  mA)

2251-2351

2251-2351
2-wire proximity sensor fast count input

2251-2351

2251-2351
Slow count input (2) or reset input (3)

2251-2351

2251-2351
Slow count input (2) or reset input (3) - Contact not supplied with power

2251-2351

2251-2351
Slow count input (2) or reset input (3) - Contact not supplied with power

2242-2342

2242-2342
Legend
1-
Fast count
2-
AC/DC common
3-
Reset input 12 ms
4-
Enable panel reset
5-
NC
6-
0 V common/ (BL- only 23xx)
7-
Backlighting option + (only 2342)
8-
Backlighting option + (only 2342)

2242-2342

2242-2342
Counter or reset input - Voltage

2242-2342

2242-2342
Counter or reset input - Contact supplied with power

2242-2342

2242-2342
Counter or reset input PNP Transistor or 3-wire PNP proximity sensor (for leakage current detector < 1  mA)

2242-2342

2242-2342
Counter or reset input NPN Transistor or 3-wire PNP proximity sensor (for leakage current detector < 1  mA)

2242-2342

2242-2342
Start/Stop or reset input : 2-wire proximity sensor R=470 Ω/2 W for 2-wire leakage current detector ≤ 1  mA
PH 87621112

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