Electronic counters without preselection Totalizers without preselection - LCD 24 x 48 - CTR24 Display: 8-digit LCD, height 8 mm Powered by a lithium battery c Counter inputs: solid state (4-30 V ) or voltage a (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 Part numbers Type Type Functions Code CTR24 non-backlit model 2241 Solid state input, lithium battery PNP/NPN 87622061 2251 Solid state input, lithium battery NPN/NPN 87622062 2242 Voltage input, lithium battery 87622070 CTR24 model with orange 2341 Solid state input, lithium battery PNP/NPN 87622081 backlighting 2351 Solid state input, lithium battery NPN/NPN 87622082 2342 Voltage input, lithium battery 87622090 Accessories Description Code Adaptor for 50 x 25 mm cut-out - Fixed with screws 26546843 Adaptor for 50 x 25 mm cut-out - Fixed with clips 26546844 DIN rail adaptor 26546840 Clip-fixing kit (supplied with the product) 26546848 General characteristics Environmental characteristics Consumption c Backlighting: 24 V 20% 50 mA Connection by 8 screw terminals at rear of casing 2 Connection capacity 1.5 mm Fixed using bracket Degree of protection front face IP 65 Temperature limits use (C) -10 +60 Temperature limits stored (C) -20 +70 Breakdown voltage Selon 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 99.999.999 with elimination of zeros 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) c 4 30 V Low level c 0 0.7 V High level c 4 30 V PNP High-speed counting 12 KHz max. 42 s PNP Input impedance 100 K 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) c 3 30 V Low level c 0 0.7 V High level c 3 30 V High-speed counting 7 KHz max. 70 s NPN Input impedance 1 M 1Reset - 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 z 10 260 V Input impedance (k)160 Slow counting 30 Hz Minimum pulse time 16 ms Low level z 0 2 V High level z 10 260 V Reset - External 2242-2342 Voltage - Terminals 2-3 Minimum pulse time 16 ms Low level z 0 2 V High level z 10 260 V 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 +0,6 48 1 45 CTR24 2 19,3 2,8 47,7 3 Seal 1 2 Fixing yoke 4 appliances 26546843 - Adaptor for 50 x 25 mm cut-out - 26546844 - Adaptor for 50 x 25 mm cut-out - Fixed with screws Fixed with clips + 0,6 45 30 56 53 1 4 1 4 Accessory supplied with the counter 26546840 - DIN rail adaptor 101 50,4 x 25,4 45 70 2 45 24 + 0,3 20 22,2 22x45 75 83 40 32 25X50 28 +0,3 22,2 - 0 25X50