Motrona - DX342/345/346/347/348 Hi-Speed Counters Operation modes-Encoder Count & Speed, Reciprocal Speed & Timer

Model Numbers

DX 342  Electronic Counter (2 relays, serial RS232/485 interface)
DX 345 Electronic Counter (Display Only)
DX 346 Electronic Counter (Analogue output)
DX 347 Electronic Counter (2 presets / transistor outputs)
DX 348 Electronic Counter (serial RS232 / RS485 interface)

Features

  • Universal multi-function counters with multiple operation modes as qudrature counter, event counter, display or RPM, speed, cycle rate, baking and prcessing time and timer/ stopwatch functions. 
  • Counting Frequency 100 kHz (A/B qudrature count)
  • Dimensions 96 x 48 mm (3.780 x 1.890") and 6 decade LED display at 15 mm (0.590" size
  • Universal inputs for sensors and encoders with PNP/NPN or Namur characteristics (HTL level 10-30V)
  • Easy scaling and setup by means of 3 front keys and menu support
  • Selectable linearization function with 16 interpolation points
  •  Power supply 115/230 VAC or 24 VDC (model DX342: 24 VDC only) 

Specifications

Power Supply Voltage 24VDC (17-30V) 
 Consumption (without sensor) 18 V = 120 mA, 24 V = 95 mA, 30 V = 80 mA (approx.) 
 Aux. Voltage for encoder supply 24V DC, ±15%, 120 mA (5 VDC / 120 mA with option TTLIN1) 
 Inputs 3 (PNP/NPN/Namur), A/B = Impulse, C = Reset 
 INput Currents 5.1 mA / 24 V (Ri = 4.7 k Ohms) 
 Input Level HTL (Standard) Low: 0 - 3,5 V, High : 9 - 30V 
 Input Level TTL (option TTLIN1) CMOS levels, Low: 0 - 0.8V, High: 3.6 -5.0 V 
 Max. input Frequency

All Counter Modes: 100kHz

All other operating modules: 25kHz

Reset input C: 1 kHz (min. Pulse duraction 500 usec) 
 Dispaly update Rate Approx. 7 msec (330 msec with tachometer operation) 
 Accuracy (frequency measurement) ±1 ppm ±1 Digit 
 Serial Interface RS232 or RS485 ( Switch selectable) 600 - 38400 bauds 
 Ambient Temperature

Operation: 0° - 45°C (32 - 113°F)

Storage -25° - +70°C (-13 - 158°F)
 Housing Norly UL94 - V-0 
 Display 6 Digit, LED, high-efficiency orange, 15mm (0.59")
 Protection Class Front IP65, Rear IP20 
Terminals Singals max. 1.5mm², relay outputs max. 2.5 mm² 
 Relays 2 x dry change-over contacts, each 250 VAC / 1A / 250 VA or 100VDC / 1A / 100 W 
 Weight (net) approx. 450g 
 Conformity and Standards EMC 2004/108/EC: EN61000-6-2, EN61000-6-3; LV2006/95/EC: EN61010-1