ECH7700
  • 2x6 digit indicator

  • Programmable as Counter and RPM/Tachometer

  • 6 digits Batch Counter

  • 9 digits Total Counter

  • Period time differences, pulse time, turnover and speed measurement

  • Easy to use front panel keypad

  • Counts Up or Down acording to input phase difference.

  • Input frequency can be selected.

  • Input signal can be calibrated to the desired value by multiplying between 0.000001 and 99.9999

  • Decimal point can be set between 1 and 5

  • Sensor input type can be selected by using keypad (PNP, NPN)

  • Dual setpoint and dual contact relay

  • Output contact relay can be adjusted to continuous output or between 0.01 and 999.9s intervals

  • Output delay time can be adjusted in Tachometer Mode

  • Functional reset option

  • 0-500000 Offset option

  • Parameter access protection

  • RS485 Modbus communication interface

  • CE marked according to European Norms

Manuals

Environmental Conditions
Ambient/Storage Temperature0 ...50 ºC / -25...70 ºC
Relative Humidity80% Relative humidity for temperatures up to 31 °C, decreasing linearly to 50% at 40 °C
Protection DegreeAccording to EN 60529 Front panel: IP65, Rear panel: IP20
HeightMax. 2000m
Electrical Characteristics
Supply90-250V AC 50/60Hz or 24V AC ±10%, 50/60Hz or 9-30V DC / 7-24V AC ±10% SMPS
Power Consumption5VA
External ConnectionsPlug-in terminals
Input
Count Inputs CPA, CPB2 Channels (Max. 50kHz, 5V to 30V pulses), can be selected as PNP or NPN input
Counting Frequency20Hz, 50Hz, 100Hz, 500Hz, 1000Hz, 5000Hz, 10kHz, 20khz, 30kHz and 40kHz
Reset InputPNP: Positive Reset (Can be adjusted between 1 to 100ms for 5V to 30V pulses)
NPN: GND terminal can be reset by connecting to "RESET IN" terminal
Output
Control Output OUT1250V AC, 2A (for resistive load), NO+NC
Control Output OUT2250V AC, 2A (for resistive load), NO
SSR1, SSR2 OutputOpen collector output (S.S. OUT): Max. 30V DC, 50mA
Sensor (Auxiliary) Supply Output12V DC, Max. 50mA (unregulated)
Life ExpectancyMechanical 5.000.000 operations (under no load), Electrical 200.000 operations (2A at 250V AC, resistive load)
Accuracy±0.01% ± 1ms
Housing
Mounting MethodPanel mounting
DimensionsW72xH72xD97 mm
WeightApprox. 230g (after packaging)
Enclosure MaterialSelf extinguishing plastics