Modbus & Serial Output Transmitter for Frequency, Rate or Period

Dual channels. Rate and total in same transmitter. DIN Rail mounted, digitally programmable.

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Serial ASCII or Modbus Transmitter, Frequency, Rate or Period Input

Key Features

Selectable Modbus or Laurel ASCII protocol
Selectable "count by" of 10 or 100 with rounding
Line frequency measurement to 60.0000 in a few line cycles
Square root extraction standard
DIN rail mount housing only 22.5 mm wide
5V, 10V or 24V dc sensor excitation output, isolated
Dual solid state relays for alarm or control, isolated
0-10V, 4-20 mA or 0-20 mA transmitter output, isolated
Universal AC power, 85-264 Vac
Priced at only $235 (basic pulse input transmitter)

Pulse Input
Types Ch A Frequency, Max Ch B Frequency, Max Signal Ground Minimum Signal Maximum Signal Maximum Frequency Contact Debounce Time Base Accuracy Span Tempco Long-term Drift	AC, pulses from NPN, PNP transistors, contact closures, magnetic pickups. 1 MHz 250 kHz Common ground for channels A & B Nine ranges from (-12 to +12 mV) to (+1.25 to +2.1V) 250 Vac 1 MHz, 30 kHz, 250 Hz (selectable) 0, 3, 50 ms (selectable) Quartz crystal calibrated to ±2 ppm ±1 ppm/°C (typ) ±5 ppm/year
Serial Data Output (standard)
Signal levels Data Rates Output Isolation Serial Protocols Devices on RS-485 Line Modbus Addresses Modbus Modes Modbus Compliance	RS232 or RS485 (half duplex) 300, 600, 1200, 2400, 4800, 9600, 19200 baud 250V rms working, 2.3 kV rms per 1 min test Modbus RTU, Modbus ASCII, Laurel ASCII (selectable) 32 max without a repeater. 247 max RTU or ASCII, 2-wire. Modbus over Serial Line Specification V1.0 (2002)
Dual Relay Output (standard)
Relay Type Load Rating	Two solid state relays, SPST, normally open, Form A 120 mA at 130 Vac or 170 Vdc, 28 ohms series resistance
Analog Output (standard)
Output Levels Compliance, 4-20 mA Compliance, 0-10V Output Resolution Output Accuracy Output Isolation	4-20 mA, 0-20 mA, 0-10 Vdc (jumper selectable) 10V ( 0-500 ohm load ) 2 mA ( 5 kOhm load or higher) 16 bits (65,536 steps) 0.02% of output span plus conversion accuracy 250V rms working, 2.3 kV rms per 1 minute test
Power Input
Standard Power Low Power Option Power Frequency Power Isolation Power Consumption	85-264 Vac or 90-300 Vdc (DC operation not UL approved) 10-48 Vdc or 12-32 Vac DC or 47-63 Hz 250V rms working, 2.3 kV rms per 1 min test 2W typical, 3W with max excitation output
Mechanical
Dimensions Mounting Electrical Connections	129 x 104 x 22.5 mm case 35 mm rail per DIN EN 50022 Plug-in screw-clamp connectors
Environmental
Operating Temperature Storage Temperature Relative Humidity Cooling Required	0°C to 55°C -40°C to 85°C 95% at 40°C, non-condensing Mount transmitters with ventilation holes at top and bottom. Leave 6 mm (1/4") between transmitters, or force air with a fan.