4-20 mA Current Output Transmitter for Duty Cycle Input

Transmits ON or OFF period in percent of total period. DIN Rail mounted, digitally programmable.

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4-20 mA current transmitter, duty cycle input

Key Features

Transmits On or Off period as a percentage of total period
Frequencies from 0.005 Hz to 10 kHz
Inputs from NPN or PNP proximity switches, contact closures, digital logic, magnetic pickups down to 12 mV, or AC inputs up to 250 Vac.
Triggers on positive or negative pulse edges
DIN rail mount housing only 22.5 mm wide
Plug-in screw-clamp connectors
5V, 10V or 24V dc sensor excitation output, isolated
Dual solid state relays for alarm or control, isolated
Isolated 4-20 mA or 0-10V transmitter output, selectable
RS232 or RS485 serial communications, isolated
Universal AC power, 85-264 Vac
Optional ow voltage power, 10-48 Vdc or 12-32 Vac
Easy setup with PC-based Instrument Setup Software

Duty Cycle Mode
Item Transmitted Transmitted Percentage Frequency Range Input Accuracy	ON or OFF duty cycle of periodic pulse waveshapes 0% to 100% 0.005 Hz to 50 kHz 0.01%, 0.005 Hz to 500 Hz; 0.1% at 5 kHz; 1% at 50 kHz
Update Rate
Conversion Interval Gate Time Time Before Zero Output	Gate time + 30 ms + 0-2 signal periods Selectable 10 ms to 199.99 s Selectable 10 ms to 199.99 s
Pulse Input
Types Grounding Minimum Signal Maximum Signal Noise Filter Contact Debounce	AC, pulses from NPN, PNP transistors, contact closures, magnetic pickups 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)
Analog Output
Output Levels Compliance, 4-20 mA Compliance, 0-10V Output Resolution Output Accuracy Output Isolation	0-20 mA or 0-10 Vdc (selectable) 10V ( 0-500 ohm load ) 2 mA ( 5 kOhm load ) 16 bits (65,536 steps) 0.02% of output span plus conversion accuracy 250V rms working, 2.3 kV rms per 1 minute test
Sensor Excitation Output (standard)
Output Levels Output Isolation	5V@100 mA, 10V@120 mA, 24V@50 mA (jumper selectable) 50V from signal ground
Dual Relay Output (standard)
Relay Type Load Rating	Two solid state relays, SPST, normally open, Form A 130 mA at 140 Vac or 180 Vdc
Serial Communications (standard)
Signal Types Data Rates Output Isolation Serial Protocols Modbus Modes Modbus Compliance Digital Addressing	RS232 or RS485 (half or full 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 RTU or ASCII Modbus over Serial Line Specification V1.0 (2002) 247 Modbus addresses. Up to 32 devices on an RS485 line w/o a repeater.
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.