4-20 mA Current Output Transmitter for Position or Rate from Quadrature Encoders

Transmits accurate position or rate from shaft encoders & linear encoders.
DIN Rail mounted, digitally programmable.
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4-20 mA Current Transmitter, Quadrature or Shaft Encoder Input
Key Features
  • Accepts low-level differential or single-ended 5V logic level signals from a shaft encoder, linear encoder, incremental encoder or optical encoder.
  • Programmable for position, angle or rate
  • Quadrature count x1, x2 or x4, combined pulse rate to 250 kHz
  • Zero channel input
  • Isolated 4-20 mA, 0-20 mA or 0-10V transmitter outputs, selectable
  • 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
  • RS232 or RS485 serial communications, isolated
  • Universal AC power, 85-264 Vac
  • Optional low voltage power, 10-48 Vdc or 12-32 Vac
  • Easy setup with PC-based Instrument Setup Software
Specifications
Laureate 4-20 mA Transmitter & Totalizer for 0-1 mA, 4-20 mA or 0-10V Signals

Quadrature Inputs
Type
Transitions Monitored
Max Pulse Rate
Internal Counts
Position Error
Differential or single-ended quadrature
x1, x2 or x4
250 kHz at x1, 125 kHz at x2, 62.5 kHz at x4
-999999 to +999999
No error contributed by transmitter
Quadrature Position Mode
Zero Adjust
Span Adjust
-999999 to +999999
0 to ±999999
Quadrature Rate Mode
Conversion Technique
Output Update Rate
Gate time
Time Before Zero Output
Time Base Accuracy
Zero Adjust
Span Adjust
Inverse period
30 ms + 0-2 signal periods
Selectable 10 ms to 199.99 s
Selectable 10 ms to 199.99 s
Calibrated to ±2 ppm
-999999 to +999999
0 to ±999999
Analog Output
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Update Rate
Output Isolation
4-20 mA and 0-10 Vdc (selectable)
10V ( 0-500 ohm load )
2 mA ( 5 kOhm load )
16 bits (65,536 steps)
±0.05% of output span
25/sec max
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.
Pinout

Laureate Modbus & Serial Output Transmitter & Totalizer for 0-1 mA, 4-20 mA or 0-10V Inputs

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