Modbus & Serial 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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Serial ASCII or Modbus Transmitter, Duty Cycle Input
Key Features
  • Selectable Modbus or Laurel ASCII protocol
  • Modbus RTU or ASCII modes, 2-wire connection, up to 247 digital addresses
  • Transmits ON or OFF period as a percentage of total period
  • Resolution of 1%, 0.1% or 0.01%
  • Frequencies from .005 Hz to 10 kHz
  • Triggers on positive or negative pulse edges
  • Optional dual solid state relays for alarm or control
  • 5V, 10V or 24V dc sensor excitation output, isolated
  • Dual solid state relays for alarm or control, 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
Laureate Modbus & Serial Output Transmitter for Duty Cycle Input

Pulse Input
Types

Signal Ground
Minimum Signal
Maximum Signal
Maximum Frequency
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)
Duty Cycle Mode
Item Displayed
Display Units
Frequency Range
Input Accuracy
Maximum Timing Interval
ON or OFF duty cycle of periodic pulse waveshape
1%, 0.1%, 0.01%
0.005 Hz to 50 kHz
0.01%, 0.005 Hz to 500 Hz, 0.1% at 5 kHz, 1% at 50 kHz
199.99 s
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
Serial Data I/O (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).
Transducer Excitation Output (standard)
Output Levels
Output Isolation
5V@100 mA, 10 @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
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.
Pinout

Laureate Modbus & Serial Output Transmitter for Duty Cycle Input


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