Laurel Electronics LTE: Ethernet & 4-20 mA Output Transmitter for Position or Rate from Quadrature Encoders User Manual
Page 2
LAUREL
ELECTRONICS INC.
, 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
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 (standard)
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 ( 0-500Ω m load )
2 mA ( 5 kΩ 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
Serial Communications (standard)
Type
Data Rates
Output Isolation
Serial Protocols
Modbus Compliance
Digital Addresses
10/100Base-T Ethernet per IEEE 802.3
300, 600, 1200, 2400, 4800, 9600, 19200 baud
250V rms working, 2.3 kV rms per 1 min test
Modbus TCP, Modbus RTU, Modbus ASCII, Laurel ASCII
Modbus over Serial Line Specification V1.0 (2002)
247 for Modbus, 31 for Laurel ASCII
Dual Relay Output (standard)
Relay Type
Load Rating
Two solid state relays, SPST, normally open, Form A
120 mA at 140 Vac or 180 Vdc
Sensor Excitation Output (standard)
Output Levels
Output Isolation
5V@100 mA, 10V@120 mA, 24V@50 mA (jumper selectable)
50V from signal ground
Power Input
Standard Power
Low Power Option
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
10-48 Vdc or 12-32 Vac