Laurel Electronics LT: 4-20 mA & Serial Data Output Transmitter for AC Phase Angle & Power Factor - Manual (Page 2)

LAUREL ELECTRONICS INC. , 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Specifications
Phase Angle Mode
Item Transmitted
Transmitted Units
Frequency Range
Accuracy
Maximum Timing Interval Phase angle difference between two waves of same period
1°, 0.1°, 0.01°
.005 Hz to 10 kHz
.01°, .005 Hz to 100 Hz, 0.1° at 1 kHz, 1° at 10 kHz
200 s
Power Factor Mode
Item Transmitted
Transmitted Units
Polarity
Frequency Range
Accuracy Power factor between two sine waves of same period
1.000 to 0.000, 1.00 to 0.00, or 1.0 to 1.0
Negative sign indicates negative phase angle
0.005 Hz to 10 kHz
0.1% at power line frequencies
Inputs
Signal Types
Signal Ranges
Signal Ground
Noise Filter Sinusoidal AC and square waves
10 mV to 250 Vac
Common ground for channels A & B
1 MHz, 30 kHz, 250 Hz (selectable)
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
Analog Output (standard)
Output Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation 0-20 mA or 0-10 Vdc (selectable)
10V (0-500Ω load)
2 mA (5 kΩ 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
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 with no repeater
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
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