Laurel Electronics Laureate 6-Digit Process Meter & Analog Signal Totalizer 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
Display
Readout
Color
Range
Indicators
6 digits, 7-segment, 14.2 mm (.56")
Red or green LED
-999999 to +999999
Four LED lamps
Inputs
Standard signal levels
Other signal levels
0-1 mA, 4-20 mA, 0-10V
Consult factory
Conversion
Frequency Technique
Update Rate
Gate Time
Inverse period
Gate time + 30 ms (max)
Selectable 10 ms to 199.99 s
Accuracy
Span Tempco
Zero Tempco
Accuracy at 25°C
±0.0025% FS/°C
±0.0005% FS/°C
±0.005% FS ± 1 count
Power
Voltage, standard
Voltage, optional
Frequency
Power Isolation
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
12-32 Vac or 10-48 Vdc
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test
Excitation Output (standard)
5 Vdc
10 Vdc
24 Vdc
Output Isolation
5 Vdc ± 5%, 100 mA
10 Vdc ± 5%, 120 mA
24 Vdc ± 5%, 50 mA
50 Vdc to meter ground
Analog Output (optional)
Output Levels
Current compliance
Voltage compliance
Scaling
Resolution
Isolation
4-20 mA, 0-20 mA, 0-10V, -10 to +10V (single-output option)
4-20 mA, 0-20 mA, 0-10V (dual-output option)
2 mA at 10V ( > 5 kΩ load)
12V at 20 mA ( < 600 Ω load)
Zero and full scale adjustable from -99999 to +99999
16 bits (0.0015% of full scale)
250V rms working, 2.3 kV rms per 1 min test
(dual analog outputs share the same ground)
Relay Outputs (optional)
Relay Types
Current Ratings
Output common
Isolation
2 Form C contact relays or 4 Form A contact relays (NO) 2 or 4 Form A, AC/DC
solid state relays (NO)
8A at 250 Vac or 24 Vdc for contact relays
120 mA at 140 Vac or 180 Vdc for solid state relays
Isolated commons for dual relays or each pair of quad relays
250V rms working, 2.3 kV rms per 1 min test
Serial Data I/O (optional)
Board Selections
Protocols
Data Rates
Digital Addresses
Isolation
Ethernet, Ethernet-to-RS485 server, USB, USB-to-RS485 server, RS485 (dual
RJ11), RS485 Modbus (dual RJ45), RS232.
Modbus RTU, Modbus ASCII, Laurel ASCII protocol
300 to 19200 baud
247 (Modbus), 31 (Laurel ASCII),
250V rms working, 2.3 kV rms per 1 min test