Laurel-electronics LAUREATE SERIES 2 DIGITAL PANEL METER Manual de usuario Pagina 57
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57
Load Cell Input
Range Resolution Resistance Zero Range Span Range Error
20.000 mV
50.000 mV
100.00 mV
250.00 mV
500.00 mV
1 µV
2.5 µV
5 µV
12.5 µV
25 µV
1 GΩ
-99999 to
99999
0 to ±99,999
0.01% of FS
±2 cts
Thermocouple Accuracy
Span Tempco.........................................................................................0.003% of reading/°C
............................................................................... 0.0015% of reading/°C for load cell meter
Zero Tempco ............................................................................................................ 0.2 µV/°C
Reference Junction Accuracy .....................................................................1°C, 10°C to 40°C
Dual & Quad Relay Options
Power to Relay Option ................................................................................Powered by meter
Setpoint Setup....................................................... Via front panel pushbuttons or RS232/485
Update Rate .................................................................................56/s at 60 Hz, 47/s at 50 Hz
Response to input signal (min)..................................................................Display update rate
Input Signal (selectable)........................................................Filtered or unfiltered input signal
Actuation Modes (selectable) ...... Above or below setpoint, latching or non-latching, disabled
Output Time Delay (selectable) .................................................................... 1 to 128 readings
Front Panel Enable / Lockout Modes (selectable)................1) Display and change setpoints
...................................................................................2) Display but do not change setpoints
..................................................................................3) Neither display nor change setpoints
Alarm Status Indication ..........................................................................2 or 4 red LED lamps
Status Indication Setup (selectable) .......................Lit when output is ON or OFF, or disabled
Form C, SPDT Relay Output:
AC Rating......................................................................................................... 8A @ 240 Vac
DC Rating........................................................................................................... 8A @ 24 Vdc
Isolation rating between signal common and contacts ............................................... 250 Vac
Insulation dielectric strength between signal common and contacts ........................................
................................................................................... 3.5 kV ac for 5 sec, 2.3 kV ac for 1 min
Form A, SPST Solid State Relay Output:
AC Rating..................................................................................................120 mA @ 140 Vac
DC Rating..................................................................................................120 mA @ 180 Vdc
Isolation rating between signal common and contacts ............................................... 250V ac
Insulation dielectric strength between signal common and contacts ........................................
................................................................................... 3.5 kV ac for 5 sec, 2.3 kV ac for 1 min
Analog Output Option
Power to Analog Output Option...................................................................Powered by meter
Output Levels ............................................................. 0-20 mA, 4-20 mA, 0-10V, -10 to +10V
Voltage Compliance, 0-20 mA Output .................................................. 12V (0-600 Ohm load)
Current Compliance, 0-10V, -10 to +10V Output.......................2 mA (5 kOhm or higher load)
- LAUREATE SERIES 2 1
- 1. ORDERING GUIDE 2
- 2. TABLE OF CONTENTS 3
- 3. PRODUCT INTRODUCTION 4
- 4. RECEIVING & UNPACKING 5
- 5. SAFETY CONSIDERATIONS 5
- RS485 INTERFACE - FULL DUPLEX 7
- RS485 INTERFACE - HALF DUPLEX 7
- 7. MECHANICAL ASSEMBLY 8
- 8. FRONT PANEL SETUP KEYS 10
- Enabled or Disabled 12
- Menu Items 12
- of 0. The decimal point 25
- 14. THERMOCOUPLE INPUT 31
- False = logic 0 (5V or 32
- True = logic 1 (0V or 32
- (continued) 37
- 17. ANALOG OUTPUT OPTION 42
- SERIAL CONNECTION EXAMPLES 45
- SETUP OF CONNECTED METER 50
- ADDITIONAL FEATURES 50
- The Commands pull-down menu 50
- 22. METER CALIBRATION 54
- 23. SPECIFICATIONS 55
- Serial Interface Option 58
- Environmental 58
- 24. GLOSSARY OF TERMS 59
- Peak Display 61
- LIMITATION OF WARRANTY 64
- EXCLUSIVE REMEDIES 64
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