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- Model NV-8812000000 - Novus FieldLogger
Model NV-8812000000 -Novus FieldLogger
FieldLogger is a versatile data acquisition device dedicated to analog variables. It operates as an electronic data recorder by storing measured data into its internal memory for later retrieval and analysis. This device can also operate as a real time remote terminal unit (when supplied without internal memory) by measuring and transmitting measured data to supervisory systems. FieldLogger features eight configurable universal analog inputs, one digital input, alarm outputs and emergency power input which make this a highly versatile device in several data acquisition applications. Configuration can be easily achieved by using the Windows based configuration software package which is supplied with the device. The RS485 communication interface works under MODBUS RTU protocol and provides means for implementing networks with several other devices.
- Auto zero and auto span.
- Isolated RS485 interface with MODBUS RTU protocol.
- Baud rate: selectable up to 19,200 bps.
- External battery input for operation during mains power outage.
- 3 LEDs in the front panel: 1 indicates recorder operation and the other 2 indicate active digital communication.
- Watchdog timer and reset for mains power outage.
- External trigger via dry contact for remote Start/Stop.
- Interval between loggings: programmable from 0.2 s (for 1 channel) to up to one month.
- HI and LO alarms can be individually programmed for each channel.
- Features 8 universal analog channels per module.
- Accepts t/c J, K, T, E, N, R, S, B; 4-20 mA, Pt100, 0-50 mV without hardware change (refer to table 1).
- Note: all thermocouple inputs are cold junction compensated and software linearized. Thermocouples are linearized according to NBR 12771/99 standards and , Pt100 according to NBR 13773/97.
- Accuracy: Thermocouples J, K, T, E, N: 0.2% of full scale, +/- 1°C, Thermocouples R, S and B: 0.25% of full scale, +/- 3°C, Pt100: 0.2% of full scale, 4-20 mA current and 0-50 mV voltage: 0.2% of FS
- Input impedance: 0 to 50 mV / Thermocouples / Pt100:>1M, - 4 to 20 mA: 100 W
- Pt100 measurements: 3-wire circuit with 170 mA current excitation and full cable resistance compensation. Note: when using Pt100 calibrators for checking the instrument please make sure that the calibrator excitation current is compatible with the FieldLogger requirements.
- Internal resolution: 20,000 levels(>14 bits).
- Recording capacity: 128,000 recordings (Virtual Recorder version).
- Sampling time: from 550 ms to 950 ms for eight channels.
- Alarm outputs: 2 SPST relays, 3 A / 250 Vac.
- Power: 85 to 264 VAC (50/60 Hz), 100 to250 VDC or 24 VAC or VDC (optional).
- Maximum consumption: 2 VA.
- Secondary power: Voltage: from +6 to 24 VCC, Consumption: < 50 mA.
- Working temperature: 0 to 55 C (32 to 131 F)
- ABS enclosure for 35 mm DIN rain mounting.
- Protection: IP30.
- Serial communication: Rs485, MODBUS RTU.
- FieldChart is a Windows® compatible software which performs the communication and data treatment for the FieldLogger recorder and NOVUS controllers with RS485.