Dataloggers Overview
The 3004N Neon Remote Logger is a data logger/RTU with 4 high-resolution analog channels housed in a 2016 NRT equivalent case which has a smaller form factor than the standard metal enclosure 3004 NRL. 3004N, when used in conjunction with the 3110A Field Termination Strip (FTS), connects to sensors in the field, collects readings from those sensors and either transmits the collected data to a central server via cellular 3G/4G/LTE, NBIoT or Iridium SBD networks, or it can be used as a stand-alone datalogger/RTU.
All NRL/RTU units routinely collect and log sensor data. NRLs then periodically connect to a central Neon comms and web server via an IP network and use a push data model to upload the logged data. The central Neon server can be cloud-hosted, virtual, or physical. The Neon server is offered as a Neon data-hosted service using a Unidata Neon server for a monthly fee. Otherwise, customers can purchase a Neon server license and run the Neon software on their own server. The Neon system receives, processes, displays, stores, and reports collected data in many ways. The Neon system also can issue control commands based on pre-set algorithms and issue alarms/notifications via several mediums. Alarm set-points can be set up on the NRL/RTU unit itself as well as on the Neon central server. The alarm notifications can be sent via several methods, including email and SMS text messages.
Alarm triggers can initiate physical actions in the field, such as turning pumps on and off r activating other control functions based on the internal program within the NRL/RTU. The Neon system has fully bi-directional communications between the NRL/RTU units and the central Neon server. This allows for remote diagnosis, remote programming and remote firmware updating for the operation of the remote equipment, thereby reducing costly site visits. NRL/RTU units can be configured to read sensors, log data internally to local memory and push data to the central Neon server at user-settable intervals such as once a minute, every few minutes, every hour, or once a day. Data is to be viewed on the Neon Web server in near real-time from any browser and can be reported to other systems using email, FTP, and web services.
Storage memory: 7.5Mbytes Flash (non-volatile), 3.75 Million log data points
Scan rate: Programmable from 1 second to 5 minutes
Log rate: Programmable from 1 second to 24 hours
Time clock: Battery Backed Real Time Clock (RTC),
Accuracy +/- 10 seconds/month (non-Neon version),
locked to server time clock (Neon version)
CPU: 16 Bit, 20MHz, Ultra-Low Power
External Power: 9 to 30V DC
Current Draw: 50µA Standby, Max 500mA Active
RTC Backup Battery: 3.6V Li Coin Cell (5-year life)
Internal Power: 3.6 Volt Lithium D Cell
Instrument Power: 5.5V (100mA) to 18V (60mA) regulated, 80mA user programmable
Instrument Reference Voltage: 2.5V 10mA Max
Analog channels: 4, Single-ended (max) or 2 Differential (max),
24-bit resolution, 4 user-selectable gain ranges:
0 to 5V (gain = 1)
0 to 1.25V (gain = 4)
0 to 312.5mV (gain = 16)
to 0 to 39.0625mV (gain = 128)
Material: Powder Coated Aluminium Enclosure
Size: 108mm x 97mm x 81mm (LxWxH), 330g
Operating Temperature: -20° to +60°C. Not affected by humidity
Antennae: Model dependant, external stub/whip/satellite antenna
Modbus: 1 independent channel, RS485,
RTU or ASCII protocol, 57600 baud (max),
functions 01, 02, 03, 04, 05/15, 06/16
SDI-12: 1 independent channel, SDI interface, 16 channels, bi-directional
Counters: 4,
2 x 16 bit, DC to 20kHz potential free contacts or 0 to 5V DC digital input (C0,C2);
2 x 16 bit, dc to 300Hz potential free contacts or 0 to 5V DC digital input (C1,C3)
Unidata HSIO: High-speed serial interface, 16 channels, bi-directional
Digital Outputs: 1 Open Drain FET, 30V DC, 250mA max
Configuration Port: USB B Micro Port and SD Micro Card
Modem Options:
– Cellular 3G/4G/LTE Dual SIM support
– NBIoT
– Satellite Iridium SBD
Accelerometer: Senses changes in logger orientation
Barometer: 260-1260hPa Absolute Digital Output – Optional
Bluetooth: Optional
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Brochures
Neon Remote Logger – 3004N Series
2302A Neon Server Application Software
Manuals
Unidata Manual – 3000 NRL Family
Application Notes