Manual – 3000 NRL Family
Unidata Manual - 3000 NRL Family - 17 09 2018.docx
Page 17
Electrical Specifications
External Power:
9 to 30V DC (provision for dual power inputs)
Current Draw:
<800
μ
A Standby, Max 500mA Active
RTC Backup Battery:
3.6V Li Coin Cell (5 year life)
Instrument Power /
Reference Voltage:
12V regulated, 200mA fused, 5V regulated, 100mA fused
Analog Channels:
16 Single ended (max) or 8 Differential (max),
24 bit resolution, 8 user selectable gain ranges, 0 to 5000mV (gain=1) to 0 to 39mV (gain=128)
MODBUS:
2 independent channels, RS485,
RTU or ASCII protocol, 57600 baud (max), Functions 01, 02, 03, 04, 05/15, 06/16
SDI-12:
2 independent channels, SDI V1.3 Compliant, instrument and recorder modes supported
Unidata HSIO:
High speed serial interface, 16 channels, bi-directional
Counters:
4,
1 x 16 bit, DC to 320 Hz potential free contacts or
0 to 5V DC digital input (C0),
3 x 16 bit, DC to 32kHz potential free contacts or 0 to 5V DC digital input (C1, C2, C3)
Digital Inputs:
4, Low<1.1V, High >2.05V, Max = 5V DC
Digital Outputs:
2, Open Drain FET, 30V DC, 250mA max
Relays:
2, Normally Open and Normally Closed Contacts, 1A 30V DC, 0.5A 125V AC
Configuration Port:
RS232 serial port, 230400 maximum baud rate
USB-B port , Optional Bluetooth Low Power Wireless interface
Modem Interface:
Optional internal 3G/4G Modem, Dual SIM card support
RS232 Interface for connection of external Satellite Modem
Serial Instrument
:
RS232 port, full implementation (all 9 signals available), baud rate 230400 max
Wireless Instrument:
Optional LPWAN sensor interface (Q3 2017)
Data Interface:
USB thumb drive port for data download /logger configuration
Ethernet Port:
10/100 Mbit
LCD Display:
320 x 240, Colour, Resistive Touch Panel
Keypad:
5 button membrane keypad
Accelerometer:
Senses changes in logger orientation
Integrated Logger Specifications
Storage memory:
7.5Mbytes Flash (non-volatile), up to 3.75 Million log data points
Memory Expansion:
SD card, micro size, 32Gbyte maximum capacity, up to 16 Billion 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), Ac/- 10 seconds/month (non- Neon version),
locked to server time clock (Neon version)
CPU:
16 Bit, 20MHz, Ultra Low Power