Description

Features

• Data Logger with integral modem for 2G, 3G and 4G mobile networks
• Serial Ports: 1 x RS232/RS485. Protocols, Modbus Master/Slave, NMEA, ITAS Iridium Satellite.
• 4 Analogue Inputs: 0-1vDC (Resolution 0.1mV); 0-10vDC (Resolution 1mV); 4-20mA (Resolution 1uA)
• 6 Digital I/Os: Transistor Type, Input activation +7vDC to 50vDC Max. Output: 50vDC @ 200mA Max.
• 6 Pulse Input: Max 45Hz, 10ms min.
• Can be used anywhere in the world with GSM/GPRS or Iridium Satellite.
• Fully user programmable via windows software with custom scripting programming.
• Configuration for channel labels, scaling, alarm levels etc. via web interface
• 10-30vDC power supply (150mA at 12vDC, 100mA @ 24vDC)
• Unit stores up to 100,000 readings if the network connection be lost and uploads readings when the connection is re-established
• Unit can be configured to send direct SMS messages on alarm conditions

The GRD has 3 LEDs indicators.

PWR: Power applied to the GRD
GPRS: State of registration of the GRD in the GPRS network (GPRS, EDGE, 3G)
LINK: State of the connection between the GRD and the Middleware

Wiring Diagram

Power supply, 10-30vDC.

The RS232 port is a 5-wire DTE type (TX, RX, RTS, CTS, GND).

The RS485 port is a 2-wire type (TR+ and TR-).