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How does it work?

The GRD family of products helps control and supervise any kind of equipment from distance, be it a control system or process system facilitating the implementation of the remote telemetry systems.

The GRD family of products helps control and supervise any kind of equipment from distance, be it a control system or process system facilitating the implementation of the remote telemetry systems. Additionally it includes the possibility to load a text script to perform internal logics.

 GENERAL FEATURES

  •  3G + 2G Cellular Communication
  •  American and Europena Bands
  •  Satellite communication (optional)
  •  4-20mA and 0-10V Inputs
  •  Digital Inputs
  •  Pulse Counter Inputs
  •  Digital Outputs
  •  Serial Ports
 

 FUNCTIONALITY

  •  Remote Serial Port (Modbus or wireless)
  •  Modbus Master protocol in port RS232/485 for I/O expansion
  •  Modbus Slave protocol for local access to I/O
  •  Logic programming with Scripts
  •  Alarms and capability to control by SMS text messages
  •  Record Logs
  •  Automatic reconnection by shear link
  •  Display of data through:
       - SCADA Software 
       - Your own software
       - Exemys provided web page
 

 MODELS

MODELS SERIAL PORT ANALOG INPUTS DIGITAL INPUTS DIGITAL OUTPUTS
GRD1620-XF-3G 1 RS232 / 1 RS485 --- --- ---
GRD3621-XF-3G --- 2 0-1V/0-10V/4-20mA
Configurables of Software
(1 PT100 input)
4 (4 for pulses of up to 50Hz)
Configurables of Software
GRD3625-XF-3G 1 RS232 / 1 RS485 4 0-1V/0-10V/4-20mA
Configurables of Software
6 (6 for pulses of up to 50Hz)
Configurables of Software
GRD3534-XF-3G 2 RS232 / RS485 8 Configurables
0-1V/0-10V/4-20mA
16 
(8 for pulses of to 1KHz)
8
 

Internal Logic Programming:

What is a Script? 
A Script is a file with orders that once loaded on to the GRD1300, or GRD3305, is interpreted and executed.
Operations performed by a Script: The Script describes what operations should be executed by the device, for example:

  •  Math Operations
  •  Binary Logic Operations
  •  Date and Time Operations
  •  Working with Timers
  •  Read Analog variables
  •  Records of Variables
  •  Digital I/O Read/Write
  •  Sending and receiving SMS
  •  Interpretation of data from the serial port
 
                               
 
 

 

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