EVCO EVD120 - Manual (Page 7)

7 EVD120
Introduction
Introduction
EVD120 is a two analog channels and two digital inputs acquisition module.
Each analog channel can work with one of the following kind of probe (universal analog channels):
• PTC/NTC probe
• J/K thermocouple
• 2/3 wires Pt 100 and Pt 1000 probe
• 2/3 wires 4-20 mA passive current transducer
• 0-10/2-10 V and 0-20/4-20 mA active transducer.
The instrument has the following communication ports:
• RS-485 port with MODBUS communication protocol, to allow the connection of the instrument in RS-485 net-
works with MODBUS communication protocol
• serial port for the communication with the programming key EVKEY.
The case of EVD120 is 3 DIN modules.
[ EVD120 ] Introduction