Danfoss ECL Comfort 310 Operating Manual page 26

Operating Guide
Connection of a pressure switch
Connection of pressure transmitter with 0-10 V output
V d.c.: The pressure transmitter is powered with 12 - 24 V d.c.
Connection of pressure transmitter with 4-20 mA output
V d.c.: The pressure transmitter is powered with 12 - 24 V d.c.
The 4-20 mA signal is converted to a 2-10 V signal by means of the
500 ohm (0,5 W) resistor.
26 DEN-SMT/DK
ECL Comfort 310, application A368
Wire cross section for sensor connections: Min. 0.4 mm².
Total cable length: Max. 200 m (all sensors incl. internal ECL 485
communication bus)
Cable lengths of more than 200 m may cause noise sensibility (EMC).
VI.LG.J3.02
Danfoss District Energy