Danfoss ECL Comfort 310 Service Manual - Page 6

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Danfoss ECL Comfort 310 Service Manual
Service guide

7.0 Annexure A: Modbus network wiring guidelines

Typical Modbus network consists of:
• Central heating station
• Surge protector
• RS485 (Modbus) repeater
• Modbus to Ethernet converter
• Repeater stations (individual houses with repeater)
• Surge protector
• RS485 repeater
• Individual houses (without repeater)
•
Surge protector
Each nodes in the Modbus network (central heating station,
repeater station or individual house) can have "surge protector".
Top level logical drawing:
# 1
=
central heating station
# 2
=
individual house W/O repeater
# 3
=
repeater station
6 | © Danfoss| 2017.06
ECL 296 / ECL 310 Modbus
1)
=
surge protector
2)
=
repeater
VI.LV.H1.02