Variomat 1 — 06.07.2016 – Rev. B English —
Use the S1 and S2 RS-485 interface to retrieve all controller data and to enable the communication with control centres or other devices.
• S1 interface
– A maximum 10 devices can be used in a master-slave linked circuit via the this interface.
• S2 interface
– "PIS" pressure and "LIS" level.
– Operating modes of the "PU" pumps.
– Operating states of the motorised ball valve/solenoid valve.
– Values of the "FQIRA +" contact water meter.
– All messages, see chapter 9.3 "Messages" on page 52 .
– All entries in the fault memory.
The following bus modules are optionally available for interface communication:
• Lonworks Digital
• Lonworks
• Profibus-DP
• Ethernet
• Optional I/O module.
please contact the Reflex Customer Service for the protocol of the RS-485 interface, details of the connections
and information about the accessories offered.