Data telegram
Wired M-bus
Standard telegram:
• Accumulated energy
• Accumulated volume
• Current flow
• Current power
• Supply temperature
• Return temperature
• Difference temperature
• Enclosure temperature
• Current time
• Hour counter factory
• Hour counter OK
Wireless M-bus (OMS)
Standard telegram fixed network
(15 minutes sending interval):
• Accumulated energy
• Accumulated volume
• Current flow
• Current power
• SupplyTemperature
• ReturnTemperature
• CurrentTime
Wireless M-Bus (Walk -by)
Standard telegram Walk by
(2 minutes sending interval):
• Accumulated energy
• Accumulated volume
• CurrentTime
• Hour counter factory
• Month log 1 (last month log)
*Can be changed via SonoApp
Terminals and cables
Communication Name Terminal No.
M-Bus
Meter bus (blue or orange) 24
Meter bus (blue or orange) 25
Pulse input
Pulse input 1 + (brown) 50
Pulse input 1 - (white) 51
Pulse input 2 + (brown) 52
Pulse input 2 - (white) 53
Pulse output
Pulse output 1+ (brown) 16
Pulse output 1- (white) 17
Pulse output 2+ (brown) 18
Pulse output 2 – (white) 19
Name Lenght
Cable specification
Pulse input cables 22AWG <10m
Pulse output cables 22AWG <25m
To ensure IP protection class connecting cable
outerjackets must be
Ø4.2 ± 0.1 mm
Communication cables delivered with heat meter.
Cable ends are stripped with crimped ferule.
1.0m
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