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8.
Supported BACnet objects
ID
Name
6 digits
UH50-RS485
AI-0
Serial number
AI-1
Energy
Tariff 1 cooling if
AI-2
comb. meter
AI-3
Volume
AI-4
Current flow rate
AI-5
Current power
Tariff 2
OR:
AI-6
Pulse
accumulated
Tariff 3
OR:
AI-7
Pulse
accumulated
Info code
AI-8
Temperature hot
AI-9
side
Temperature
AI-10
cold side
Differential
AI-11
temperature
* The pulse inputs can only be enabled with the Service Software UltraAssist.
9.
Supported BACnet Interoperability Building Blocks (BIBBs)
9.1
Data Sharing
BIBB
BACnet service
DS-RP-B
Read Property-B
DS-RPM-B
Read Property Multiple-B
DS-WP-B
Write Property-B
9.2
Device Management
BIBB
BACnet service
DM-DDB-B
Dynamic Device Binding-B
DM-DOB-B
Dynamic Object Binding-B
DM-DCC-B
Device Communication Control-B
DS-RPM-B
Reinitialize Device-B
© 2021 Siemens Switzerland Ltd.
Siemens Smart Infrastructure
Note
Energy (Standard register)
- Heat energy if heat or combined meter
- Cooling energy if cooling meter
Tariff register 1
- Cooling energy if combined meter
Volume
Current flow rate
Current power
Tariff register 2
If pulse input 1 is enabled*, Al-6 switches to
input
1
volume pulse input 1.
Tariff register 3
If pulse input 2 is enabled*, Al-7 switches to
input
2
volume pulse input 2.
0=No error
3=Internal errors (F3, F4, F7, F8, F9)
5=Flow rate error (F0, F9, F4)
6=Interruption temperature sensor hot side (F1)
7=Short Circuit temperature sensor hot side (F5)
8=Interruption temperature sensor cold side (F2)
9=Short Circuit temperature sensor cold side
(F6)
Temperature hot side
(Combined meter in heat mode)
Temperature cold side
(Combined meter in heat mode)
A6V12318605
----_a
_
Units
Discription
Device Instance
dimensionless
Number (see chap-
ter 6.2)
dimensionless
Analog Input
kWh / MWh; MJ /
GJ
Analog Input
corresponding to
meter LCD
kWh / MWh
corresponding to
Analog Input
meter LCD
m³
Analog Input
m³/h
Analog Input
kW
Analog Input
corresponding to
meter LCD
Analog Input
OR:
m³
corresponding to
meter LCD
Analog Input
OR:
m³
dimensionless
Analog Input
°C
Analog Input
°C
Analog Input
K
Analog Input
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
Tel. +41 58 724 2424
www.siemens.com/buildingtechnologies
2021-01-28
CH-6300 Zug
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