Operating Instructions
Siemens Smart Infrastructure A6V12318605_----_a 2021-01-28 3
8. Supported BACnet objects
ID
Name
Note
Units
Discription
6 digits
UH50-RS485
dimensionless
Device Instance
Number (see chap-
ter 6.2)
AI-0
Serial number
dimensionless
Analog Input
AI-1
Energy
Energy (Standard register)
- Heat energy if heat or combined meter
- Cooling energy if cooling meter
kWh / MWh; MJ /
GJ
corresponding to
meter LCD
Analog Input
AI-2
Tariff 1 cooling if
comb. meter
Tariff register 1
- Cooling energy if combined meter
kWh / MWh
corresponding to
meter LCD
Analog Input
AI-3
Volume
Volume
m³
Analog Input
AI-4
Current flow rate
Current flow rate
m³/h
Analog Input
AI-5
Current power
Current power
kW
Analog Input
AI-6
Tariff 2
OR:
Pulse input 1
accumulated
Tariff register 2
If pulse input 1 is enabled*, Al-6 switches to
volume pulse input 1.
corresponding to
meter LCD
OR:
m³
Analog Input
AI-7
Tariff 3
OR:
Pulse input 2
accumulated
Tariff register 3
If pulse input 2 is enabled*, Al-7 switches to
volume pulse input 2.
corresponding to
meter LCD
OR:
m³
Analog Input
AI-8
Info code
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)
dimensionless
Analog Input
AI-9
Temperature hot
side
Temperature hot side
(Combined meter in heat mode)
°C
Analog Input
AI-10
Temperature
cold side
Temperature cold side
(Combined meter in heat mode)
°C
Analog Input
AI-11
Differential
temperature
K
Analog Input
* 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
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
CH-6300 Zug
Tel. +41 58 724 2424
www.siemens.com/buildingtechnologies
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.