Options; Expansion Module Ahu With 14 I/O - Siemens IQHeat User Manual

IQHeat
User manual

14 Options

Further communication options with the integrated WEB Server, BacNet, M-Bus or LON requires one or more
of the following communication modules:
•
Advanced WEB: Allows the option of Internet-based interface (WEB), Ethernet (IEEE802.3) TCP/IP.
Web Server integrated in the module.
•
BacNet/IP Allows you to connect to a BacNet network.
•
ModBus: Allows you to connect to a ModBus RTU network.
•
MBus: For connection of thermal flow meter with M-Bus communications.
•
LON: Allows you to connect IQHeat to a LON network.
How many and which of these optional modules that can be connected simultaneously or totally depends on
the type of district heating and cooling substations.
All the options are connected to the processing unit with a module-to-module connector.
The processing unit and the communication modules' programs and data lists can be updated by an SD card.
There is an SD reader in the processing unit and in the advanced WEB module.
Even the processing unit's operating systems can be updated in this way whenever necessary. See
Upgrade with SD card.

14.1 Expansion module AHU with 14 I/O

The module's universal inputs and outputs provide high flexibility.
Three expansion modules can be connected to the processing unit.
The expansion module is not included in IQHeat50 and IQHeat50 Cooling.
The expansion module has the following characteristics:
•
eight universal inputs/outputs (configurable inputs/outputs for
analog or digital signals)
•
four relay outputs (NO contacts)
•
two analog outputs (DC 0 ... 10 V)
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2.1.2