====Modbus TCP Driver====

===Information===

Loads information directly from field devices or gateways using the Modbus TCP protocol

^Driver Info^Detail^
|Driver Type:|**Live**|
|Platforms:|**All**|

===Driver Settings===

^Option^Description^
|IP Address|The IP address or host-name of the Modbus TCP device|
|Port|The port to connect to (the default is 502)|

===Point Settings===

^Option^Description^
|Type|The type of IO/memory region to query|
|Address|The address to query|
|Unit|The Modbus TCP unit number to query|

Note that the //address// option above is the address **without the register offset**. So for example, an address of 4000 (or 40001, depending on the format) would have a Type of **Holding Register** and an Address of **0**.

Likewise, digital input 42 would have a type of **Digital Input** and an address of 42.

Addresses are zero-based. Note that some address documentation starts at //one// rather than zero. 

===Installation===

**Windows:** \\ Available on the [[http://www.optrix.com.au/library|ARDI Downloads]] site for Windows servers.

**Linux:** 
<code>
sudo apt-get install ardi-modbustcp
</code>