You're currently browsing the Ignition 7.9 docs. Click here to view the latest docs.

This function is used in Python Scripting.


Adds a new device connection in Ignition. Accepts a dictionary of parameters to configure the connection. Acceptable parameters differ by device type: i.e., a Modbus/TCP connection requires a hostname and port, but a simulator doesn't require any parameters.

When using this function, the arguments MUST be passed in as keyword arguments.

Client Permission Restrictions

Permission Type: Device Management

Client access to this scripting function is blocked to users that do not meet the role/zone requirements for the above permission type. This function is unaffected when run in the Gateway scope.

Syntax - Using deviceType

system.device. addDevice(deviceType, deviceName, deviceProps )

  • Parameters

String  deviceType  - The device driver type. Possible values are listed in the Device Types table below.

String  deviceName  - The name that will be given to the the new device connection.

PyDictionary deviceProps - A dictionary of device connection properties and values. Each deviceType has different properties, but most require at least a hostname. Keys in the dictionary are case-insensitive, spaces are omitted, and the names of the properties that appear when manually creating a device connection.

  • Returns


  • Scope


Device Types

Note that this function may be called to add devices using 3rd party drivers: you simply need the driver type, which the module developer will be able to provide.

Driver NameDevice Type
Legacy Allen-Bradley CompactLogixCompactLogix
Legacy Allen-Bradley ControlLogixControlLogix
Simulators Dairy Demo SimulatorDairyDemoSimulator
DNP3 DriverDnp3Driver
Allen-Bradley Logix DriverLogixDriver
Allen-Bradley MicroLogixMicroLogix
Modbus RTUModbusRtuOverTcp
Modbus TCPModbusTcp
Omron NJ Drivercom.inductiveautomation.omron.NjDriver
Allen-Bradley PLC5PLC5
Driver NameDevice Type
Siemens S7-300S7300
Siemens S7-400S7400
Siemens S7-1200S71200
Siemens S7-1500S71500
Allen-Bradley SLCSLC
Simulators SLC SimulatorSLCSimulator
Simulators Generic SimulatorSimulator
UDP DriverUDPDriver

Device Properties

The deviceProps parameter is where you supply configuration values to the new connection. Value properties depend on which deviceType was specified. A listing of deviceProps keys can be found on the system.device.addDevice - deviceProps Listing page.

The keys in the deviceProps parameter are case-insensitive. Device properties not specified in the deviceProps parameter will fallback to default values if not specified (where applicable: i.e., "hostname" typically does not have a default value).

Code Examples
Code Snippet
# Below is an example of creating a new Generic Simulator device connection.
# Note that we MUST pass a dictionary as the 3rd parameter, even if it's empty. 

# Call the function
system.device.addDevice(deviceType = "Simulator", deviceName = "New_Generic_Simulator", deviceProps = {} )
Code Snippet
# Add a device using the Allen-Bradley Logix Driver for firmware v21+ devices
deviceProps = {}
deviceProps["Hostname"] = ""
system.device.addDevice(deviceName="Test1", deviceType="LogixDriver", deviceProps=deviceProps)
Code Snippet
# Below is an example of creating a new S7-1500 device connection.

# Build a Dictionary of parameters
newProps = {
			"HostName" : "", 
			"Port" : 102 # <---If adding additional parameters, make sure to add a comma.

# Call the function
system.device.addDevice(deviceType = "S71500", \
						deviceName = "My_S7_1500_Device",\
						deviceProps = newProps )
  • No labels


  1. Anonymous

    Example for Logix Driver:

    deviceProps = {}
    deviceProps["Hostname"] = ""
    system.device.addDevice(deviceName="Test1", deviceType="LogixDriver", deviceProps=deviceProps)

    1. Thanks for the example! I added it to the code examples above. 

  2. Anonymous

    I tried to use driver value "s71500" for Siemens S7-1500. I have an error:

    com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Device driver 'S71500' doesn't exist

     If I manually create an S7-1500 device these are its properties according to system.device.listDevices() function:

    [Siemens, True, Connecting, S71500]




    1. In the interest of posterity, the driver parameter is used with the older implementation of the function (found here). However, that implementation does not work with the s71500 driver, so you'll want to use the implementation on this page with the deviceType parameter.