Subnetwork Installation Guidelines
Network Guide 95
For more information about 2-Wire subnetwork data bus grounding, see:
• ECx-4XX I/O Extension Module Power Supply Requirements on page 47 for ECB-600
controllers.
• ECx-4XX I/O Extension Module Power Supply Requirements on page 66 for ECL-600
controllers.
ECx-4XX I/O Extension Module Addressing
Each ECx-4XX I/O Extension Module on a 2-Wire subnetwork data bus needs to be set to a
unique address. The address is set through the DIP switch located on the ECx-4XX I/O Exten-
sion Module's faceplate. The range of valid addresses is 1 to 7.
An example of how to set an ECx-4XX I/O Extension Module address DIP switch is shown
below.
Table 25: ECx-4XX I/O Extension Module Address DIP Switch Settings
Switch Position
Value
1 2 4
OFFOFFOFFInvalid
ON OFF OFF 1
OFF ON OFF 2
ON ON OFF 3
OFF OFF ON 4
ON OFF ON 5
OFF ON ON 6
ON ON ON 7
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