Allen-Bradley 1770-KFDG Installation Instructions Manual page 13

DeviceNet RS-232 Interface Module 13
Important: You must supply the cable between the adapter and the outlet.
Supplying Power via Network
The DeviceNet network can power the 1770-KFD module.
Important: When the module is connected to a powered DeviceNet network,
the network connection overrides the external power supply.
Supplying Power to a Device
The module can supply power to a device in a point-to-point connection.
The device being powered in a point-to-point connection can draw a maximum
of 100 mA at 12V dc 5%.
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