Device Net Flashcards
What topology is used on a DeviceNet segment
Multidrop bus
What data speed(s) are used on DeviceNet
125 kBps, 250 kBps, 500 kBps
How many wires are in a typical DeviceNet cable?
4 wires, 2 for power and 2 for data (CAN-L and CAN-H)
What is the characteristic impedance DeviceNet cable?
120 Ohms
What power supply voltage do all DeviceNet field devices operate on
24 VDC
What is the purpose of the terminators in a DeviceNet segment?
To prevent signal reflections
What is the maximum current allowed in North America on DeviceNet ‘thick’ wiring of less
than 70 m?
4 Amps
What is the maximum current on a DeviceNet spur line?
3 Amps
What is the maximum DeviceNet spur line length?
6 meters
What is a DeviceNet Scanner?
An interface that allows the Device Net segment connect to a controller
What is the node address range for devices on a DeviceNet Segment?
0 to 63
