Phoenix Contact UM EN TP 3 Series, User Manual

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Interfaces of the Device
8095_en_00 PHOENIX CONTACT
4-17
The maximum cable length depends on the baud rate (DIN EN 19245 Part 3).
4.3.3.3 Termination
Terminate the PROFIBUS at both ends by terminating resistors. If you are using special
PROFIBUS connectors, these resistors are usually integrated into the connector and can be
connected.
4.3.3.4 Diagnostics
A diagnostics LED is located on the rear of the operating device. The LED shows the states
of the bus system.
The diagnostics LED on the operating device has the following functions:
Table 4-17 Baud rate PROFIBUS-DP
Baud Rate Cable Length
187.5 kBit/s 1000 m
500 kBit/s 400 m
1500 kBit/s 200 m
3000 to 12000 kBit/s 100 m
Table 4-18 Function of the PROFIBUS-DP diagnostics LED
Color State Function
Green On Communication Active