Led Displays Of The Active Field Distributor Afd4 / Afd4 (Fm) / Afd8; Figure 2-13 Led Display Afd4 / Afd4 (Fm) / Afd8 - Siemens SIMATIC AFD4 Product Information

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2.8

LED displays of the active field distributor AFD4 / AFD4 (FM) / AFD8

Status and error messages of the active field distributor AFD4 / AFD4 (FM) / AFD8
Figure 2-13
Table 2- 4
Status and error messages
LED
LED
T1, T2
S1 to S8
green
orange
Flashes or-
ange
Off
Off
green
Flashes slow-
ly
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
Product Information, 02/2015, A5E03775304-AC
2.8 LED displays of the active field distributor AFD4 / AFD4 (FM) / AFD8
LED display AFD4 / AFD4 (FM) / AFD8
Meaning
Main line is connected.
Bus termination is inactive.
Automatic bus termination is active. Cause:
For example, last AFD in the line
Short-circuit or no-load operation on the respective seg-
ment of the main line (T1 or T2)
Cover of the main line terminal is open.
Wires of a main line are reversed.
No field device is connected to the respective spur line.
A field device is connected to the respective spur line.
Short-circuit on the spur line
Installing and connecting
Remedy
Close the cover.
Correct the wiring.
Eliminate the cause of the
error.
29

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Simatic afd4 (fm)Simatic afsSimatic afd8

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