Siemens SIMATIC AFD4 - LED Displays of the Active Field Distributor AFD4; AFD4 (FM); AFD8; Figure 2-13 LED Display AFD4; AFD4 (FM); AFD8

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