Siemens SIMATIC AFD4 - LED Displays of the Active Field Splitter (AFS); Figure 2-14 LED Display AFS

Installing and connecting
2.9 LED displays of the active field splitter (AFS)
Active field distributors AFD4, AFD4 (FM), AFD8 and AFS
30 Product Information, 02/2015, A5E03775304-AC
LED
T1, T2
LED
S1 to S8
Meaning
Remedy
Flashes rapid-
ly
Debounce function is active (5 s after changes to the spur
lines, for example, before or after a short-circuit)
Wait for 5 s. One of the
states "off", "blue" or "slow
flashing" occurs.
2.9
LED displays of the active field splitter (AFS)
Status and error messages from the active field splitter (AFS)
Figure 2-14 LED display AFS
Table 2- 5 Status and error messages
LED
T1, T2
LED
Y
Meaning
Remedy
green
• Main line is connected.
• Bus termination is inactive.
–
Red Short-circuit or no-load operation on the main line to a cou-
pler
Eliminate the cause of the
error.
Flashes red
Cover of the main line terminal is open.
Close the cover.
Off
Wires of a main line are reversed.
Correct the wiring.
green
LED lights up when the current of the Y line is > 10 mA.
–