Transceiver Status Displays - Siemens SIMATIC FS400 Anleitung

5.3

Transceiver status displays

Four LEDs and one 7-segment display signal the transceiver's operating statuses
d
e
f
g
a = 7-segment display
c = DoubleScan mode display
d = LED1, red
Fig. 5.3-1: Transceiver status displays
After the electrical supply voltage is turned on, the following data appear on the
transceiver's 7- segment display:
7-segment
display
8.
S
1
2
.
F
x
Table 5.3-1:
channel 1
channel 2
d - scan
selftest
a
failure
c
receiver
Meaning
Hardware reset when turned on
Self test running (for approx. 1 s)
Normal operation, set to channel 1
Normal operation, set to channel 2
Double Scan
F = Device fault
x = Fault number, alternating with "F"
Transceiver 7-segment display
e = LED2, green
f = LED3, orange
g = LED4, yellow
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