SMC Networks EX245-FPS1 Operation Manual page 64

10.9.1.4. L/A indicator
L/A 1/2
Green ON Connection via Ethernet to the SI Unit via Port 1/2 (XF1/2)
Green OFF No connection established via Port 1/2 (XF1/2)
Yellow ON Transmission or reception of Ethernet telegrams on Port 1/2 (XF1/2)
Yellow OFF No transmission or reception of Ethernet telegrams on Port 1/2 (XF1/2)

Orange Flash Received Node flash request
: When Link LED and Act LED are both on the combined colour may appear to be orange
10.9.1.5. FO 1/2 Indicator
FO 1/2
OFF The strength of the Fibre-Optic communication is more than 2 dB.
Flashing The strength of the Fibre-Optic communication is more than 0 dB but less than 2 dB.
ON The strength of the Fibre-Optic communication is less than 0 dB.
LED Indicators 2
10.9.2.
Designation
UT1, UT2 Status for the clock power supply UT1 and UT2
IN0, IN1, ..., IN7 Status for safe inputs
M Status for safe US2 power supply for IO modules
Z1, Z2, Z3 Status for safe US2 zone power supplies for valves
10.9.2.1. UT1 and UT2 LEDs
UT1/2
OFF No error
At least one of the safe inputs has a cross circuit with another signal (e.g. the other safe
Flashing at 1 Hz
input, 24 V or an external signal)
ON The clock power supply has a short circuit or overload.
Table 10-22 L/A indicator
Table 10-23 FO 1/2 indicator
Description
Fig. 10-4 LED indicators 2 of the EX245-FPS1/2/3
Table 10-24 UT1 and UT2 LEDs
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Meaning
Meaning
Meaning
Colour
Red
Green
Green/Red
Green/Red
No.EX##-OMY0004