MEDEA Installation Manual
25
1.9.2
PrIO LEDs
The indications of LEDs LP1...LP8 depend on how the corresponding PrIO was configured.
PrIO configuration
LED state
Meaning
NC or NO input
OFF
Input to earth
5 flashes
Open input
Single-balanced input
OFF
Input to earth
1 flash
Balanced input
5 flashes
Open circuit
Double-balanced
input
OFF
Input to earth
1 flash
Balanced input
2 flashes
Alarm
5 flashes
Open circuit
Triple-balanced input
OFF
Input to earth
1 flash
Balanced input
2 flashes
Alarm 1
3 flashes
Anti-masking
4 flashes
Alarm 1 + Anti-masking
5 flashes
Open circuit
Tandem input
OFF
Input to earth
1 flash
Balanced input
2 flashes
Alarm 1
3 flashes
Alarm 2
4 flashes
Alarm 1 + Alarm 2
Output
ON
Output on
OFF
Output not active
Table 13 - EP708 expansion module LEDs
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