
10 MACS| Instruction manual v1.1 11- 2018 |MACS_instructions_en_v1.1|© 2018 TSec SpA
Part Description
CTerminal block for connecting Ethernet board (see "Description of terminal block for connecting
the Ethernet board " on page22)
DCable glands, for bus cables of the two sensor chains and towards the Ethernet board
LED
LED Color Description
LD2 Green Power supply status:
lSteady: powered up.
lOff:not powered up (see "LED of the Master" on page31).
LD9 Green Power supply status bus 2:
lSteady: powered up. In the start- up and configuration phase, the LED turns off for a few
seconds and then turns back on.
lOff:not powered up (see "LED of the Master" on page31).
LD10 Red Short- circuit bus 2:
lSteady: short- circuit
lOne flashing: short- circuit detected. The Master attempts to power up the bus again and
the LED turns off. If the short- circuit is detected again, the LED turns back on and stays on.
LD11 Green Power supply status bus 1:
lSteady: powered up. In the start- up and configuration phase, the LED turns off for a few
seconds and then turns back on.
lOff:not powered up (see "LED of the Master" on page31).
LD12 Red Short- circuit bus 1:
lSteady: short- circuit
lOne flashing: short- circuit detected. The Master attempts to power up the bus again and
the LED turns off. If the short- circuit is detected again, the LED turns back on and stays on.
LD15 Green Firmware status:
lFlashing: normal functioning.
lSteady or off: malfunctioning (see "LED of the Master" on page31).
Orange Sensor configuration status:
lSteady: configuration in progress. The sensor alarms are not read. The LED turns off after
about 30 s of inactivity in the web interface.
lOff: configuration concluded.
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