Technical data

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MKA4ST0UKPLAN5-7/Power Lan/ed.5/09-2003/UK
5.3 Alarms
POWER LAN has several Buzzer signals, which are activated upon different scenarios. The Buzzer signals are:
- Buzzer 1
1 long beep each 15 seconds. It is always activated when batteries are discharging.
- Buzzer 2
5 short beeps. It is activated:
- when POWER LAN starts
- when you switch POWER LAN off
- when the autotest is done
- Buzzer 3
1 long beep each second. It is activated when the low battery alarm sounds ie. when there is a short
time to the battery shut down.
- Buzzer 4
2 short beeps which are activated:
- upon resetting of the microprocessor
- for each change of mains status
- for each step to batteries
- for each change of temperature alarm
- when a total switch off is done
- Buzzer 5
Not used.
- Buzzer 6
5 short beeps and a long one continuously. Activated when:
- overtaking of MAXIMUM OUTPUT CURRENT
- overtaking of MAXIMUM INTERNAL TEMPERATURE
- overtaking of MAXIMUM TEMPERATURE OF INVERTER
- Buzzer 7
20 short beeps. It is activated when the enforced by-pass is required .
Buzzer 6 can be activated even if POWER LAN is stopped or is in stand-by mode. The rest except beep 4
provoked by a reset are only activated when the unit has been started.
6.0 REMOTE ALARMS AND CONTROLS
6.1 RS232C
The RS-232 connector (RJ11 with 4 wires) provides the following signals:
Pin 1 is reserved and should never be used, as it is not voltage free.
This connector, used with the cable supplied with the POWER LAN, allows communication with DIALOG
software via PC serial port.