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2 - THE CONTROL PLC
2.3 - Alphanumeric terminal
The terminal is supplied equipped with an alphanumeric screen (8 lines x 22 characters) and 6 keys. It is connected to connector J15
on the PLC via a telephone cable.
It is used to modify the programme parameters and view the machine state.
2.3.1 - Machine status
The terminal is used to view the machine state.
List of symbols and explanations
Indicates the unit run or shutdown request
Icon
flashing
Indicates the state of the time schedule
Icon
U:01
Indicates the unit's address on the pLAN bus
15:30
Indicates the time
21.4 °C
Indicates the set temperature value (room, extraction or intake)
On
Indicates the unit state
Unit status
Off
Off due to a fault
On
On setpoint 1
On setpoint 2
Night cooling
Frost protection
Test mode
Fire protection
8
On/off request for the unit
Off from the terminal or the CMS
On from the terminal or the CMS and off via the remote control
On from the terminal or the CMS
Time schedule state
No validated time schedule
At least one time schedule is validated but not active
At least one time schedule is validated and active
Description
The unit is off
The unit is stopped following a fault
The unit is operational
The unit is operational with the setpoints 1
The unit is operational with the setpoints 2
Night cooling mode is active
The unit is stopped but is providing frost protection
Test mode is active
Fire protection is active
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