Technical Characteristics; Electronic Control System Memory; General Structure Of The Memory System; Flash - Electrolux TC2 Service Manual

11

TECHNICAL CHARACTERISTICS

11.1 Electronic control system memory

11.1.1 General structure of the memory system

The system features a FLASH memory inside the micro-processor, which allows the recording of the
configuration data, the description of the cycle, the status of the appliance in the event of a power failure and
the alarms.
External
asynchronous
serial port

11.1.2 FLASH

This area of the memory contains the "firmware" code comprising the appliance functions:
Control of electric loads (motor, pump, solenoid valves, etc.)
Control of the sensors (pressure switches, motor speed, door status, etc.)
management of the user interface;
management of the serial port;
management of power failures and alarms;
Execution of the washing programme
Power failure, i.e. the information necessary to restart the appliance in the event of a power failure:
- Selected cycle and options
- Current phase and sub-phase
Appliance status, used to perform special cycles, such as:
- Electrical test (used on the assembly line)
- Continuous cycles (used in the factory workshop)
Appliance configuration: the data contained in this portion of the memory defines the characteristics of the
model and is interpreted by the function software. The variables are as follows:
Type of appliance (front-loader, top-loader, compact)
-
Type of door interlock (PTC or instantaneous)
-
Anti-flooding safety device
-
Transmission ratio between drum pulley and motor pulley
-
Structure of the washing group
-
Power supply frequency (50 or 60 Hz)
-
Type of PCB (horizontal or vertical buttons)
-
Detergent dispenser (3 or 4 compartments)
-
- Final spin speed (600÷1,400 rpm)
Identification of the appliance:
Prod. No.
-
ELC
-
Serial Number
-
Configuration of the user interface:
Programmes on main selector
-
Function of secondary selector (where featured)
-
Number and functions of buttons
-
LED functions
-
Buzzer operation
-
SOI/DT 2010-03 dmm
μP
FLASH RAM
45/78
Power Fail and
appliance status
Appliance
configuration
Cycle
description
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