Ports
Connect the GGM IDS
The default setting for the induction hob is:
Interrupt
blue/green
- (unoccupied) or D5
Command
yellow
D6
Relay
white
D7
Voltage +
red
5V/Vcc
Tension -
black
GND
On the wiring diagram, the 5 connections for the induction hob are marked "GGM". The GGM connection cable from the control panel has a blue cable, while the replacement cable has a green cable.
The Brautomat including the display can be operated with the power supply of the GGM IDS. All you have to do is plug the red and black cables into the marked screw terminals. In this case, another additional power supply must not be connected to the ESP microcontroller.
Alternatively, the Brautomat can be operated with a 5V DC power supply. In this case the red cable is not connected to the GGM IDS.
Connect Dallas DS18B20 temperature sensors
The Brautomat supports up to three DS18B20 temperature sensors. The connector is marked DS18B20-1 to DS18B20-3 on the board illustration. The colors of the sensor cables are different. For very cheap sensors without labeling or description, the color scheme is usually black - red - yellow.
Voltage +
green or red
Vcc
Data line
white or yellow
Data
Tension -
brown or black
GND
There is no order of connections for the Dallas DS18B20 digital sensors.
Connect temperature sensors PT100x and MAX31865.
SPI clock in
SCLK D9
SDO MasterIn SlaveOut
MISO D10
SDI MasterOut SlaveIn
MOSI D11
Chip select pin 0
CS0 D13
Chip select pin 1
CS1 D16
Chip select pin 2
CS2 D17
Vin
3V3
GND
GND
The sequence CS0 to CS2 for connecting PT100x sensors must be observed.
Connect display
red
Current +
Vcc
black
Electricity -
GND
blue
TX
D1
yellow
RX
D2
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