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Dear Support Team,
I recently purchased another KC868-A16 (Revision V1.6). After successfully flashing it with ESPHome, LAN communication is working correctly, and the first 8 inputs/outputs function as expected.
However, the second set of 8 inputs/outputs is not responding. The 12V power supply is connected to the second output slot, and the N line is connected to the second input slot, but the LEDs remain off even when toggled via the web interface.
Below is my PCF8574 configuration, which works properly with my previous A16 units:
Code: pcf8574:
- id: 'pcf8574_hub_output'
address: 0x24
- id: 'pcf8574_hub_output_2'
address: 0x25
- id: 'pcf8574_hub_input'
address: 0x22
- id: 'pcf8574_hub_input_2'
address: 0x21
switch:
- platform: gpio
name: "Test_1-8_OK"
id: switch7
pin:
pcf8574: pcf8574_hub_output
# Use pin number 0
number: 6
# One of INPUT or OUTPUT
mode: OUTPUT
inverted: true
- platform: gpio
name: "Test_9-16_Fail"
id: switch9
pin:
pcf8574: pcf8574_hub_output_2
# Use pin number 0
number: 0
# One of INPUT or OUTPUT
mode: OUTPUT
inverted: true
Thank you for your assistance.
Best regards,
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Modbus register map