Skip to content

JSY-MK-194T Power Meter¶

Description¶

The JSY-MK-194T power meter shares common code with the JSY-MK-194T energy counter to communicate with the module. The rest of this documentation explains how to configure this common part and how to configure a JSY-MK-194T power meter.

This package reads grid exchange power from channel 2 of the JSY-MK-194T over UART, so it does not require the network.

jsy-mk-194t

Common Configuration¶

Shared configuration

solar_router/jsy-mk-194t_common.yaml configures UART communication and is used by both the power meter and the energy counter.

This file manages communication with the board. Add jsy-mk-194t_common.yaml and configure the GPIOs according to your hardware as shown in the example below:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
packages:
  solar_router:
    url: https://github.com/hacf-fr/Solar-Router-for-ESPHome/
    refresh: 1s
    files: 
      # JSY-MK-194T management
      - path: solar_router/jsy-mk-194t_common.yaml
        vars:          
          uart_tx_pin: GPIO26
          uart_rx_pin: GPIO27
          uart_baud_rate: 4800
          AP_Ch2_internal: "false" # optional, allows displaying one of the JSY-MK-194T sensors

Variables (common)¶

Variable Required Default Description
uart_tx_pin yes — GPIO pin for UART TX to the JSY-MK-194T
uart_rx_pin yes — GPIO pin for UART RX from the JSY-MK-194T
uart_baud_rate yes — UART baud rate (typically 4800)
U_Ch1_internal no "true" Hide Voltage Ch1 in Home Assistant when "true"
I_Ch1_internal no "true" Hide Current Ch1 in Home Assistant when "true"
AP_Ch1_internal no "true" Hide Active Power Ch1 in Home Assistant when "true"
PAE_Ch1_internal no "true" Hide Positive Active Energy Ch1 when "true"
PF_Ch1_internal no "true" Hide Power Factor Ch1 when "true"
NAE_Ch1_internal no "true" Hide Negative Active Energy Ch1 when "true"
PD_Ch1_internal no "true" Hide Power Direction Ch1 when "true"
PD_Ch2_internal no "true" Hide Power Direction Ch2 when "true"
frequency_internal no "true" Hide Frequency when "true"
U_Ch2_internal no "true" Hide Voltage Ch2 when "true"
I_Ch2_internal no "true" Hide Current Ch2 when "true"
AP_Ch2_internal no "true" Hide Active Power Ch2 when "true" (set "false" to expose)
PAE_Ch2_internal no "true" Hide Positive Active Energy Ch2 when "true"
PF_Ch2_internal no "true" Hide Power Factor Ch2 when "true"
NAE_Ch2_internal no "true" Hide Negative Active Energy Ch2 when "true"

Power Meter Configuration¶

To enable the power meter, simply add it to your configuration as shown in the example below:

1
2
3
4
5
6
7
8
packages:
  solar_router:
    url: https://github.com/hacf-fr/Solar-Router-for-ESPHome/
    refresh: 1s
    files: 
      - path: solar_router/power_meter_jsy-mk-194t.yaml
        vars:
          consumption_sensor_internal: "true" # Hide unused Consumption sensor in Home Assistant

For a complete implementation example, refer to the JSY-MK-194T example.

Variables (power meter)¶

Variable Required Default Description
power_meter_activated_at_start no "0" Set to "1" to activate the power meter at boot
power_sign no "1" Polarity multiplier ("-1" to invert CT orientation)
consumption_sensor_internal no "false" Set to "true" to hide the unused Consumption sensor in Home Assistant