IFREEQ ZMAi 90 - qtoggle/espqtoggle GitHub Wiki
Device
Description
ZMAi-90, also known as WDS688, is a single-phase DIN rail smart power meter.
By default, it runs Tuya proprietary firmware.
Configuration
Provisioning configuration name: espqtoggle/ifreeq/zmai-90
Flash Parameters
- flash mode: DIO
- flash frequency: 40MHz
Pins
1st Generation
| Number | Function | Remarks |
|---|---|---|
| 1 | V9821 RX | |
| 3 | V9821 TX | |
| 4 | status LED | active low |
| 12 | latching relay | active high |
| 13 | push button | active low |
Ports
| Id | Type | Description | Range/Unit | Remarks |
|---|---|---|---|---|
push_button |
boolean | on/off button, setup button | ||
relay |
boolean | relay | ||
active_power |
number | active power | W | |
reactive_power |
number | reactive power | VAR | |
apparent_power |
number | apparent power | VA | |
power_factor |
number | power factor | 0..100 % | |
energy |
number | energy | Wh | |
voltage |
number | voltage | V | |
current |
number | current | A | |
frequency |
number | frequency | Hz |
2nd Generation
| Number | Function | Remarks |
|---|---|---|
| 1 | MCU RX | |
| 3 | MCU TX |
Ports
| Id | Type | Description | Range/Unit | Remarks |
|---|---|---|---|---|
relay |
boolean | relay | ||
active_power |
number | active power | W | |
reactive_power |
number | reactive power | VAR | |
apparent_power |
number | apparent power | VA | |
power_factor |
number | power factor | 0..100 % | |
energy |
number | energy | kWh | |
voltage |
number | voltage | V | |
current |
number | current | mA |
Installation
Follow the Tuya Convert OS procedure.
Next Steps
You can now power your device by connecting it to mains. Follow the initial setup instructions to connect the device to Wi-Fi and add it to your qToggle system.