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Analog signal conversion module
[Introduction]：TF22-AAC24V is an active module with pre-stage voltage/PWM signal input and post-stage voltage/current signal output. The module integrates a high-efficiency micro-power power supply, which can supply power to the internal signal processing circuit and also provide external power. The circuit outputs a 24Vdc/50mA power supply.
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| Serial Number | Pin definition | Direction | Application |
|---|---|---|---|
| 1 | VIN | Input | DC power input positive |
| 2 | GND | Input | DC power input negative |
| 3 | NC | None | Reserved, not linked to circuit |
| 4 | IN1 | Input | 1-channel analog voltage or PWM input positive |
| 5 | GND | Input | 1-channel analog voltage input reference ground |
| 6 | IN2 | Input | 2-channel analog voltage or PWM input positive |
| 7 | GND | Input | 2-channel analog voltage input reference ground |
| 8 | GND | Output | 2-channel analog signal output reference ground |
| 9 | AO2 | Output | 2-channel analog voltage/current output positive |
| 10 | GND | Output | 1-channel analog signal output reference ground |
| 11 | AO1 | Output | 1-channel analog voltage/current output positive |
| 12 | GND | Output | Module output power reference ground |
| 13 | VO+ | Output | Module power output is positive |