Functional Block Diagram
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| +5V |
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| Power Regulator |
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| Isolation +5V | |
| & Filter |
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| Isolation GND |
Power Input | GND |
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DC to DC |
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+10V ~ +30V |
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| Converter |
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| SW1 |
| TVS | PTC |
TXD |
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| Data+ | |
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| Data- | |||
RXD |
| Communication | Receiver/Driver | |||
Receiver |
| Rx+ | ||||
RTS |
| Switching |
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/ Driver |
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| Controller |
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| Rx- | ||
GND |
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| Tx+ | |
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| Communication |
| Tx- | ||
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| Direction Control |
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| TVS : Transient Voltage Suppresser |
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| PTC : Positive Temperature Coefficient |
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