Technical information
zzCommand transmission method
Transmit using the following command formats.
Transmitted data
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| Header |
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| Data section |
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| Termination | ||||||||
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| symbol | ||||||||||
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| ‘0’ |
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| ‘0’ |
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| Control command |
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| (CR) | ||||
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| 0x30 |
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| 0x30 |
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| (ASCII string) |
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| 0x0d | ||||
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| 1 byte |
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| 1 byte |
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| Undefined length |
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| 1 byte |
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Received data |
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| Header |
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| Data section |
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| Termination | ||||||||
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| symbol | ||||||||||
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| ‘0’ |
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| ‘0’ |
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| Control command |
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| (CR) | ||||
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| 0x30 |
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| 0x30 |
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| (ASCII string) |
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| 0x0d | ||||
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| 1 byte |
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| 1 byte |
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| Undefined length |
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| 1 byte |
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Error response
| Error message |
| Termination symbol | ||
“ERR1” Undefined control command |
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“ERR2” Out of parameter range |
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“ERR3” Busy state or |
| (CR) | |||
“ERR4” Timeout or |
| 0x0d | |||
“ERR5” Wrong data length |
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“ERRA” Password mismatch |
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| 4 bytes |
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| 1 byte |
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Appendix
ENGLISH - 159