ELGO Electronic Z58-600 Series, Руководство по эксплуатации

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Serial Interface
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12 Serial Interface
When connecting the serial interface, the current actual value of the Z58 unit can be transmitted to a PC or to a
higher-level system.
12.1 Key Data
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Interface: RS232 (standard)
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Baud rate: 9600 baud
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Data format: 8 data bit, 1 stop bit, no parity
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Communication: Z58 responds only to PC request
12.2 Commands
Read out the actual value:
Command: STX ´i´ ETX
Example: 02h 69h 03h
Response: e.g. B. 9712.3 (decimal) bzw. 0001 7B63 (hexadecimal)
STX <8 byte data> CRC ETX
02h 36h 33h 37h 42h 30h 31h 30h 30h A3h 03h
Remarks:
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The data is transmitted in hexadecimal ASCII code, starting with the LOW byte.
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In case of an invalid command, a "Q" is sent
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The CRC is an addition of the 8 data bytes (a possible carry is omitted)
low byte high byte
high nibble low nibble