Watlow MICRODIN Instrukcja Użytkownika Pobierz pdf (Strona 89)

∆∆∆∆∆∆

address

command

registers and/or data

CRC

Read Multiple Registers Command (0x03 or 0x04)

This command returns from 1 to 32 registers.

Packet sent to controller:| nn | 03 | nn nn | 00nn | nn nn |

∆∆∆∆∆∆∆∆

controller address (one byte)

read command (0x03 or 0x04)

starting register high byte

starting register low byte

number of registers high byte (0x00)

number of registers low byte

CRC low byte

CRC high byte

Packet returned by controller: | nn | 03 | nn | nn nn…nn nn | nn nn|

∆∆ ∆∆∆∆∆∆∆

controller address (one byte)

read command (0x03 or 0x04)

number of bytes (one byte)

first register data low byte

first register data high byte

CRC low byte

CRC high byte

Watlow MicroDIN A.3

Appendix

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Watlow MICRODIN Instrukcja Użytkownika Strona 89