Siemens SIMATIC TI500 Manual do Utilizador descarregar pdf (Página 58)

Modbus Commands

C-9

TIWAY I Gateway User Manual

The

response returns in the data field a single byte (1A) containing the 1’

or 0’

s for the 5 discrete inputs, packed out with zeros for the three high bits.

I000000

1A =

0 0 0 1 1 0 1 0

Input 0A (OFF)

Input 0B (ON)

Input 0C (OFF)

Input 0D (ON)

Input 0E (ON)

Packed with zeros (000)

Figur

e C-8

Read

Input Status Example — Data Field

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 93 94

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Siemens SIMATIC TI500 Manual do Utilizador Página 58