Pepper-computer Modular Computers RS485 Manuale Utente Scaricare il pdf (Pagina 131)

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SMART I/O User’s ManualChapter 4 Digital Modules

4.3.8.6 SMREL1SetRly

Syntax

error_code SMREL1SetRly(u_int8 PortNr,

u_int8 *buffer);

Description

This function sets the output of the port PortNr with the buffer contents.

Bits 0-5 of the buffer are used to set the Relays:

0 = close relay

1 = open relay

Bits 6 and 7 have no function.

Input

u_int8 PortNr

SM-Port number to set data

u_int8 *buffer

Pointer to buffer where data is stored

Output

error_code SUCCESS

E_BMODE

if the module is unknown

or standard OS-9 error code (refer to the OS-9

Technical Manual Error Codes Section).

Example

RetVal = SMREL1SetRly(0, buffer);

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 ... 319 320

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