PEP Modular Computers Modular Computers RS485 User Manual page 127

Chapter 4 Digital Modules
If the same SM-REL1 Module is to be accessed from different tasks, the
user must make sure that the actual output status is ensured by using for
example, semaphores within OS-9.
4.3.8.2 SMREL1Init
Syntax
error_code SMREL1Init(u_int8 PortNr);
Description
This function initializes the SM-REL1 Module on port PortNr by setting the
relays to OPEN, relay LED status to OFF and the external Vcc as input.
Input
u_int8 PortNr
Output
error_code
Example
RetVal = SMREL1Init(0);
March 12, 1996
Note
SM-Port to initialize
(from 0 to 10)
SUCCESS
E_BMODE
or standard OS-9 error code (refer to the OS-9
Technical Manual Error Codes Section).
©1996 PEP Modular Computers GmbH
SMART I/O User's Manual
if the module is unknown
4
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