Horner-apg SmartStix Analog Programming Guide Manual do Utilizador descarregar pdf (Página 2)

PAGE 2 24 SEP 2003 MAN0703-01

2 BASIC SMARTSTIX PROGRAMMING

2.1 Using GET and PUT

2.1.1 Get Remote I/O Function Block

This function handles receiving data from a remote I/O device and places the received data in a set of

registers specified by the user. This function passes power flow if the function is actively receiving data /

heartbeat messages from the remote I/O device. This function stops passing power flow if it has not

received data / heartbeat messages from the remote I/O device for 2000 milliseconds.

A remote I/O device consists of a CsCAN device such as a SmartStix Module that transmits global data

and receives directed network data.

Figure 1 – Get Remote I/O Function Block and Parameter Screen

2.1.2 Get Remote Parameter Description:

ID – This is the network ID of the remote I/O from which to receive data. This can be a constant from 1 to

253 or a 16-bit register.

Digital / Analog – These radio buttons allow choosing digital or analog network data. Remote I/O

devices with discrete inputs/outputs normally require digital data. Remote I/O devices such as voltage,

current or thermocouple would require analog data.

Destination Data Address – This is the location to start placing data received from the remote I/O

device. The number of registers used is defined by the Num Words parameter in this section. Any valid

read/write OCS reference types can be used (%R, %AI, %I, %M, etc.).

Status – This 16-bit register is used internally. It must not written by any other function block. Use the

power flow from this function for the pass/fail status.

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Horner-apg SmartStix Analog Programming Guide Manual do Utilizador Página 2