Rockwell-automation 1734-485ASC POINT I/O ASCII User Manual Manual do Utilizador descarregar pdf (Página 39)

Publication 1734-UM009B-EN-P - July 2003

Configuring Your ASCII Module 2-13

Serial Port Transmit/Explicit Messages from Configuration Tool

Transmit Serial

Data String

24 Get/Set Serial data to be

sent to the serial

transmit buffer

ASCII Block Data

0-128 bytes long

Empty Empty SHORT_

STRING

Transmitted Serial

Data Length

25 Get/Set Length of the

Transmit Serial Data

0-128 0 0 USINT

Transmit transaction

26 Get/Set The transaction ID

of the current

transmit data buffer

0-255 0 0 USINT

Status 27 Get The Combined

status byte for the

Serial Port Object,

the Receive Record

object and the

Transmit Record

object.

1 = TX FIFO Overflow

2 = RX FIFO Overflow

4 = RX Parity Error

64 = Handshake Error

128 = New Data Flag

No Status 0 USINT

POINTBus Options

Autobaud 28 Get Autobaud allows the

module to match the

baud rate of existing

devices on a

network. Changes to

this attribute take

effect after the next

powerup. If

’Enabled’, the Baud

Rate Attribute

cannot be set.

0 = Enable

1 = Disable

Enable 1 USINT

Table 2.3 Parameter List

Parameter Parameter

Instance

Access Description Parameter Choices Default

Setting

Default

Value

Data Type

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 75 76

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