Kontron PB-SIO4A Manual de usuario Pagina 13

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PB-SIO4A Introduction
ID 19958, Rev. 0300 Page 1 - 3® PEP Modular Computers GmbH
1. Introduction
1.1 Product Overview
1.1.1 Description
The PB-SIO4A is a quad (four) channel asynchronous RS422/RS485 serial piggyback
with support for full duplex RS422/RS485 transmit, receive, and RTS/CTS handshake
signals.
There are four different versions of the PB-SIO4A available:
non-optoisolated:
RS422
RS485
optoisolated:
RS422
RS485.
Any version combination can be installed on a single carrier board. Interfacing to the
PB-SIO4A depends on the type of connector provided by the carrier board or optional
adapters.
1.1.2 Features
General:
Interrupt request line employed, interrupt vector generated by the DUART’s.
Board ID byte for remote (software) configuration identity checking.
Compact size, four serial ports within standard industrial I/O piggyback dimen-
sions.
Easy to maintain. Quick and simple replacement if required.
Hardware:
Full electrical and mechanical compatibility with the extensive range of carrier
boards.
All required VMEbus lines are available on the piggyback.
Optional optoisolated driver/receiver supporting TxD and RxD.
Optional interface adapters with four 15-pin D-sub connectors. (See Adapter AD-
SIO4 chapter this manual)
Extended temperature version available for harsh industrial environments.
1.2 Board Overview
The PB-SIO4A has two connectors for interfacing to the carrier board. Connector ST101
interfaces to the CPU side of the carrier board whereas connector ST102 provides inter-
facing to the external interface side of the carrier board.
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