Advantech PCM-3335 Manual de usuario descargar pdf (Pagina 23)

10-23

Features

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ICOM

Motion Control

ADAM-3000

cPCI

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ATM & AWS

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TPC

IPPC

Software

eConnectivity

UNO

ADAM-4000

ADAM-5000

ADAM-6000

ADAM-8000

BAS

All product specifications are subject to change without notice Last updated : January 2005

8-port Intelligent RS-232/422

ISA Communication Card

PCL-844+

 RISC Processor (TMS 320)

 512 KB dual-port RAM

 Transmission speed up to 921.6 kbps with eight ports on-line

 Complete RS-232 modem control signals

 Maps to just 16 KB of system memory. Choose one of six addresses from

C8000 to DC000.

 Many IRQ options: 2, 3, 4, 5, 7, 10, 11, 12 or 15

 Easy-to-use menu driven installation program

 LEDs on connection box let you monitor the TxD/RxD status of any port

 Links to peripherals up to 1200 m (4000 ft) from controller (RS-422)

 Surge protection: 2500 V

ESD

, 2000 V

EFT

(Optional)

Speciﬁcations

Board

 Number of Ports 8

 Processor RISC, TI TMS320C203-57

 Dual-ported RAM 512 KB

 SRAM 16 KB

 UART RISC-based CD180

 Interrupt 2, 3, 4, 5, 7, 10, 11, 12 or 15

 Maximum Ports in 32

One System

 Operating Temperature 0 ~ 55° C (32 ~ 131° F)

 Power Consumption +5 V @ 155 mA, +12 V @ 110 mA, -12 V @ 160 mA

 Weight 0.8 kg (1.8 lb)

RS-232 Interface

 Signals TxD, RxD, RTS, CTS, DTR, DSR, DCD and GND

 Mode Asynchronous full duplex

 Communication Speed 50 bps ~ 921.6 kbps

 Data Bits 5, 6, 7, 8

 Stop Bits 1, 1.5, 2

 Parity Even, odd or none

Introduction

The intelligent PCL-844+ was designed as a 8-port RS-232 or RS-422 interface card for lab and industrial applications where a PC needs to communicate with terminals, modems,

or other instruments. RS-422 applications use the optional Opt-8F/8Z 8-port RS-232 to RS-422 converter, shown on the following page. You can install up to four PCL-844+ cards

for a total of 32 ports in any AT/lSA bus-based PC.

The PCL-844+ card has an on-board RISC processor that takes over the communications load from the host PC. When you are processing large amounts of data from multiple ports,

servicing the interrupts alone consumes a large percentage of the capacity of your computer's CPU. The PCL-844+ serves as a high speed, dedicated interrupt processor. Its CPU

directly controls the board's CD180 RISC-based UART, guaranteeing 921.6 kbps performance of over eight high-speed data ports.

PCL-844+ is virtually a self contained computer in its own right. It contains 512 KB of dual-port RAM which you can use to store and run programs. The dual-port RAM maps into

the host system's address space to give you the fastest possible data transfers between PCL-844+ and the PC memory.

When the PCL-844+ initializes, it downloads the driver software (which functions like a PC's BIOS) into on-board SRAM. This improves performance and makes version upgrading

easy, with no hardware redundancy.

Ordering Information

 PCL-844+ 8-port Intelligent RS-232/422 Card, with ISA bus

 Opt8A 8-port RS-232 (DCE) connection box with female

DB25 connectors

 Op8B 8-port RS-232 (DTE) connection box with male DB25

connectors

 0pt8C 8-port RS-232 connection cable with male DB25

connectors

 Opt8H 8-port RS-232 connector cable with male DB9

connector (1m length)

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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