Advantech PCM-3614 User manual

1PCM-3614 User's Manual

PCM-3614

4-port RS-422/485 High-Speed Module

PC/104 and the PC/104 logo are trademarks of the PC/104 Consortium Part no. 2000364100 1st Edition Printed in Taiwan August 2000

PCM-3614 4-port RS-422/485 High-Speed Module

Introduction

The PCM-3614 is a PC/104-compatible module with four in-

dividually configurable RS-422/485 ports. It works with PC/

104 CPU modules to extend additional RS-422/485 ports.The

PCM-3614 also features lots of functions such as high trans-

mission speed 921.6 kbps, independent/shared IRQ and more.

It also provides high-performance 16C550 UART communi-

cation chip with 16-byte FIFO to reduce CPU load.This makes

the PCM-3614 especially suitable for multitasking environ-

ments.

The PCM-3614 comes with a Windows 95/98/NT/ME con-

figuration utility (Windows 2000/XP utility will soon be ready

and allowed to download through our Web site). The Win-

dows configuration utility provides functions such as self-di-

agnostics and performance analysis for easy troubleshooting

and debugging.

The PCM-3614 provides versatile function settings to meet

users' needs. These function settings include Standard/En-

hance mode, Independent/Shared IRQ mode and Speed

mode. Standard/Enhance mode setting helps the user use

base address more flexible.Especially in Enhance mode, dif-

ferent base addresses can be set according to the applica-

tion. In Shared IRQ mode, all ports of interrupt can be speci-

fied to one.This solves the problem of IRQ insufficiency within

the embedded system. In Speed mode, the PCM-3614 al-

lows transmission rate up to 921.6 kbps, improving the over-

all performance of the system.

Features

•Four Independent RS-422/485 serial ports

•Automatic RS-485 data flow control

•Transmission speeds up to 921.6 Kbps

•Shared IRQ settings for each port

•Windows configuration utility for Windows 95/98/NT/ME

P.S. Windows 2000/XP/CE driver will soon be available on

our Web site

•Built-in termination resistors

•LED indicators: TX, RX

•Standard PC ports: COM1, COM2, COM3, COM4

compatible

Specification

•Bus interface: PC/104 (ISA)

•Number of ports: 4

•I/O address: 0x000 ~ 0x3F8

•UART: 4 x 16C550

•IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15

•Data bits: 5, 6, 7, 8

•Stop bits: 1, 1.5, 2

•Parity: none, even, odd

•Speed (bps): 50 ~ 921.6K

•Connectors: Four DB-9 male

•Signal support: TxD+, TxD-, RxD-, CTS+, CTS-,

RTS+ and RTS-

•Surge protection: 1000 VDC

•Temperature:Operating : 0 ~ 65° C

(refer to IEC-68-1-1,2) ( 32~149° F)

Storage : -25 ~ 80° C (-13~176° F)

•Operation Humidity: 0% ~ 90% Relative

Humidity, non-condensing

Product Package

•PCM-3614 PC/104 4-port RS-422/485 High-

Speed Module

•Advantech ICOM Driver/Utility CD

•One cable

Initial inspection

We carefully inspected the PCM-3614 both mechani-

cally and electrically before we shipped it. It should

be free of marks and scratches and in perfect elec-

trical order on receipt.

Handle the board only by its edges.The static change

on your body may damage its integrated circuits.

Keep the card in its anti-static package whenever it

is not installed. You can use this package to return

the card if it should need repair.

Board Layout

2PCM-3614 User's Manual

Card Configuration

Each port on the PCM-3614 card requires configuration prior

to use. The DIP switches set ports to the appropriate I/O ad-

dress (SW2) and different modes (SW1).The jumpers set the

port's IRQ.

Default Settings

The board is shipped with default settings. If you need to

change these settings, however, see the following sections.

Otherwise, you can simply install the card.

PCM-3614 Default Configuration

Setting Default Function

JP3 IRQ 5

Speed Mode 1 x

IRQ mode Share

Base Address Address 300H

Vector Address Interrupt 280H

Standard/ Enhanced Enhance

Operating System Windows 95/98/NT

Jumper and switch settings

The PCM-3614 can function in many different modes accord-

ing to your application needs.These modes include Standard/

Enhanced Mode, Independent/Shared IRQ Mode, Speed

Mode, and Operating System Mode. Details of these specific

modes are described as follows:

Standard/Enhanced Mode (M0)

PCM-3614 can be used in standard or enhanced mode. In

standard mode the I/O addresses are compatible with the

standard PC communication ports, COM1 ~ COM4. In en-

hanced mode you can select a different base address. The

offset of each port from the base address is fixed. You can

use M0 of DIP switch (SW1) to select standard or enhanced

mode.

In the following sections, we will use the icons shown below

to represent switches set for ON or OFF.

Standard mode

In standard mode, the I/O address of the ports are as follows:

Port I/O address Interrupt No.

Port 1 3F8 Selectable

Port 2 2F8 Selectable

Port 3 3E8 Selectable

Port 4 2E8 Selectable

Enhanced mode

In enhanced mode, you can select a different base address.

The vector address determines the address for each of the

four ports.

The I/O addresses for the four ports are as follows:

Port I/O address

Port 1 Base + 00H

Port 2 Base + 08H

Port 3 Base + 10H

Port 4 Base + 18H

You use switches 1~7 of DIP switch SW2 to set the base

address anywhere from hex 200 to 3F8.

To set the base address, you have to calculate the base

address as follows: (switch ON is “0”, switch OFF is “1”.)

The following table shows different base address settings.

Port base address (SW2)

Base Address A3 A4 A5 A6 A7 A8 A9

200 - 207 (hex) llllll¡

208 - 20F (hex) ¡lllll¡

*300 - 307 (hex) lllll¡¡

3E8 - 3EF (hex) ¡l ¡¡¡¡¡

3F8 - 3FF (hex) ¡¡¡¡¡¡¡

l: ON ¡: OFF *: Default

Note: If your CPU module or card has serial interface ports,

you will need to adjust the I/O port addresses (or dis-

able the ports) to avoid conflicts.

Switch is set ON.

Switch is set OFF.

ONON

SW1

ONON

SW1

ONON

Base address Decimal HEX

line value value

A3 8 8

A4 16 10

A5 32 20

A6 64 40

A7 128 80

A8 256 100

A9 512 200

SPEED

3PCM-3614 User's Manual

SW1

ONON

Independent/Shared IRQ mode

(M1, JP3, JP4, JP6, JP7)

The card’s IRQ can be set using M1 of SW1. Please note that

the DIP switch is for setting the mode as shown below.

Shared IRQ Mode

Independent IRQ Mode

Independent IRQ (JP1-JP4)

In this mode, each of the four ports can have IRQ channels

set individually. For each port, select an IRQ not in use by

other devices in the system. The map of jumpers and ports is

shown below.

Port 1 —> JP3

Port 2 —> JP4

Port 3 —> JP5

Port 4 —> JP6

Shared IRQ (JP3)

Select an IRQ which is not in use by another card in the sys-

tem. If you are installing more than one PCM-3614, set them

to different IRQ numbers. Jumper Bank JP3 controls the card

IRQ. Please refer to the following figure for example.

Interrupt Status Register Setup (SW1,Vector

address)

The feature on the PCM-3614 is utilized in the shared IRQ

mode. When data arrives at any one of the four ports, an in-

terrupt will be generated in the interrupt register.The PC soft-

ware can read this, and identify immediately which port gen-

erated the interrupt.This saves time and makes programming

easier.When a data bit of the interrupt status register is set to

0, the corresponding channel is selected to generate an in-

terrupt. If the bit is 1, then no interrupt is generated. The DIP

switch, SW1, controls the card’s interrupt status register, as

shown in the following figure and table.

Interrupt Status Register SW1

Bit Function

0 Port 1

1 Port 2

2 Port 3

3 Port 4

4 Not Used

5 Not Used

6 Not Used

7 Not Used

The user may change the interrupt status address via SW1.

Please note that the address decoder will occupy a continu-

ous, 16-byte area, according to the switch setting. For exam-

ple, if you set the switch to 210H, then the address 210H to

21FH will be decoded.The various DIP switch settings (SW1)

for the interrupt status register are shown in the table below.

34567 910111215

JP3

SW1

ONON

SW1

ONON

A4 A5 A6 A7 A8 A9 Interrupt

ON ON ON ON ON ON 000H

OFF ON ON ON ON ON 010H

ON OFF ON ON ON ON 020H

OFF OFF ON ON ON ON 030H

ON ON OFF ON ON ON 040H

OFF ON OFF ON ON ON 050H

ON OFF OFF ON ON ON 060H

OFF OFF OFF ON ON ON 070H

ON ON ON OFF ON ON 080H

OFF ON ON OFF ON ON 090H

ON OFF ON OFF ON ON 0A0H

OFF OFF ON OFF ON ON 0B0H

ON ON OFF OFF ON ON 0C0H

OFF ON OFF OFF ON ON 0D0H

ON OFF OFF OFF ON ON 0E0H

OFF OFF OFF OFF ON ON 0F0H

ON ON ON ON OFF ON 100H

OFFONONONOFFON110H

ON OFF ON ON OFF ON 120H

OFF OFF ON ON OFF ON 130H

ON ON OFF ON OFF ON 140H

OFF ON OFF ON OFF ON 150H

ON OFF OFF ON OFF ON 160H

OFF OFF OFF ON OFF ON 170H

ON ON ON OFF OFF ON 180H

OFF ON ON OFF OFF ON 190H

ON OFF ON OFF OFF ON 1A0H

OFF OFF ON OFF OFF ON 1B0H

ON ON OFF OFF OFF ON 1C0H

OFF ON OFF OFF OFF ON 1D0H

ON OFF OFF OFF OFF ON 1E0H

OFF OFF OFF OFF OFF ON 1F0H

4PCM-3614 User's Manual

Speed Mode Selection

The PCM-3641 employs a unique speed option that allows

the user to choose either normal speed mode (1x) or high

speed mode (8x).This high speed mode is selected at SPEED

of SW2.

Normal Speed Mode

To select the baud rate commonly associated with COM ports

, such as 2400, 4800, 9600. . .115.2 Kbps, place the switch

as follows.

High Speed Mode

To increase normal mode rates up to eight times, (e.g.if 115.2

Kbps is selected, the rate can be increased up to 921.6 Kbps),

place the switches as follows.

Operating Environment Selection

Set jumper 8 (JP8) to correspond with your desired software

operating environment. Connect the left two pins of JP8 to

operate in DOS or Windows 3.1 mode, as shown below. Con-

nect the right two pins to operate inWindows 95/98/NT mode.

DOS and Windows3.1 Windows 95/98/NT

Driver Installation for DOS Users

Make a duplicate copy of the driver diskette in case the orig-

inal disk becomes lost or damaged. Copy the files to a subdi-

rectory on your hard disk if you wish.

Card setup

The PCM-3614’s driver determines the configuration of the

installed cards by reading a data file, GEN-DRV.CNF. When

you first install the PCM-3614, and each time you change the

card’s address and IRQ, you will need to run the card setup

program to save the settings to the configuration file. Pro-

gram files should be installed to the hard disk.Insert the driv-

er disk in your computer, type DOSINST from the prompt and

press enter. Once the files have been installed, type SETUP

from the \COMLIB\BIN prompt and press ENTER. After the

screen shows up, move the cursor bar (using the arrow keys

or the mouse) to the general serial board field and press

ENTER. The screen shown below will appear.

When you finish setting up the ports, press the ESC key to

return to the previous windows. Press F10 to save the new

configuration or ESC to quit without saving. The setup pro-

gram will then create a new configuration data file GEN-

DRV.CNF.

It is a simple example program capable of sending and re-

ceiving data after each port is opened with selected commu-

nication parameters. As Windows 3.x features multitasking,

multiple windows for the ports can appear simultaneously

under TTY. However, Terminal, the application provided by

Windows is limited for the use of COM1 to COM4.

After completing the installation, restart Windows. And addi-

tional line “comm.drv = sercomm.drv”, will appear for the PCM-

3614 in the [boot] section of the Windows SYSTEM.INI file. In

addition, a Windows group “PC-ComLIB Standard COMM

Driver”will be generated for reconfiguration, driver removal,

etc. At this point, you are ready to execute applications that

support Windows COMM API calls.

A4 A5 A6 A7 A8 A9 Interrupt

ON ON ON ON ON OFF 200H

OFF ON ON ON ON OFF 210H

ON OFF ON ON ON OFF 220H

OFF OFF ON ON ON OFF 230H

ON ON OFF ON ON OFF 240H

OFF ON OFF ON ON OFF 250H

ON OFF OFF ON ON OFF 260H

OFF OFF OFF ON ON OFF 270H

ON ON ON OFF ON OFF 280H

OFF ON ON OFF ON OFF 290H

ON OFF ON OFF ON OFF 2A0H

OFF OFF ON OFF ON OFF 2B0H

ON ON OFF OFF ON OFF 2C0H

OFF ON OFF OFF ON OFF 2D0H

ON OFF OFF OFF ON OFF 2E0H

OFF OFF OFF OFF ON OFF 2F0H

ON ON ON ON OFF OFF 300H

OFF ON ON ON OFF OFF 310H

ON OFF ON ON OFF OFF 320H

OFF OFF ON ON OFF OFF 330H

ON ON OFF ON OFF OFF 340H

OFF ON OFF ON OFF OFF 350H

ON OFF OFF ON OFF OFF 360H

OFF OFF OFF ON OFF OFF 370H

ON ON ON OFF OFF OFF 380H

OFF ON ON OFF OFF OFF 390H

ON OFF ON OFF OFF OFF 3A0H

OFF OFF ON OFF OFF OFF 3B0H

ON ON OFF OFF OFF OFF 3C0H

OFF ON OFF OFF OFF OFF 3D0H

ON OFF OFF OFF OFF OFF 3E0H

OFF OFF OFF OFF OFF OFF 3F0H

SW1

ONON

SPEED

SW1

ONON

SPEED

JP8 JP8

5PCM-3614 User's Manual

ICOM Utility Setup for Windows 95/98/

NT Environments

This section discusses the ICOM utility software package

installation, configuration and upgrade/ removal procedure for

the Windows 95/98 and NT environments.

Utility Installation

Follow the installation procedure below to install the PCM-

3614 under Windows 95/98/NT:

1.Run Setup.exe on the driver diskette.

2.Select "Advantech ICOM Utility" to install and configure

the board, following the on-line instructions.

3.After the Advantech ICOM Utility configuration panel pops

up, please refer to the software help file for more details.

4.Following completion of the installation, restart Windows

95.

Following completion of installation, please

restart your system as prompted.

Once the board and driver have been installed and the sys-

tem restarts successfully, users can execute any ready-made

applications, such as HyperTerminal to transmit/receive data,

or Remote Access Service to provide dial-up networking ca-

pability.

Configuration:

Enter the configuration program to install the device driver, or

click the Taskbar [Start] button, then select the [Programs]

menu, then the [Advantech Icom Utility] menu and then [Icom].

When the configuration panel pops up, click the [Add Board]

button to add a board. Click the [Delete] button to remove a

board.

Board Type: PCM-3614

Base COM: specifies the COM number of the first port. Sub-

sequent ports are mapped to subsequent COM numbers. For

instance, if the first port is mapped to COM10, then the sec-

ond port is mapped to COM11 sequentially.

Base Address (200H~3F8H): Specifies the base address of

the first port. Subsequent base addresses are mapped to

subsequent COM numbers. For instance, if the first port is

mapped to 300H, then the second port is mapped to 308H

sequentially.

PCM-3614 series cards can be installed together in a single

system as long as the system memory resources are suffi-

cient and available in a system. Different boards should be

assigned different IRQs.

Click the [Share IRQ Enable] button to set the share IRQ func-

tion.

Share IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15

Vector Address: 200H ~ 3F0H

After you finish the installation, you can click [Exit] and restart

your system. Unless the system is restarted, the latest con-

figuration will not take effect.

Quick Reference

Jumper Setting

STANDARD/ENHANCED Mode

M0 of SW1 is used to set the Standard/enhanced mode of

this card.

M0: ON (Upper) position —> STANDARD mode

M0: OFF (Lower) position —> ENHANCED mode

STANDARD Mode:

In this mode, the I/O addresses and IRQ level for each port

are set to default as shown below (disable BIOS setting of

on-board COM1 ~ COM4).

ENHANCED Mode:

In this mode, the I/O addresses and IRQ level for each port

are set to default as shown below (make sure that the I/O

address on BIOS setting of on-board COM1 ~ COM4 does

not conflict with [Base Address] ~ [Base Address + 20h]).

Quick Reference

Port No. I/O Address COM Port

No.

IRQ Level (*)

Independent IRQ Shared IRQ

Port 1 3F8h COM1 JP3 JP3

Port 2 2F8h COM2 JP4 JP3

Port 3 3E8h COM3 JP6 JP3

Port 4 2E8h COM4 JP7 JP3

Port No. I/O Address COM Port

No.

IRQ Level (*)

Independent IRQ Shared IRQ

Port 1 Base Address

+ 00h COM1 JP3 JP3

Port 2 Base Address

+ 08h COM2 JP4 JP3

Port 3 Base Address

+ 10h COM3 JP6 JP3

Port 4 Base Address

+ 18h COM4 JP7 JP3

6PCM-3614 User's Manual

•IRQ Mode

DIP 8 (M1) of SW2 is used to set the IRQ mode of this

card.

M1: ON (Upper) position →Shared IRQ mode

M1: OFF (Lower) position →Independent IRQ mode

•SPEED Mode

SPEED of SW2 is used to decide the speed mode of this

card.

SPEED: ON (Upper) position →High Speed Mode

SPEED: OFF (Lower) position →Normal Speed Mode

•Operating System Mode

Connect the left two pins of JP8 to use DOS, Windows 3.1

Connect the right two pins of JP8 to use Windows 95/98/NT

Signal Wiring

Connector pin assignments

You access the PCM-3614’s ports through four external male

DB-9 connectors. RS-422/485 connector pin assignment is

as follows :

Pin description

1 TX-(DATA-) or send data - (DTE)

2 TX+(DATA+) or send data + (DTE)

3 RX+ or received data + (DTE)

4 RX- or received data - (DTE)

5 ground

6 RTS- or clear to send -

7 RTS+ or clear to send +

8 CTS+ or clear to send

9 CTS- or clear to send

RS-422/485 Configuration:

Pin description

CH1 DATA- TX- 1 2 RTS-

DATA+ TX+ 3 4 RTS+

RX+ 5 6 CTS+

RX- 7 8 CTS-

GND 9 10 NC

CH2 DATA- TX- 11 12 RTS-

DATA+ TX+ 13 14 RTS+

RX+ 15 16 CTS+

RX- 17 18 CTS-

GND 19 20 NC

CH3 DATA- TX- 21 22 RTS-

DATA+ TX+ 23 24 RTS+

RX+ 25 26 CTS+

RX- 27 28 CTS-

GND 29 30 NC

CH4 DATA- TX- 31 32 RTS-

DATA+ TX+ 33 34 RTS+

RX+ 35 36 CTS+

RX- 37 38 CTS-

GND 39 40 NC

HarHar

Hardwardwar

dwardwar

dware Installatione Installation

e Installatione Installation

e Installation

Warning! TURN OFF your PC power supply

whenever you install or remove the

PCM-3614 or connect and disconnect

cables.

Installing the module on a CPU card

1.Turn the PC’s power off. Turn the power off to any

peripheral devices such as printers and monitors.

2.Disconnect the power cord and any other cables from the

back of the computer.

3.Remove the system unit cover (see the user’s guide for

your chassis if necessary).

4.Remove the CPU card from the chassis (if necessary) to

gain access to the card’s PC/104 connector.

5.Screw the brass spacer (included with the module) into

the threaded hole on the CPU card. Do not tighten too

much, or the threads may be damaged.

6.Carefully align the pins of the PCM-3614 with the PC/104

connector. Slide the module into the connector. The

module pins may not slide all the way into the connector;

do not push too hard or the module may be damaged.

7.Secure the module to the CPU card to the threaded hole

in the CPU card using the included screw.

JP9

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