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PCM-3618 User Manual

10

Speed Selection

The PCM-3618 employs a unique speed option that allows the user to choose either
normal speed mode (1x) or high speed mode (8x). Speed mode is selectable at
SPEED ofSW2.

Normal Speed

To select the baud rate commonly associated with COM ports, such as 2400, 4800,
9600? 115.2Kbps, place the switch as follows.

High Speed

To increase up to eight times of the transmission rate in nor-mal mode, (e.g. if
115.2Kbps is selected, the rate can be in-creased up to 921.6 Kbps), place the switch
as follows.

Summary of Contents for PCM-3618

Page 1: ...User Manual PCM 3618 8 port RS 422 485 High Speed Module...

Page 2: ...on Advantech assumes no liability under the terms of this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous testing most of our customers neve...

Page 3: ...uctions may cause harmful inter ference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interfe...

Page 4: ...Position the power cord so that people cannot step on it Do not place anything over the power cord 10 All cautions and warnings on the equipment should be noted 11 If the equipment is not used for a...

Page 5: ...MANUFACTURER S INSTRUCTIONS 23 The sound pressure level at the operator s position according to IEC 704 1 1982 is no more than 70 dB A Safety Precaution Static Electricity DISCLAIMER This set of instr...

Page 6: ...PCM 3618 User Manual vi...

Page 7: ...iguration 4 Chapter 2 Jumper and Switch Settings 5 2 1 Jumper and Switch Settings 6 Table 2 1 Interrupt Status Register SW1 8 Chapter 3 Software Drivers 11 3 1 Operating Environment Selection 12 3 1 1...

Page 8: ...PCM 3618 User Manual viii...

Page 9: ...Chapter 1 1 Overview...

Page 10: ...red IRQ mode setting and Speed mode setting In Shared IRQ set ting all of the eight ports of interrupt can be specified to one This solves problems of IRQ insufficiency within the embed ded system In...

Page 11: ...ard 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 car...

Page 12: ...settings how ever see the following sections Otherwise you can simply install the card Table 1 1 PCM 3618 Default Configuration Setting Default Configuration JP3 IRQ 5 Speed mode 1x IRQ mode Share Ba...

Page 13: ...Chapter 2 2 Jumper and Switch Settings...

Page 14: ...de you can select a different base address The base address deter mines the address for each port You use switches 1 7 of DIP switch SW2 to set the base address anywhere from hex 200 to 3F8 To set the...

Page 15: ...programming easier When a data bit of the interrupt status register is set to 0 the corresponding channel is selected to generate an interrupt If the bit is 1 then no interrupt is generated DIP switc...

Page 16: ...7 7 Port8 A4 A5 A6 A7 A8 A9 Interrupt Register 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 O...

Page 17: ...70H 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...

Page 18: ...8x Speed mode is selectable at SPEED ofSW2 Normal Speed To select the baud rate commonly associated with COM ports such as 2400 4800 9600 115 2Kbps place the switch as follows High Speed To increase...

Page 19: ...Chapter 3 3 Software Drivers...

Page 20: ...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 pr...

Page 21: ...ess Service to provide dial up networking capability 3 3 Configuration Enter the configuration program to install the device driver or click the Taskbar Start button then select the Programs menu then...

Page 22: ...ddress 20h 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 le...

Page 23: ...s through four external maleDB 9 connectors RS 422 485 connector pin assignment is as follows Pin description 1 TX DATA or received data DTE 2 TX DATA or received data DTE 3 RX or received data DTE 4...

Page 24: ...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...

Page 25: ...Chapter 4 4 Hardware Installation...

Page 26: ...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...

Page 27: ...19 PCM 3618 User Manual Chapter 4 Hardware Installation...

Page 28: ...tions are subject to change without notice No part of this publication may be reproduced in any form or by any means electronic photocopying recording or otherwise without prior written permis sion of...

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