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__________________________________________________________________________________
Copyright© 2022 SUNIX Co., Ltd. All Rights Reserved.
No part of this publication may be reproduced, transcribed, stored in a retrieval system,
translated into any language, or transmitted in any from or by any means, photocopying,
manual, or otherwise, without prior written permission from SUNIX.
SUNIX shall not be liable for any incidental or consequential damages resulting from the
performance or use of this equipment.
SUNIX makes no representations or warranties regarding the contents of this manual.
Information in this manual has been carefully checked for reliability; however, no guarantee
is given as to the correctness of this content. In the interest of continued product
improvement, this company reserves the right to revise the manual or include change in the
specifications of the product described within it at any time without notice and without
obligation to notify any person of such revision or changes. The information contained in this
manual is provided for general use by the customers.
SUNIX is a registered trademark of SUNIX Group.
All other trademarks or registered marks in this manual belong to their respective owners.
1.
Keep this User's Manual for future reference.
2.
Always read the safety information carefully.
3.
Keep this equipment away from direct sunlight, or in humid or damp places.
4.
Do not place this equipment in an unstable position, or on vibrating surface before setting
it up.
5.
Do not use or place this equipment near magnetic fields, televisions, or radios to avoid
electronic interface that affects device performance.
RS-422/485 Communication Board
User Manual
Safety Information
Copyright
Disclaimer
Trademarks
1
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Summary of Contents for Sunix IPC-C2202S
- Page 1 SUNIX. Disclaimer SUNIX shall not be liable for any incidental or consequential damages resulting from the performance or use of this equipment. SUNIX makes no representations or warranties regarding the contents of this manual.
- Page 2 __________________________________________________________________________________ Regulatory Compliance FCC Conditions This equipment has been tested and found to comply with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This equipment may not cause harmful interference (2) This equipment must accept any interference received, including interference that may cause undesired operation.
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Page 3: Table Of Contents
__________________________________________________________________________________ Table of Contents 1. HARDWARE INSTALLATION ................ 4 PCI Express Serial Card ....................... 4 M.2 PCIe Serial Card ......................5 Mini PCIe Serial Card ......................6 2. PIN ASSIGNMENT ..................7 3. JUMPER SETTINGS ..................9 4. DRIVER INSTALLATION ................13 5. -
Page 4: Hardware Installation
__________________________________________________________________________________ Hardware Installation 1-1 PCI Express Serial Card The hardware installation of PCI Express Industrial I/O Control Board is easy to carry out. Before inserting the card into the PCIe bus, please follow the detailed steps given below to install the board in your computer. Step 1: Turn your PC’s power off, and shut off the power to any peripheral. -
Page 5: Pcie Serial Card
Step 1: Remove the screw attached to the motherboard. Step 2: Insert M.2 Card tightly into the M.2 slot with 20° angle. (SUNIX M.2 Card supports Key-M and Key-B slot) Step 3: Push the M.2 card down to the screw hole. -
Page 6: Mini Pcie Serial Card
__________________________________________________________________________________ 1-3 Mini PCIe Serial Card The hardware installation of Mini PCI Express Industrial I/O Control Board is easy to carry out. Before inserting the card into Mini PCI-E slot, please follow the detailed steps given below to install the boards in your computer. Step 1: Remove the screw attached to the motherboard. -
Page 7: Pin Assignment
__________________________________________________________________________________ 2. Pin Assignment SUNIX 4 ports DB44 Female Pin Assignment SUNIX 8 ports DB44 Female Pin Assignment... - Page 8 __________________________________________________________________________________ SUNIX 16 ports DB78 Female Pin Assignment...
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Page 9: Jumper Settings
__________________________________________________________________________________ 3. Jumper Settings For RS-422/485 serial communications, when an electrical signal travels through two different resistance junctions in a transmission line, the impedance mismatch will sometimes cause signal reflection. Signal reflection causes signal distortion, which in turn will contribute communication errors. The solution to this problem is to establish the same impedance at the end of the lines by terminating them with resistors. - Page 10 RS-422 or 4-Wire RS-485 working model with termination resistor: 2-Wire RS-485 working model with termination resistor: SUNIX M.2 PCI Express RS-422/485 Serial board equips independent TX and RX termination resistors for each serial COM port. User can modify the dip switch setting to avoid impedance mismatched problem when operate under Multi-drop transmission.
- Page 11 __________________________________________________________________________________ 4-port RS-422/485 model termination resistor setting table: Mode Function DIP Switch Settings Manufacturer default (Disable termination resistor) COM1 enables 120 ohms termination resistor COM2 enables 120 ohms termination resistor COM3 enables 120 ohms termination resistor COM4 enables 120 ohms termination resistor COM1&2&3&4 enable 120 ohms termination resistor 2-port RS-422/485 model termination resistor setting table:...
- Page 12 __________________________________________________________________________________ Note：IPC-C2204S port number mapping COM 1 COM 4 COM 2 COM 3 IPC-C2204S...
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Page 13: Driver Installation
__________________________________________________________________________________ 4. Driver Installation (1) You can download the latest driver from SUNIX official website (http://www.sunix.com) (2) Please execute Setup.exe to install driver. Driver InstallShield Wizard will show up and please wait for driver install procedure running. Please plug the board in an available I/O slot first, before installing the driver. -
Page 14: Hardware Verification
(1) Select Device Manager in the in the Windows Control Panel. Controller Panel > All Control Panel Items > Device Manager Device Manager (2) In the Device Manager window, you would read SUNIX PCI Express Industrial I/O Control Board under Multifunction adapters catalog... -
Page 15: Port Configuration
After the board and serial port drivers are installed, please refer to following instructions to configure Serial COM settings. (1) Please launch the “Device Manager”. (2) Right click the “SUNIX Serial Card” item from the “Multifunction adapters” sub-tree and click “Properties”. (3) On the “Port Control” tab, select a port to configure. -
Page 16: Com Port Number Settings
(3F8, 3E8, 2F8, 2E8) for the specific COM port. But for IRQ setting, user can set specific IRQ value for this PCI Express bus slot via mainboard’s BIOS settings (not via SUNIX driver). But all COM ports will share one IRQ value. -
Page 17: Fifo Settings
__________________________________________________________________________________ 6-4 FIFO Settings Select an Rx FIFO Trigger and Tx FIFO Size. The default Rx FIFO Trigger is 112 bytes. The default Tx FIFO Size is 128 bytes. Click “Set to All” to change this setting for all serial ports on the board. Then click “OK” to save the settings. -
Page 18: Advanced Settings For Rs-422/485 Communication
__________________________________________________________________________________ 6-5 Advanced Settings for RS-422/485 Communication User can control RS-422/485 communication in Advanced Port Control page through “Advanced” settings. - Page 19 This parameter must match with the oscillator (crystal) frequency on the board. System default is 14745600 Hz. We do NOT recommend for modification without SUNIX instruction. User can click “Defaults” button back to manufactory settings.
- Page 20 __________________________________________________________________________________ RS-485 ACS™ Technology (Default: Enable) Auto Carrier Sense (ACS™) technology is the data flow control under RS-485 half duplex (one-way traffic) communicating. It manages data flow between computers or devices or between nodes in a RS-485 network, so that the data can be handled at an efficient pace Auto Auto Carrier Sense (ACS™) technology will check the status of RS-485 communication bus.
- Page 21 Since RS-485 is bidirectional which means the driver is turned on only when it needs to transmit some data, otherwise it is in floating mode. SUNIX developed a new design to control the direction of driver (On or Off) automatically which is called Auto Hardware Direction Control/Carrier Sense.
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Page 22: Troubleshooting
__________________________________________________________________________________ 7. Troubleshooting Q 1. System fails to find the Industrial I/O Control Board. Ans: It may cause by following issue: a. The board is not properly plugged into the PCIe (M.2 / Mini PCIe) slot. b. Please clean the golden finger. c.
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