Sunix SDC4880B User manual

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PCI Express Industrial I/O Control Board
User’s Manual
Copyright
Copyright© 2019 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.
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. 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.
Trademarks
SUNIX is a registered trademark of SUNIX Group.
All other trademarks or registered marks in this manual belong to their
respective owners.
Safety Information
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.

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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.
Important! Changes or modifications not expressly approved by the
manufacturer responsible for compliance could void the user’s authority to
operate the equipment. Use an approved phone set.
CE
This equipment is in compliance with the requirements of the following
regulations: EN 55032: CLASS B and EN55035
WEEE Information
For EU (European Union) member users: According to the WEEE (Waste
electrical and electronic equipment) Directive, do not dispose of this product
as household waste or commercial waste. Waste electrical and electronic
equipment should be appropriately collected and recycled as required by
practices established for your country. For information on recycling of this
product, please contact your local authorities, your household waste disposal
service or the shop where you purchased the product.

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Table of Contents
1. INTRODUCTION..............................................................................4
1.1. Overview....................................................................................................5
1.2. Package Checklist ......................................................................................5
1.3. Product Features.........................................................................................5
1.4. Product Specifications ...............................................................................7
2. HARDWARE INSTALLATION....................................................10
2.1. Hardware Appearance..............................................................................10
2.2. Hardware Installation............................................................................... 11
2.3. Connector Installation.............................................................................. 11
2.4. Pin Assignment ........................................................................................14
3. DRIVER AND SOFTWARE INSTALLATION ..........................16
3.1. Windows Driver and software Installation ..............................................16
3.2. Windows Driver Verify Installation ........................................................20
3.3. Windows Driver Uninstallation ...............................................................21
4. SOFTWARE OPERATION ...........................................................22
4.1. Overview..................................................................................................23
4.2. Configure Digital Input interface.............................................................25
4.3. Configure Digital Output interface ..........................................................30
4.4. Configure Serial Interface (SDC4880B only)..........................................32
4.5. Firmware Upgrade ...................................................................................35
5. HOW TO USE DLL LIBRARY IN C, C++ ..................................37
6. APPENDIX .......................................................................................42
6.1. Technology Topics...................................................................................42
6.2. Customer Service Information.................................................................44

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1. Introduction
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SUNIX industrial PCI Express I/O Control Board, is designed to meet PCI
Express Base Specification Ver2.1. It can be installed in virtually any available
PC system and compatible with all major Windows and Linux operating
systems.
This board offers independent Digital I/O and RS-232/422/485 ports for
connecting kinds of serial terminals on the PC based systems. This board is
industrial standard which offers a reliable and high performance solution for
industrial applications.
The following topics covered in this chapter:
1.1 Overview
1.2 Package Checklist
1.3 Product Features
1.4 Product Specifications

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1.1.Overview
SUNIX SDC4880B, industrial RS-232/422/485 and isolated Digital I/O
PCI-Express add-on card, is designed for PC-based IoT Gateway or desktop
that enables data acquisition, I/O control and serial communication in the
industrial automation. This board built-in SUNIX UART & Digital-I/O controller,
QiuNiu, and as well built with many of SUNIX advanced features and
technologies. In addition, SUNIX provides API software and SDK library,
allowing users to program under Windows 10 operating systems. The software
package includes a dynamic library.dll, as well as C, C# programming
language sample codes, making it easier to develop application software.
SUNIX PCI Express Industrial I/O Control Board enriches I/O expandable
capacity with cost-efficient design; SDC4880B is the best serial and digital I/O
communicating solution and SDC0880I is the best digital I/O communicating
solution to enrich your system I/O expandable capacity for lite industrial
applications.
1.2.Package Checklist
Please check if the following items are present and in good condition upon
opening your package. Contact your vendor if any item is damaged or missing.
PCI Express Industrial I/O Control Board (SDC4880B or SDC0880I)
DB44 to 2-port DB9 Male & 1-port DB25 Female connection cable, 100cm
(SDC4880B only)
DB25 Male to Female connection cable, 100cm (SDC0880I only)
Serial RS-232 D-Sub 9-pin male with nuts on cable, 30cm, 2pcs
(SDC4880B only)
DB25 Male DIN-rail wiring board
User's Manual (This document)
1.3.Product Features
Designed to meet PCI Express Base Specification Revision 2.1.
With high reliable SUNIX QiuNiu UART & Digital-I/O controller.

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Plug-n-Play, I/O address and IRQ assigned by system.
Ultra low power consumption (<1.5W) design for green environment and
industrial application.
High quality electronic components, low impedance and high stability
ensure product quality and reliability.
Support Microsoft Windows 10 with C and C# programming language
sample code.
Certified by CE, FCC, RoHS, and Microsoft approvals.
Support both standard and Low profile bracket design to meet various of
PC chassis.
Serial Interfaces: (SDC4880B only)
Expands internal two (2) ports RS-232/422/485 and external two (2) ports
RS-232/422/485.
Utilize 16C950 UART and on-chip 128-bytes hardware FIFO for reliable,
high-speed serial communication.
RS-232/422/485 interface and 120Ωterminal resistor configured by
software.
On-chip hardware auto flow control to guarantee no data loss.
2KV surge protection for all serial signals meets IEC-61000-4-5.
Digital I/O Interfaces:
Expands isolated eight (8) digital input channels with features for all
channels.
- Support both NPN & PNP devices
- Support both dry and wet contact connections
- With digital filter for noise reduction
- Built-in 32-bit counter for all digital in channels
Expands isolated eight (8) NPN type digital output channels with initial
value (Booting & Restart) protection.
Each channel built-in 2.5KV isolation protection for signal and power,
allowing the input signals to be completely floated so as to prevent ground
loops.

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1.4.Product Specifications
Board Level
Serial Ports (SDC4880B only)
Interface PCI Express
Controller SUNIX QiuNiu
BUS PCI Express Gen1 x 1 (single Lane)
IRQ & IO Assigned by System
ESD Protection ±15KV IEC61000-4-2 Air Gap Discharge
±8KV IEC61000-4-2 Contact Discharge
Interface RS-232/422/485 No. of Port 4 ports
Controller 16C950 UART Compatible Data bit 5, 6, 7, 8
FIFO 128byte Hardware Parity even, odd, none, mark, space
Baud rate 50bps ~921.6Kbps Flow
Control
RS-232:CTS/RTS(H/W),
DTR/DSR(HW), Xon/Xoff(S/W)
RS-422/485: Xon/Xoff(S/W)
Terminator 120ΩIRQ & IO Assigned by System
Surge Protection 2KV Surge IEC61000-4-5
Signal
RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI
RS-422: TxD+, TxD-, RxD+, RxD-, GND
RS-485: Data+, Data-, GND
PCB Connector 2 ports on DB44 Female connector ; 2 ports on pitch 1.0 pin header connectors

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Digital Input
Digital Output
Software Support
Declaration
Regulatory
Type NPN & PNP Channel 8-channel
Dry Contact Logic Level 0: Open;
Logic Level 1: Close to GND
Wet
Contact
Logic Level 0: 0 to 3VDC;
Logic Level 1: 10 to 50VDC
Input Resistance 10KΩIsolation 2500 VDC
Counter 32-bit counter on all channel Frequency Input Range 2KHz max.
Digital Filter Digital filter for noise
reduction Pin Define DI1~DI8, COM, GND
Interrupt Mode Event trigger (Rising Edge, Falling Edge, Both modes) & polling for all channels
PCB Connector DB44 Female connector for SDC4880B
DB25 Female connector for SDC0880I
Type NPN Channel 8-channel
Voltage Range 3.5 to 40VDC Current 500mA per Channel
Isolation 2500 VDC Pin Define DO1~DO8, PWR, GND
Initial Protection Initial Value Setup (Booting & Restart protection)
PCB Connector
DB44 Female connector for SDC4880B
DB25 Female connector for SDC0880I
Microsoft Windows 10 (X86/X64)
SDK Library: DLL for Windows supporting C, C++, C# languages.
C, C# sample code available
Green Product RoHS, WEEE
Hardware CE / FCC / VCCI / BSMI

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Environment
Dimension
Operation Temperature -20 to 70°C (-4 to 158°F)
Operation Humidity 5 to 95% (non-condensing)
Storage Temperature -20 to 70°C (-4 to 158°F)
SDC4880B 146 x 68.5 mm
Bracket Standard 121 mm / Low Profile 79.2mm
Bracket Space 1
SDC0880I 84.44 x 68.5 mm
Bracket Standard 121 mm / Low Profile 79.2mm
Bracket Space 1

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2. Hardware Installation
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This chapter includes information about hardware installation of SUNIX PCI
Express Industrial I/O Control Board, connectors and cables, pin assignment
of hardware interfaces, and digital input/out settings.
The following topics covered in this chapter:
2.1 Hardware Appearance
2.2 Hardware Installation
2.3 Connector Installation
2.4 Pin Assignments
2.1.Hardware Appearance
PCI Express Industrial I/O Control Board appearance shown as below.
SDC4880B
SDC0880I

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2.2.Hardware Installation
The hardware installation of PCI Express Industrial I/O Control Board is easy
to carry out. Before inserting the card into the PCI Express bus, please follow
the detailed steps given below to install the board in your computer.
Step1. Turn your PC’s power off, and shut off the power to any peripheral.
Step2. Remove the power plug from the plug socket.
Step3. Remove the cover from the computer case.
Step4. If fitted. Remove the metal cover plate on the rear of a free PCI-E slot.
Step5. Insert PCI Express Industrial I/O Control Board into the free PCI
Express slot and screw it firmly on the bracket side.
Step6. Place the cover back onto the computer.
Step7. Insert the plug into the plug socket.
2.3.Connector Installation
This product also contains connection cables and DIN-rail wiring board:
1. DB44 to 2-port DB9 Male & 1-port DB25 Female connection cable, 40cm
(SDC4880B only)
Safety First
To avoid damaging your system and boards, make sure your
PC’s power is turned off before installing PCI Express card.

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2. DB25 Male to Female connection cable, 100cm
(SDC0880I only)
3. DB25 Male DIN-rail wiring board
4. Serial RS-232 D-Sub 9-pin male with nuts on cable, 30cm 2 pcs
(SDC4880B only)

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The chapter demonstrates the assembly of boards, cables and connectors.
Step1. Plug DB44 (SDC4880B only) or DB25 (SDC0880I only) connection
cable to PCI Express Industrial I/O Control Board. Two DB9 male
connectors on DB44 connection cable are used for RS-232/422/485 serial
port interface.
Step2. Fix the DB25 male DIN-rail wiring board on DIN rail mount.
Step3. Please refer to 2.4 Pin Assignment table of RS-232/422/485 to
determinate your serial port interface type. (SDC4880B only)
Step4. Please refer to 2.4 Pin Assignment table of Digital in/out terminal
block for connecting to your digital control devices.
Step5. If you want to use the two internal serial RS-232/422/485 ports,
please plug the Serial RS-232 D-Sub 9-pin male with nuts cable to the
pitch 1.0 pin header connectors. (SDC4880B only)

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2.4.Pin Assignment
This chapter provides the pin assignment of PCI Express Industrial I/O Control
Board, as well as the pin assignment for the optional accessories.
RS-232/422/485 Pin Assignment (SDC4880B only)
DB9M
RS-232
RS-422
RS-485
1
DCD
Tx -
Data -
2
RxD
Tx +
Data +
3
TxD
Rx +
4
DTR
Rx -
5
GND
GND
GND
6
DSR
7
RTS
8
CTS
9
RI

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Digital in/out terminal block Pin Assignment
Note: DI=Digital in ; DO=Digital out ; NC=No connection
PIN
Digital Input
PIN
Digital Output
1
DI COM
14
DO PWR
2
DI COM
15
DO PWR
3
DI GND
16
DO GND
4
DI GND
17
DO GND
5
DI 1
18
DO 1
6
DI 2
19
DO 2
7
DI 3
20
DO 3
8
DI 4
21
DO 4
9
DI 5
22
DO 5
10
DI 6
23
DO 6
11
DI 7
24
DO 7
12
DI 8
25
DO 8
13
NC
GND
NC

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3. Driver and Software Installation
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After installing the PCI Express Industrial I/O Control Board in your system
successfully, please follow the step by step software installation guide to
confirm how to install appropriate driver and configure the Digital I/O and serial
port settings.
The driver and software for PCI Express Industrial I/O Control Board supports
Windows 10 operating systems, and you can select your requirement in the
following chapter:
The following topics covered in this chapter:
3.1 Windows Driver and software Installation
3.2 Windows Driver Verify Installation
3.3 Windows Driver Uninstallation
3.1. Windows Driver and software Installation
Please refer to following instructions to install the driver and software for the
first time under Windows 10 operation system. Please plug the board in an
available PCI Express slot first, before installing the driver.
(1) Unzip the software file and Run setup.exe.

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(2) Please select setup language for your operation system.
(3) Click “Next” to continue installation steps.

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(4) Click “Install” to continue installation steps.
(5) System will install driver and software automatically.

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(6) Click “Finish” to end installation steps.
Note: PCI Express Industrial I/O Control Board is certificated by Windows 10
operation system. Please visit SUNIX official website (http://www.sunix.com) to
download latest driver.

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3.2. Windows Driver Verify Installation
You can use Windows “Device Manager” to verify proper installation.
(1) Select Device Manager in the in the Windows Control Panel.
Controller Panel > All Control Panel Items > Device Manager
(2) In the Device Manager window, you would read SUNIX PCI Express
Industrial I/O Control Board under Multifunction adapters catalog, and
SUNIX COM Port (COM3 ~ COM6)under Ports (COM & LPT) catalog.
Above screenshot is the example of SUNIX SDC4880B PCI Express
Industrial I/O Control Board shown on device manager of Windows OS but
these COM number may be different according to system assignment.