SIIG ID-SC0911-S1 User manual

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Industrial USB to 422/
485 Serial Adapter
Quick Installation Guide
04-0826A
Introduction
The Industrial USB to 422/485 Serial Adapter
provides additional RS-422/485 ports with 3KV
isolation to your PC or Mac systems.
Key Features and Benefits
• Supports serial port data transfer rates up
to 230Kb/s
• Built in 15KVDC ESD serial interface
protection
• USB bus power
• 3KV optical isolation
• Auto data direction flow control
• Wall mount ready
System Requirements
• Desktop or notebook computer with an
available USB 2.0 port

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• Windows®8 (32-/64-bit) / Windows 7 (32-
/64-bit) / Vista (32-/64-bit) / XP (32-/64-
bit) / Server 2003 & 2008 (32-/64-bit) /
Server 2008 R2
Package Contents
•Industrial USB to 422/485 Serial Adapter
• USB cable (type A/B)
• Power adapter (for ID-SC0A11-S1 only)
• 5-pin terminal block (2pcs for ID-SC0911-
S1; 4 pcs for ID-SC0A11-S1)
• 3-pin terminal block (for ID-SC0A11-S1
only)
• Software CD
• Quick installation guide
Layout
Figure 1: ID-SC0911-S1 Layout
Power LED Status LED

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Figure 2: ID-SC0A11-S1 Layout
Tx Status LED
Rx Status LED
Active LED
Pin Assignment
Figure 3: Pin Assignment

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USBtoRS-422 RS-422 device
Pin 1: TxD-
TxD-
Pin 2: TxD+
TxD+
RxD+
Pin 4: RxD+
RxD-
Pin 3: RxD-
USBtoRS-422 RS-422 device
RS-422 device
RS-422 device
Figure 4: point-to-point / 4-wire full-duplex communication
RS-422 Wire Diagram
Figure 5: point-to-multi point / 4-wire full-duplex
communication

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RS-485 Wire Diagram
Pin 1: TxD-
Pin 2: TxD+
Pin 4: RxD+
Pin 3: RxD-
Figure 6: point-to-point / 2-wire half-duplex communication
Figure 7: point-to-multi point / 2-wire half-duplex
communication
USBtoRS-485 RS-485 device
USBtoRS-485 RS-485 device
RS-485 device
RS-485 device
RxD+
RxD-

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Windows Installation
Follow the instructions below to install the
Industrial USB to 422/485 Serial Adapter drivers.
Windows 8 (32-/64-bit) / Windows 7 (32-/
64-bit) / Server 2008 R2
1. Insert the driver CD.
2. At the AutoPlay box, click Open folder to
view files, then double click Setup file.
If the driver window doesn't prompt up,
press Windows key and R to call out the
Run window, type D:\Setup.exe, and click
OK.(Change D: to match your CD/DVD-
ROM drive letter)
3. At the User Account Control, click Yes.
For 2008 R2, skip this step.
4. Repeat step 2 & 3.
5. Plug the adapter into the computer, click
Cancel at the Found New Hardware (if
prompted). The driver will be installed
automatically.

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Windows Vista (32-/64-bit)
1. Insert the driver CD, at the prompted driver
window, double click Setup file.
2. At the User Account Control, click Allow.
3. Double click Setup file, then click Allow
again.
4. Plug the adapter into the computer, click
Cancel at the Found New Hardware (if
prompted). The driver will be installed
automatically.
Windows XP (32-bit/64-bit) / Server 2003 &
2008 (32-bit/64-bit)
1. Insert the driver CD.
2. Click Start,Run, type D:\Setup.exe, click
OK.(Change D: to match your CD/DVD-
ROM drive letter)
3. Repeat step 2 two times.
For Server 2008, click Install this software
anyway if prompted.
4. Plug the adapter into the computer, the
adapter is ready for use.

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To Verify Windows Installation
1. Go to Device Manager to verify installation.
For Windows 8 / Windows 7 / Windows XP /
Server 2003 & 2008 R2: Right click Computer
or My Computer, click Manage, then click
Device Manager.
For Windows Vista: Right click Computer,
click Manage, click Continue, then click
Device Manager.
For Server 2008: Right click Computer, click
Manage, then double click Diagnostics,
and click Device Manager.
2. Double click Ports(COM & LPT),USB
Serial Port should be displayed.

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RS-422/485 Mode Setting
Follow the instructions below to set up the output
mode for each port.
1. Open the driver CD, then select folder USB
Serial Converter Set.
2. Double click USB Serial Converter Set file.
Then the following window will prompt
up. Click Scan.
Figure 8

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3. Select the desired mode for each port (RS-
422 or RS-485 ; 4 wire or 2 wire), and click
SET to save the settings.
Note: The following image is the screen shot
of ID-SC0A11-S1. For ID-SC0911-S1, there
are only two ports for setting.
Figure 9
4. At the Set Successfully window, click OK.