
USB-87P1/2/4/8 Quick Start 1.02
ICP DAS, Co., LTD www.icpdas.com
Package Checklist
Hardware module:
USB-87Pn I/O Unit
P1: 1 Slot P2: 2 Slots
P4: 4 Slots P8: 8 Slots
Quick Start Manual (this manual)
Software utility, USB-87Pn User
Manual
2.4 mm Screw driver (minus
style)
NOTE: USB-87Pn is only for High Profile I-87K I/O modules,
please DO NOT use Low Profile I/O modules. For more
information, please refer to Chapter 2.2.5 & Appendix B of
“USB-87P1/2/4/8 User Manual”.
Preparation
Power Supply: +10V ~ +30V /DC (Ex: DP-665)
http://www.icpdas.com/products/Accessories/power_supply/power_list.htm
Install USB-87Pn DriverInstaller to PC:
at CD:\NAPDOS\87pn_io_unit\USB-87Pn
or ftp://ftp.icpdas.com/pub/cd/8000cd/napdos/87pn_io_unit/USB-87Pn/
Install DCON Utility to PC:
(Version 4.5.2 or above version. Please remove the old version
before install the new version) at CD:\ Napdos\Driver\DCON_Utility
or ftp://ftp.icpdas.com/pub/cd/8000cd/napdos/driver/dcon_utility/
Original Writer : Eva Li
Last Editor : Hans , 05/27/2015

Hardware Configuration
1. View of the USB-87Pn
High Profile I-87K I/O Slots
Auto Configuration Indicator
Auto Configuring
Dip Switch
Enable/Disable
Auto Configuring
Dip Switch
Enable/Disable
Auto Configuration
Indicator
USB-87P8 is
like USB-87P4,
but with 8 slots.
USB-87P1 is
like USB-87P2,
but with 1 slot.

2. Wire the 87Pn to Power and PC
3. Configure CPU Module
USB Connector Cable
(CA-USB18)

4. Plug in the High Profile I/O Modules
Example: Plug in I-87019R to Slot 0.
p.s. I-87019R is an AI (Analog Input) High Profile module
I-87019R is auto-configured:
Baud Rate: 115200
Checksum: Disable
Net Address: 2
Note: The Net Address of
USB-87PN is always 1.
After plugged in, the slot indicator is
flashing per 100 ms.
When software configuration is
completed, the LED becomes off.
If configuration is failed, the LED is
always on.
Net Address: 1 2 3 4 5

Software Configuration
1. Run DCON Utility to Search the USB-87Pn (Ex: USB-87P8)
Note: Please finish the “Preparation” (See P.1) before Software
Configuration.
The old version of USB-87Pn with old USB chip, it needs to install old
USB driver, and Device Manager will show as below:
Check “Device
Manager” of your
PC to see the
connecting COM.

2. Click “USB-87Pn” to Setup Slots
3. Configure the 87K I/O Module
If the status code is not [01H],
click button and follow
the instruction please.

4. Click “Write To 87Pn” Button
5. Click “Start Search” Button
Note:
For changing the configuration of 87K I/O module, please repeat from
the STEP 2 of the Software Configuration.
“[0,0,0,0...]” of “Status” means “The I/O configuration of each slot is correct”. Each
plugged I/O module will be listed under the USB-87Pn. User can click the name of
I/O module to watch its configuration.
After “Write To 87Pn”, the Status Code
is changed to “[00H] OK” that means
“The configuration is correct”.

Change the Hardware I/O Module
Doesn’t need to configure I/O module again!
Easy! Convenient!
Technical Support
1. USB-87P1/2/4/8 User Manual
CD:\NAPDOS\87Pn_io_unit\USB-87Pn or
ftp://ftp.icpdas.com/pub/cd/8000cd/napdos/87pn_io_unit/usb-87pn/
2. DCON Utility User Manual
CD:\ Napdos\Driver\DCON_Utility\Manual or
ftp://ftp.icpdas.com/pub/cd/8000cd/napdos/driver/dcon_utility/manual/
3. I-87K high profile series I/O modules selection guide
http://www.icpdas.com/products/PAC/i-8000/8000_IO_modules.htm
4. Our service email account : service@icpdas.com
5. Our website : www.icpdas.com
Remove the
damaged
module.
Plug in a new one with
the same model number.