Features and Benefits 

  • Over 700 kbps data throughput for top performance
  • 921.6 kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • Compatible with 3.3/5 V PCI and PCI-X
  • Drivers provided for a broad selection of operating systems, including the latest Windows and Linux
  • Easy maintenance with on-board LED display, and management software
  • Wide temperature model available for -40 to 85°C environments

Overview

The CP-118U-I and CP-138U-I are 8-port serial boards designed for long distance, multi-point, PC-based data acquisition applications. Industrial automation system integrators will be eager to use these boards for many of their industrial automation projects.
On-chip ADDC® for precision RS-485 communication

RS-485 communication requires precise timing control to enable and disable the line driver, and the Moxa Turbo Serial Engine™ chip that powers the CP-118U-I and CP-138U-I boards come with on-chip ADDC® (automatic data direction control) to make RS-485 as easy to use as RS-232.

RS-485 multidrop for up to 31 devices within 1.2 km

The CP-118U-I’s 8 RS-232/422/485 ports and the CP-138U-I’s 8 RS-422/485 ports can achieve data rates up to 921.6 kbps, and in RS-485 mode, one serial port can connect up to 31 daisy-chained RS-485 devices within a range of 1.2 km. In addition, the 2 kV electrical isolation protection on the CP-118U-I and CP-138U-I boards helps prevent equipment damage for long distance RS-485 communication.

Top Serial Performance

With 20-plus years of experience in serial board design, Moxa is now concentrating on a new high performance serial data transmission chip. The Turbo Serial Engine™ chip provides serial boards with a 128-byte FIFO, on-chip hardware and software flow control, and burst data mode. Thanks to the Turbo Serial Engine™, Moxa is able to offer the world’s best performing smart serial boards.

Drivers Provided for Windows, Linux, and Unix

Moxa continues to support a wide variety of operating systems, and the CP-118U-I and CP-138U-I boards are no exception. Reliable Windows COM and Linux/Unix TTY drivers are provided for most Moxa boards, and other operating systems, such as WEPOS, are also supported for embedded integration.

• Hardware
Comm. ControllerMU860 (16C550C compatible)
Bus32-bit Universal PCI
ConnectorDB78 female
• Serial Interface
Number of Ports8
Serial StandardsCP-118U-I: RS-232/422/485
CP-138U-I: RS-422/485
Max. No. of Boards per PC4
• Serial Line Protection
Electrical Isolation2 kV
• Performance
Baudrate50 bps to 921.6 kbps
• Serial Communication Parameters
Data Bits5, 6, 7, 8
Stop Bits1, 1.5, 2
ParityNone, Even, Odd, Space, Mark
Flow ControlRTS/CTS, XON/XOFF
• Serial Signals
RS-232TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-4wTxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-2wData+(B), Data-(A), GND
• Physical Characteristics
Dimensions105 x 133 mm (4.13 x 5.23 in)
• Driver Support
WindowsWindows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10 (x86/x64), Windows 2008 R2/2012/2012 R2 (x64), DOS, Windows Embedded CE 5.0/6.0, Windows XP Embedded
LinuxLinux 2.4.x, 2.6.x, 3.x
Unix-like SystemsQNX 6, SCO OpenServer, UnixWare 7, Solaris 10, FreeBSD
Note: Please refer to Moxa’s website for the latest driver support information.
• Environmental Limits
Operating TemperatureStandard Models: 0 to 55°C (32 to 131°F)
Wide Temp. Models: -40 to 85°C (-40 to 185°F)
Storage Temperature-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity5 to 95% (non-condensing)
• Standards and Certifications
EMCEN 55022/24
EMICISPR 22, FCC Part 15B Class B
EMSCP-118U-I:
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
CP-138U-I:
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
IEC 61000-4-4 EFT: Power 1 kV
• MTBF (mean time between failures)
TimeCP-118U-I: 350,975 hrs
CP-138U-I: 370,390 hrs
StandardTelcordia (Bellcore) SR-332
• Power Requirements
Input CurrentCP-118U-I: 860 mA @ 5 VDC
CP-138U-I: 330 mA @ 5 VDC
• Warranty
Warranty Period5 years
DetailsSee www.moxa.com/warranty

Available Models

Model No.Description
CP-118U-I8-port RS-232/422/485 Universal PCI serial board with optical isolation, 0 to 55°C operating temperature
CP-138U-I8-port RS-422/485 Universal PCI serial board with optical isolation, 0 to 55°C operating temperature
CP-118U-I-T8-port RS-232/422/485 Universal PCI serial board with optical isolation, -40 to 85°C operating temperature
CP-138U-I-T8-port RS-422/485 Universal PCI serial board with optical isolation, -40 to 85°C operating temperature

Optional Accessories

 Connection Cables

Model No.Description
CBL-M78M9x8-1008-port male DB9 connection cable
CBL-M78M25x8-1008-port male DB25 connection cable

Dimensions

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