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ET-87Pn
Introduction
iP-8000-MTCP (Ethernet)
RU-87Pn (RS-485 Bus)
USB-87On (USB Bus)
ET-87Pn (Ethernet)
Selection Guide
I/O Expansion Unit
I-87K I/O Module (High Profile)
 
 
 
   
ET-87Pn series is a remote intelligent I/O expansion unit to expand I-87K series I/O modules over the Ethernet for industrial monitoring and controlling applications. The unit supports more than 30 I/O modules including analog input/output, digital input/output, counter/frequency I/O modules.

ET-87Pn is designed to operate in harsh and noisy environment, so the hardware is manufactured with wide power input range (10~30VDC),isolated power and operating temperature (-25°C ~ +75°C). It simplifies installation and maintenance of I/O modules with hot swappable and auto configuration, fault and error detection, dual watchdog, programmable power on and safe values.

Various software development kits (SDK) and demos are provided, such as DLL, ActiveX, Labview driver, Indusoft driver, Linux driver, OPC server, etc. The I-87K series I/O modules plugged in the ET-87Pn can be easily integrated into variant software system.
  
   
Taiwan patent 096134568 pending
China patent 200710181138.6 pending
USA patent 11/979,474 pending
Germany patent 102007053078.3 pending
 
 
   
 
   
● I/O Module Hot Swap  
The ET-87Pn doesn't need to shut down its power to replace or plug I-87K I/O modules. Therefore, the whole system can keep operating without any interruption.
  
   
● Auto Configuration  
Configurations of I-87K I/O modules can be pre configured and stored in the nonvolatile memory of the ET-87Pn. When the ET-87Pn is power on or an I-87K I/O module is plug in, the ET-87Pn automatically check and restore these configurations to each I-87K I/O modules on it.
  
   
● Easy Duplicate System  
Using the DCON Utility, you can easily make a backup of the I-87K module configurations and write to another ET-87Pn. This design can easily and quickly duplicate many ET-87Pn.
  
   
 
   
● Easy Maintenance and Diagnostic  
The basic configurations (includes station number, baudrate) are set by the rotary and DIP switch. The operator can use only one screwdriver to set the ET-87Pn. And there are several LED status indicators to show whether I-87K modules are configured and work properly.

The basic configurations (includes station number, baudrate) are set by the rotary and DIP switch. The operator can use only one screwdriver to set the ET-87Pn. And there are several LED status indicators to show whether I-87K modules are configured and work properly.
  
   
● Communication  
  • Daisy-Chain Ethernet network
    The ET-87Pn uses two Ethernet ports to implement daisy-chain topology. The communication distance between two Ethernet devices can be 100 m.
  • DCON protocol
    I-87K series I/O modules plugged in a ET-87Pn provide a simple command/response protocol (Called DCON protocol) for communication. All command/response are in easy used ASCII format.
  
   
● Rugged Industrial Environment  
  • Programmable Power On Value & Safe Value
    The DO and AO type I-87K I/O modules provide programmable Power On Value & Safe Value. When ET-87Pn is power on or the module is plugged in, the DO or AO modules are acted as their Power On Value. When host watchdog is acted, DO or AO modules are acted as their Safe Value.
  • Dual watchdog design
    The I-87K series I/O modules provide module watchdog and host watchdog. The module watchdog is a hardware watchdog, the host watchdog is a software watchdog. The module watchdog is designed to automatically reset the microprocessor when the module hangs. The host watchdog monitors the host controller (PC or PLC). The output of module can go to the safe value state when the host fails.
  • Wide range power input (10 ~ 30 VDC)
  • Wide range operating temperature (-25 °C ~ +75 °C)
  
   
● Fully Software Support  
The free charge software utility and development kits include.  
  • DCON Utility: for configuration
  
 
   
  • OPC Servers:
    OPC is an industrial standard interface based on OLE technology. With the OPC server, I/O modules can be easily integrated to any software that has OPC client capability.
  
   
● EZ Data Logger  
   
 
   
EZ Data Logger is a small data logger software. It can be applied to small remote I/O system. With its user-friendly interface, users can quickly and easily build a data logger software without any programming skill.
  
   
● Variant Software Develop Toolkits
DLL, ActiveX, Labview driver, Indusoft driver, DasyLab driver, Linux driver.		  
   
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