iConnect Distributed I/O


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The iConnect I/O system provides synchronized data acquisition in a distributed test environment at high data sampling rates. Through its state-of-the-art design and open system architecture iConnect delivers high accuracy and stability, along with the ability to adapt to specific testing needs.

Today's test cell environment requires the highest level of efficiency and flexibility. The iConnect I/O system addresses these needs with its ability to be scaled to precise test requirements. The system can be easily expanded or scaled down, making unused I/O modules available for other test cells. This creates a laboratory environment where each test cell is equipped with an optimal set of I/O. Modules addressing specific needs can be added as needed.

The distributed I/O modules can be placed close to the sensors, substantially reducing the electrical noise and the required amount of wiring. Less wiring is necessary because only the cables providing power and communication lines to the I/O modules need to be routed. The electrical noise is minimized because the analog signal is converted into a digital measurement channel as close as possible to the sensor.

The iConnect system architecture consists of 2 major components:

  1. The iConnect e.gate data concentrator
  2. The iConnect e.bloxx and Q.bloxx I/O modules

iConnect e.gate

iConnect e.gate data concentrator is the link between the I/O modules and the iTest automation system. While capturing all channels from the iConnect I/O modules the data concentrator synchronizes all data and applies time stamps to ensure proper alignment.

Each iConnect e.gate can connect up to 4 buses containing various numbers of iConnect I/O modules. Here's what a Typical Configuration may look like. For more complex I/O systems, multiple iConnect e.Gate systems can be connected to the iTest test cell automation system. Here's what an Advanced Configuration may look like.

Host Interface
Protocol TCP/IP
Baud rate 10/100 Mbps
Number of simultaneous clients Max of 10
Isolation voltage 500 V

Slave Interface RS485 (4 per e.gate)
Standard RS 485, 2-wire
Data format 8E1
Protocols Gantner Local-Bus
Baud rate 9.6 kbps up to 6 Mbps
Connectable devices max. 32 at one line
Isolation voltage 500 V

Environmental
Operating temperature -20 ℃ to +60 ℃
Storage temperature -40 ℃ to +85 ℃
Relative humidity 5 % to 95% at 50 ℃ not condensing

Benefits

  • The iConnect system can be easily expanded or scaled down to reflect the actual testing needs
  • iConnect modules can be located close to the sensors, reducing both the amount of required wiring and the electrical noise

Available iConnect I/O Modules

iConnect I/O modules are designed for test applications requiring accurate and repeatable measurement at high speeds. A&D Technology offers a variety of modules that easily connect to the sensors and field devices used in today's test beds.

  • Analog inputs (voltage/current)
  • Thermocouple inputs
  • RTD Inputs
  • Analog outputs
  • Digital inputs
  • Digital outputs
  • Frequency inputs

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