layer may respond with a “Disconnect” event to the VxComm Driver if it fails to send the message after 20 seconds or more. Users can set a smaller Connection-Broken time (for example: 10000 ms) to force the VxComm Driver to re-connect again and get a quicker response.

If the connection has no sending/receiving signal before the Connection-Broken time has timed out, the connection will be marked as broken. The VxComm Driver will also re-connect it again. Thus, the Keep-Alive Time should be smaller than the Connection-Broken time to make the connection come on-line.

The default System Timeout (/STxxx) value of the i-7540D is about 300 seconds. After client programs have connected to the μPAC-7186E, clients have to send command to keep the i-7540D alive before it times out, otherwise the μPAC-7186E will reset itself and clients will have to reconnect to the i-7540D again.

Users can set the Keep-Alive Time and Connection-Brokentime to 0 to disable this mechanism. The System Timeout will have to be set to 0 to disable the reset mechanism.

zConnect Timeout (ms) field:

The timeout value will be passed into MS TCP/IP driver for reference when connecting and disconnecting.

zCommand TCP Port field:

By default setting, the i-7540D use TCP port 10000 as the Command / Configuration port. If you change the setting of i-7540D, you must assign the correct one in the field. So the VxComm Driver can connect to the right TCP port.

This TCP port is used to configure the Baud rate, data format, CTS/RTS control mode and Break, etc.

zPort7000 Port field:

By default setting, the i-7540D use TCP port 9999 as the Port7000 port. This TCP port is reserved.

i-7540D CAN-Ethernet Gateway User’s Manual (Version 1.4, April/2008)

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ICP DAS USA I-7540D user manual Connect Timeout ms field, Command TCP Port field, Port7000 Port field

I-7540D specifications

The ICP DAS USA I-7540D is an advanced industrial field gateway designed to provide seamless communication between remote I/O devices and various industrial protocols. This device plays a crucial role in modern automation systems, enabling data acquisition and control over diverse industrial environments.

One of the key features of the I-7540D is its support for multiple communication protocols, including Modbus TCP/IP and MQTT. This versatility allows users to integrate the device into various industrial networks easily, facilitating connectivity with PLCs, SCADA systems, and various IoT applications. As a result, the I-7540D significantly enhances interoperability among devices, regardless of the manufacturer or communication protocol.

The I-7540D also boasts robust hardware specifications that ensure reliable performance in demanding industrial environments. With a wide operating temperature range from -25°C to 75°C, this gateway is equipped to withstand extreme temperatures, making it suitable for outdoor and harsh indoor applications. Additionally, it features a durable design that meets various industrial standards, ensuring long-term operation without frequent maintenance.

In terms of user accessibility, the I-7540D includes comprehensive web-based configuration and monitoring tools. This user-friendly interface simplifies the setup process, enabling users to manage their devices remotely without needing specialized software. Enhanced security features, including HTTPS and user authentication, protect data integrity and ensure that only authorized personnel can access the system.

The integration of wireless communication capabilities in the I-7540D sets it apart from traditional wired gateways. This feature opens up new possibilities for industrial applications, such as connecting devices in hard-to-reach locations or areas where cabling is impractical. The device supports various wireless standards, including Wi-Fi and cellular networks, allowing for flexible installation and minimal infrastructure costs.

In summary, the ICP DAS USA I-7540D is a feature-rich industrial field gateway that excels in facilitating communication across diverse devices and protocols. With its flexibility, robust design, and user-friendly interface, it serves as an essential tool for industries aiming to harness the power of automation and IoT technologies. By incorporating the I-7540D into their systems, organizations can significantly enhance operational efficiency, improve data collection, and streamline processes, paving the way for a more connected and intelligent industrial environment.