RS-485 Cable Wiring for Opt8J

One RS-485 connection box designed for Smartio C168H/PCI is:

Opt8J: Connection box with 8 female RS-422/485 DB25 ports. Set the port switch to ON position.

The Opt8J supports only 2-wire half-duplex RS-485 communication. Data+/- pins are served for both data transmitting and receiving, depending on the RTS signal.

RS-485 Pinouts for Opt8J:

Opt8J

3Data+(B)

7 GND

16 Data-(A)

Data- (A) 16

 

 

 

7 GND

 

 

 

 

 

 

3 Data+ (B)

 

 

 

 

 

 

Multidrop RS-485 Half-duplex

Point-to-Point RS-485 Half-duplex

 

 

 

 

 

 

 

 

 

 

 

Opt8J RS-485

 

 

 

 

Device 1

Opt8J

 

RS-485 Device

Master

 

 

 

 

Slave

3 Data+(B)

 

Data+(B)

 

3 Data+(B)

 

 

 

 

Data+(B)

16 Data–(A)

 

Data–(A)

 

 

 

 

 

16 Data–(A)

 

 

 

 

Data–(A)

7 GND

 

GND

 

 

 

 

 

7 GND

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-485 Device N

 

 

 

 

 

 

 

 

Slave

 

 

 

 

 

 

 

 

 

Data+(B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data–(A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

5-10Smartio C168H/PCI User’s Manual

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Moxa Technologies C168H user manual RS-485 Cable Wiring for Opt8J

C168H specifications

Moxa Technologies is renowned for its cutting-edge networking solutions, particularly in industrial applications. One of their standout products is the C168H, a versatile and robust industrial-grade communication device designed to facilitate seamless integration and data transmission in demanding environments.

The Moxa C168H is primarily an industrial serial device server that allows Ethernet access to serial devices. It supports up to 16 serial ports, making it ideal for applications requiring multiple connections and data handling capabilities. This flexibility is essential for industries like manufacturing, transportation, and energy, where numerous serial devices need to be monitored and controlled simultaneously.

A key feature of the C168H is its high-speed data transmission capability. The device supports RS-232/422/485 interfaces, enabling reliable communication along long distances and in electrically noisy environments. The ability to convert serial communication to Ethernet and vice versa means that legacy serial devices can be seamlessly integrated into modern network infrastructures. This feature is particularly beneficial for businesses looking to upgrade their systems without completely overhauling existing equipment.

Another significant characteristic of the C168H is its robust build quality. Designed to operate in harsh industrial settings, the device is constructed with durable materials that can withstand extreme temperatures, vibrations, and electrical interference. This makes it an ideal solution for outdoor applications or environments with strict safety and operational standards.

In terms of connectivity, the C168H supports various networking protocols, including TCP/IP, UDP, and IP multicast. This versatility ensures that the device can be easily integrated into different network architectures, whether the requirement is for local area networks or extensive enterprise systems. Furthermore, it comes with advanced management features like web-based configuration and monitoring, simplifying the setup process and ongoing maintenance.

Moxa has also prioritized security in the design of the C168H. The device includes advanced encryption protocols that safeguard data transmission against unauthorized access. This is crucial as industrial IoT solutions become increasingly interconnected, and protecting sensitive information is paramount.

Overall, the Moxa C168H device server stands out for its combination of high-performance capabilities, rugged construction, flexible connectivity options, and enhanced security features. These characteristics make it a reliable choice for businesses looking to optimize their industrial communication systems and ensure efficient operation in an increasingly connected world. Whether for legacy systems needing an Ethernet interface or new installations, the C168H proves to be an indispensable tool in industrial networking.