Product Specifications

Manufacturer	Yokogawa
Product Number	VF702
Product Type	Control Bus Interface Card
Power Supply Voltage	3.3 V ± 9%
Max Current Consumption	2.4 A
Transmission Standard	10BASE-2 compliance
Connector	BNC connector
Maximum Transmission Distance	185 m (Only with 10BASE-2 cable)

The YOKOGAWA VF702 Control Bus Interface Card is a communication interface module used in Yokogawa control systems to provide reliable data transmission over a control bus network. The card serves as a critical communication link between controllers, I/O subsystems, and other networked devices, ensuring stable and efficient exchange of control and monitoring data throughout the system.
Operating from a 3.3 VDC power supply (±9%), the VF702 features a maximum current consumption of 2.4 A, delivering dependable performance for continuous industrial operation. The module complies with the 10BASE-2 Ethernet transmission standard, enabling reliable communication over coaxial network infrastructure commonly used in industrial control environments.

Frequently asked questions：

Q1: What is the YOKOGAWA VF702 Control Bus Interface Card used for?
A1: The VF702 Control Bus Interface Card is used to provide communication and data exchange between controllers, I/O modules, and other system components within Yokogawa industrial and distributed control systems (DCS).

Q2: What is the required power supply voltage for the VF702?
A2: The VF702 operates with a power supply voltage of 3.3 VDC ±9%, ensuring stable performance within the specified voltage tolerance range.

Q3: What is the maximum current consumption of the VF702 interface card?
A3: The VF702 maximum current consumption is 2.4 A, which should be considered when designing the system power budget.

Q4: Why is the VF702 control bus interface card important in a DCS system?
A4: The VF702 control bus interface card serves as a communication bridge, enabling reliable data transmission between system components and ensuring coordinated control and monitoring functions

Product Applications

Petrochemicals and Natural Gas
Power and Energy
Water Treatment and Municipal Engineering

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