Yokogawa SEA4D-01 Terminal Board

The SEA4D-01 is a highly reliable terminal board from Yokogawa, designed specifically for the ProSafe-RS Safety Instrumented System (SIS). This board ensures a secure interface between field wiring and I/O modules, effectively supporting both analog input and output signals. Its robust, rack-mountable design with superior insulation provides safe operation in challenging industrial environments. The SEA4D-01 complies with SIL3 standards, ensuring reliability for critical process safety applications.

Key Technical Specifications

The following technical specifications define the features and capabilities of the SEA4D-01 Terminal Board:

Parameter	Value
Model	SEA4D-01
Type	Terminal Board
Compatible System	Yokogawa ProSafe-RS SIS
Number of Channels	16 analog channels x 2 (32 points total)
Connection Type	M4 screw terminals
Mounting Style	19-inch rack mountable
Insulation Resistance	> 100 MΩ
Withstanding Voltage	500 V AC for 1 minute
Cable Interface	KS1 cable for I/O modules (e.g., SAl143)
Dimensions (W x H x D)	124 mm x 120 mm x 25 mm
Weight	3.31 lbs (1.5 kg)
Safety Integrity Level	SIL3 compliant

Features and Benefits

The SEA4D-01 Terminal Board provides several advantages for safety and process control systems:

Reliable Connectivity: This terminal board features 16 analog channels (32 points total), facilitating secure and efficient data transmission between field wiring and I/O modules.
SIL3 Compliance: With Safety Integrity Level (SIL3) compliance, the SEA4D-01 ensures the highest level of safety for critical process operations, meeting stringent industrial safety standards.
Robust and Secure Design: Its M4 screw terminals offer reliable connections, while its rugged insulation ensures safe operation even in demanding environments.
Compact and Easy Integration: The board’s compact design (124 mm x 120 mm x 25 mm) and 19-inch rack-mountable configuration make it easy to integrate into existing control systems.
High Voltage Tolerance: The SEA4D-01 can withstand up to 500 V AC for 1 minute, offering enhanced durability in high-voltage conditions.

Applications

The SEA4D-01 is ideal for critical process safety applications across various industries, including:

Process Safety Systems: It serves as an essential component in process control systems where safety and reliability are paramount.
Industrial Automation: The terminal board is used in automation systems to interface I/O modules with field devices, ensuring seamless data transmission and control.
Oil & Gas, Chemical, and Power Industries: Its SIL3 compliance makes it a suitable choice for industries with stringent safety requirements and high operational risks.

The SEA4D-01 terminal board is a vital tool for ensuring safe, reliable, and efficient operation in critical industrial applications.