OVERVIEW

Official designation: Omron C200H-B7A01 (B7A, Interface Unit)

Role/Application: Remote I/O interface unit for Omron C200H PLCs, acting as a slave in a Master Link system to provide 16 output points over a serial connection, simplifying wiring for distributed control.

KEY SPECS SUMMARY

Power: 5 VDC, 0.10 A internal PLC consumption

Interfaces / Ports: B7A Master Link interface; Terminal block connections

Indicators: Refer to the latest manufacturer manual.

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: Omron C200H/C200HS PLCs; Connects via B7A Master Link

Limit: 16 output points; Not a relay module but an interface unit

Lifecycle: Discontinued by manufacturer

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary function of the C200H-B7A01 module in the C200H system architecture?

A: It functions as a B7A Interface Unit to expand the PLC's output capacity via a serial link.

Wiring & Installation:

Q: What is the maximum transmission distance when using the B7A Master Link system with this unit?

A: The maximum distance is 500 meters at normal speed, provided independent power supplies are used for each block.

Troubleshooting & Compatibility:

Q: Can the C200H-B7A01 unit be used to implement both input and output points?

A: No, the C200H-B7A01 model is specifically an output interface unit, supporting 16 output points only.

Replacement & Upgrades:

Q: Which Omron PLC series and modules are recommended for replacing the discontinued C200H series and B7A Interface?

A: Upgrades often involve moving to the Omron CS1 or CJ2 series, which require replacing the CPU and backplane.