OVERVIEW

Official designation: Omron C200H-MP831 (C200H, EPROM Memory Unit)

Role/Application: A non-volatile memory unit for Omron C200H series PLCs, storing the user program and data via an erasable programmable read-only memory chip.

KEY SPECS SUMMARY

Power: Refer to the latest manufacturer manual.

Interfaces / Ports: Plug-in CPU rack connection

Indicators: None

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: C200H series CPU rack, 7K words UM

Limit: 8K words total capacity, 6,974 words max program size

Lifecycle: Discontinued, replaced by CS1 or CJ2 series

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the memory divisions of the 8K words total capacity on this unit?

A: The memory is divided into 7K words for user program and 1K words for data memory.

Wiring & Installation:

Q: What is the required device for writing the program data onto the EPROM chip?

A: A PROM writer is required to write the program to the EPROM chip before unit installation.

Troubleshooting & Compatibility:

Q: What is the maximum relative humidity environment the C200H-MP831 is rated for?

A: The unit is rated for an operating humidity of 10 to 90 percent RH non-condensing.

Replacement & Upgrades:

Q: What is the generally recommended modern Omron alternative for C200H memory units?

A: The Omron CS1 or CJ2 PLC series are the current standard recommendations for platform migration.