OVERVIEW

Official designation: Omron C200H-CPU23-E (C200H, PLC CPU Module)

Role/Application: A high specification, 24 V DC powered CPU unit for the C200H rack-style PLC system, providing the processing core with a built-in RS-232C port for Host Link communications and ample program memory.

KEY SPECS SUMMARY

Power: 24 V DC nominal supply voltage

Interfaces / Ports: RS-232C communication port

Indicators: Refer to the latest manufacturer manual.

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: C200H and C200HS base units

Limit: 6974 words maximum ladder program capacity

Lifecycle: Discontinued, replacement is CS1 or CJ2 series

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the available internal DC current capacity supplied by the CPU to I/O units?

A: The CPU supplies a maximum of 1.6 A current to connected I/O units.

Wiring & Installation:

Q: What is the primary communication port used for programming and host link on this CPU?

A: The primary port for communication is the built-in RS-232C port.

Troubleshooting & Compatibility:

Q: Can the C200H-CPU23-E retain data in its internal RAM when the power is off?

A: Data retention depends on the memory unit type and battery status of the rack.

Replacement & Upgrades:

Q: Which modern Omron PLC series are the recommended replacements for the C200H CPUs?

A: The recommended upgrade paths lead to the Omron CS1 or CJ2 series PLCs.