OVERVIEW

Official designation: Omron C200H-IA121 (C200H, Input Unit)

Role/Application: An I/O module for the C200H PLC system that processes 8 points of AC digital input signals, providing reliable signal status to the CPU for control logic.

KEY SPECS SUMMARY

Power: 10 mA internal current consumption

Interfaces / Ports: 8 input points

Indicators: Input status LEDs, 8 points

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: C200H series backplane mounting

Limit: Input voltage 100 V AC to 120 V AC

Lifecycle: Discontinued, replacement often CS1 series modules

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the confirmed number of input points and the required input voltage range for this module?

A: The module provides 8 input points and accepts 100 V AC to 120 V AC signals.

Wiring & Installation:

Q: What are the physical dimensions of the C200H-IA121 module for panel layout and space planning?

A: The dimensions are 35 mm wide, 130 mm high, and 101 mm deep.

Troubleshooting & Compatibility:

Q: What is the primary function of the LED indicators on the face of the C200H-IA121 module?

A: The LEDs provide a visual indication of the current ON/OFF status for each of the 8 input points.

Replacement & Upgrades:

Q: What is the general migration path recommended by Omron for replacing the C200H series modules?

A: The official replacement path typically involves migrating to the Omron CS1 or CJ2 series PLC platforms.