OVERVIEW

Official designation: Omron CQM1-OC221 (SYSMAC CQM1 Series, Contact Output Unit)

Role/Application: This 8-point Contact Output Unit uses relays to provide isolated switching control for external loads in the CQM1 PLC system, accommodating AC and DC power up to 2 A per point.

KEY SPECS SUMMARY

Output Points: 8 points

Output Type: Relay contact

Switching Voltage: 250 VAC / 24 VDC

Max Switching Current: 2 A (16 A per unit)

Min Switching Capacity: 10 mA at 5 VDC

Internal Consumption: 430 mA at 5 VDC

ON/OFF Delay: 10 ms max / 5 ms max

Commons: Independent

Operating Temp: 0 to 55 degrees C

Compatibility: Omron CQM1 PLC system

Lifecycle: Obsolete

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum total switching current capacity for the entire CQM1-OC221 module?

A: The maximum total switching current capacity for all 8 points combined is 16 A.

Wiring & Installation:

Q: What are the common connections available for the 8 output points on the module?

A: The module features independent common connections, allowing each point to switch a different potential.

Troubleshooting & Compatibility:

Q: What are the expected mechanical and electrical service lives of the relay contacts in the module?

A: The mechanical service life is 20,000,000 operations; the electrical service life is 300,000 operations resistive load.

Replacement & Upgrades:

Q: What is the primary replacement module recommended by Omron for the obsolete CQM1-OC221?

A: The recommended replacement is often the CJ1W-OC201, but users should check the latest manuals.