Overview
The Omron H3CA-A is a multifunction solid state digital timer designed for flexible timing control in industrial automation and process control applications. This compact, 1/16 DIN plug-in unit offers a wide 0.1 sec to 9990 hour range with digital setting and LCD display. The timer supports both AC and DC supply voltages (24Vac–240Vac and 12Vdc–240Vdc) and includes a 1 x digital output with time-limit SPDT relay contact rated 250Vac/5A resistive load.
Key Features
- 8 operating timer modes including time-limit operation, self-resetting, and external resetting
- Easy-to-read LCD time remaining bar graph and output status indicators
- Thumbwheel switch selects time unit, control mode, and time limit setting
- Multifunction timer with 7 timing ranges and 3-digit display
- UL Recognized and CSA Certified
- Dual AC/DC power supply flexibility for universal installation
Technical Specifications
Operating modes include (A) ON-delay, (B) Flicker, (C) Signal-ON/OFF delay, (D) Signal-OFF delay, (E) Interval, (F) One-shot and flicker, (G) Signal-ON/OFF delay, and (H) Signal-OFF delay.
Typical Applications
- Process delays and timing sequences in manufacturing automation
- Machine start/stop and cycle timing in industrial controls
- Motor soft-start and deceleration control
- Alarm and fault detection timing logic
- Conveyor and material handling system timing
- Pump and fan run-time sequencing
Compatibility & Replacements
Compatible With
- Standard industrial automation control cabinets and panel installations
- PLC-based automation systems requiring external solid state timing
- Programmable Logic Controllers using discrete digital I/O
- Relay logic and hardwired control systems
- Machine builders and OEMs utilizing standard 11-pin timer sockets
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The H3CA-A is part of the H3CA series and may be compatible with other H3CA variants; consult Omron technical documentation or contact the manufacturer for specific cross-reference models.
Works With
- Omron industrial relay and PLC I/O systems
- Allen-Bradley, Siemens, and other brand PLC controllers via discrete I/O
- Standard industrial 11-pin round socket mounting
- 50/60 Hz AC power systems
- EtherNet/IP and PROFINET control architectures via integration with gateway modules
