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CJ1W-CT021 — High-Speed Counter Unit
Sensors & automationPart number: CJ1W-CT021
CJ1W-CT021 — High-Speed Counter Unit — Omron part reference CJ1W-CT021. Request a destination-specific quotation with shipping included. Confirm equipment model, serial number, quantity and any required certificates; availability, exact supply specification and warranty terms are checked before ordering.
Looking for Omron CJ1W-CT021? This catalogue reference is listed under Sensors & automation. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | Omron |
|---|---|
| Part number | CJ1W-CT021 |
| Category | Sensors & automation |
| Item Type Name | High-Speed Counter Unit |
| Product Family / Series | CJ-series |
| Model Number | CJ1W-CT021 |
| Unit Type | Special I/O Unit |
| number_of_counters | 2 |
| counter_bit_range | 32-bit |
| maximum_input_frequency | 500 kHz |
| counting_modes | Simple, Circular (Ring), Linear |
| digital_inputs | 2 |
| digital_outputs | 2 external, 30 internal (software) |
| external_control_inputs | 2 |
| maximum_response_time | 0.5 ms |
| noise_filter | Configurable (10 kHz or 50 kHz default) |
| input_voltage_compatibility | 5 V, 12 V, 24 V line driver |
| output_voltage_range | 12-24 V DC (10.2 to 26.4 V) |
| output_switching_capacity | 46 mA at 10.2 V to 100 mA at 26.4 V (200 mA max per common) |
| internal_current_consumption | 280 mA at 5 V DC |
| ambient_operating_temperature | 0 to 55°C |
| ambient_storage_temperature | -20 to 75°C |
| ambient_operating_humidity | 10% to 90% without condensation |
| cio_area_allocation | 40 words |
| dm_area_allocation | 400 words (113 for settings, 287 available as work area) |
| maximum_units_per_system | 24 |
| Mounting Position | CJ-series CPU Rack, CJ-series Expansion Rack, NJ-series CPU Rack, or NJ-series Expansion Rack |
| Interrupt Task Support | External interrupt tasks supported with CJ1-H or CJ1M CPU Units (must be positioned within first 5 slots for CJ1-H, first 3 slots for CJ1M) |
| Counter Type Selection | DIP switch on front panel (default: Simple Counter) |
| Protection Features | Reverse polarity protection, insulated from I/O bus |
| Weight | 100 g |
| Dimensions | 31 × 90 × 65 mm (W × H × D) |
| Reference status | Published catalogue reference; confirm specification and fitment before ordering |
| Availability | On request |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
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