Omron CJ2H-CPU68 PLC CPU Unit

USD 2,947.35

400K-step CJ-series CPU with 2,560 I/O points, 3 expansion racks, 0.016 μs basic instruction time, and 5 VDC 0.42 A consumption.

SKU Omron-CJ2H-CPU68 Category
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Omron CJ2H-CPU68 PLC CPU Unit

Model Identifier CJ2H-CPU68
Official Part Number CJ2H-CPU68
GTIN Standard NA

Technical Overview

CJ2H-CPU68 is an Omron CJ-series CPU unit for compact machine control applications. Manufacturer data shows a 2,560-point / 40-unit system capacity across up to 3 expansion racks, 400K-step program memory, 832K-word data memory, and 0.016 μs basic instruction execution time. It is a panel-mounted CPU unit with low 5 VDC current consumption and industrial environmental ratings suitable for control cabinets and machine automation architectures.

Key Features

  • 2,560 points / 40 units capacity
  • Supports up to 3 expansion racks
  • 400K steps program capacity
  • 832K words total data memory
  • 32K words DM plus 32K words × 25 EM banks
  • 0.016 μs basic instruction execution time
  • 5 VDC, 0.42 A current consumption
  • Panel-mounted enclosure
  • Conforms to cULus, NK, LR, and EC directives

400K-step program capacity with 0.016 μs basic instruction execution time.

Technical Specification Matrix

ParameterValue
CPU rack dimensions90 mm × 65 mm × 49 mm (H × D × W)
Weight190 g or less (includes end covers and battery)
Current consumption5 VDC, 0.42 A
Ambient operating temperature0 to 55 °C
Ambient operating humidity10% to 90% (no condensation)
Ambient storage temperature-20 to 70 °C (excluding battery)
Altitude2,000 m or less
Pollution degree2 or less
Noise immunity2 kV on power supply line (IEC 61000-4-4)
Overvoltage categoryCategory II
EMC immunity levelZone B
Vibration resistanceIEC 60068-2-6; 5 to 8.4 Hz, 3.5-mm amplitude; 8.4 to 150 Hz; 9.8 m/s² for 100 min in X, Y, and Z directions
Shock resistanceIEC 60068-2-27; 147 m/s², 3 times in X, Y, and Z directions
User memory400K steps
I/O bits2,560 bits
Overhead processing timeNormal mode: 100 μs
Execution timeBasic instructions: 0.016 μs min.; Special instructions: 0.048 μs min.
Maximum connectable units10 units max. per CPU rack or expansion rack; 40 units max. per PLC
Maximum expansion racks3 max.
Applicable standardscULus, NK, LR, EC Directives
Battery modelCJ1W-BAT01
End cover modelCJ1W-TER01
End platePFP-M (2 pcs)
Serial port connectorNot provided; plug XM3A-0921 and hood XM2S-0911-E or equivalent

Industrial Applications

1. High-speed packaging line coordination

Controls a compact machine line with fast scan performance and high I/O density where 2,560 bits and 0.016 μs instruction timing help synchronize conveyors, sensors, and actuators.

Problem Solved

Minimizes cycle-time latency in discrete packaging automation.

PLC2,560 I/O bits0.016 μsmulti-rackmachine control

2. Multi-station assembly machine control

Suitable for an assembly cell needing multiple distributed units across up to 3 expansion racks and 40 total connected units while keeping the controller footprint small.

Problem Solved

Reduces panel space and wiring complexity in modular assembly equipment.

3 expansion racks40 units maxpanel-mountedindustrial control

3. High-memory sequence and recipe handling

The 400K-step program and 832K-word memory support large sequence logic, recipe tables, and data logging in a single CPU unit.

Problem Solved

Prevents memory bottlenecks in complex machine programs.

400K steps832K wordsDMEM bankssequence control
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