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Part of the Omron CJ-Series PLCs series — see the full model table, lifecycle status and replacement parts.

Omron CJ2M-CPU14 PLC CPU unit — front view showing the 31 mm wide body with USB Type-B programming port on the top face, RS-232C DB-9 port on the bottom face, and the indicator LEDs (RUN, ERR, INH, PRPHL) visible across the front

Omron CJ2M-CPU14 — CJ2M CPU, 30K Steps, USB + Serial

SKU: CJ2M-CPU14

USD 215.00

CJ2M-CPU1@ series PLC CPU, 30K steps program, 160K words data memory, built-in USB programming + RS-232C serial, 0.04 µs LD execution

1-Year Warranty Full manufacturer warranty
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Product Overview

The Omron CJ2M-CPU14 is the 30K-step model of Omron's CJ2M CPU1@ family — the right pick for mid-range machine-control applications where the 20K-step CJ2M-CPU33 (which has built-in EtherNet/IP) is too small in program memory but the 60K-step CJ2M-CPU15 (also no EtherNet/IP) is overkill. manufactured by Omron Corporation. Hengyixin Automation stocks this controller in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports.

The CPU14 ships with 30K steps of program memory and 160K words of data memory (32K DM + 32K EM × 4 banks), plus a USB Type-B programming port and an RS-232C serial port for legacy device connections (HMIs, barcode readers, weigh scales, temperature controllers). The CPU1@ series differs from the CJ2M-CPU3@ series in one key respect: the CPU1@ does NOT have built-in EtherNet/IP.

The USB port supports online editing, program upload/download, and monitoring at the full 12 Mbps bus speed — much faster than the legacy RS-232C programming on CJ1M-CPU11/12/13/21/22/23 (which need a USB-to-serial converter cable).

Key Features

  • 160K words data memory
  • Built-in RS-232C serial port
  • 2560 I/O points max
  • 0.04 µs LD instruction execution time
  • SKU: CJ2M-CPU14
  • Series: CJ2M CPU Units (CPU1@ — no built-in EtherNet/IP)
  • I/O: 2560 points

Best-Fit Applications

  • Mid-volume automotive assembly cell — CJ2M-CPU14 with CJ2M-MD211 Pulse I/O Module controlling 4-axis stepper-driven pick-and-place, RS-232C to a Cognex barcode.
  • Pharmaceutical batch process — CJ2M-CPU14 with CJ1W-TC001 thermocouple input module and CJ1W-NC413 position control module on expansion rack, RS-232C to.
  • Stand-alone packaging machine — CJ2M-CPU14 with 3 expansion racks talking to an NB5Q-TW01B-V1 HMI via RS-232C Host Link — total.

Buying Checklist

  • Pick CJ2M-CPU34 for 30K-step CJ2M CPU with built-in EtherNet/IP
  • Pick CJ2M-CPU15 for 60K-step CPU if your program exceeds 25K steps after compilation
  • Pick CJ2M-CPU13 for 20K-step CPU if program fits in 15K steps after compilation

Technical Specifications

Model CJ2M-CPU14
Series CJ2M CPU Units (CPU1@ — no built-in EtherNet/IP)
Type PLC CPU Unit, 30K steps program memory
Program Capacity 30K steps
Data Memory Capacity 160K words (DM: 32K words, EM: 32K words × 4 banks)
LD Instruction Execution Time 0.04 µs (40 ns)
I/O Bits 2560 bits (2560 I/O points max)
Maximum Expansion Racks 3 expansion racks (40 I/O units total across all racks)
Built-in Communication Ports USB Type-B (12 Mbps) + RS-232C (DB-9 male)
High-Speed Counter Inputs Via CJ2M-MD211 Pulse I/O Module — 4-axis 100 kHz HSC + pulse output
Operating Temperature 0 to +55 °C
Dimensions (W x H x D) 31 × 90 × 65 mm
Certifications UL (Class I Div 2), CSA, CE, Lloyd's Register, EN 61131-2

FAQ for CJ2M-CPU14

What's the difference between CJ2M-CPU14 and CJ2M-CPU34?
Both are 30K-step CJ2M CPUs with identical memory layout (30K steps program, 160K words data memory), identical execution time (0.04 µs LD), identical I/O capacity (2560 points across 4 racks), and identical USB + serial port configuration. The single difference: the CJ2M-CPU34 has built-in EtherNet/IP (CIP, FINS, Modbus TCP), the CJ2M-CPU14 (this SKU) does NOT have built-in EtherNet/IP.
Can I migrate from a CJ1M-CPU13 to a CJ2M-CPU14 without rewriting my ladder?
Yes — the CJ2M-CPU14 (and the entire CJ2M family) supports 100 % of the CJ1M instruction set with no program rewrite needed. In CX-Programmer / Sysmac Studio, open the CJ1M-CPU13 program, use 'Change PLC Model' (under PLC menu) to convert to CJ2M-CPU14, and the program will transfer 1:1 with all I/O allocations, memory addresses, and instruction references preserved.
Does the CJ2M-CPU14 support high-speed counters?
Not directly on the CPU — the CJ2M-CPU14 (CPU1@ series) does not have built-in high-speed counter inputs. To get HSC functionality, add a CJ2M-MD211 Pulse I/O Module to the CPU rack (one slot, 31 mm wide, sits immediately to the right of the CPU). The CJ2M-MD211 provides 4 differential HSC inputs (100 kHz single-phase, 50 kHz two-phase) and 4 transistor pulse outputs (100 kHz each), suitable for 4-axis stepper drive control or 4-axis encoder-based position feedback.
What programming software do I use with the CJ2M-CPU14?
CX-Programmer version 9.6+ (included in CX-One 4.6+) for the CJ-series toolchain, OR Sysmac Studio version 1.5+ (included in Sysmac Studio 1.5+) for the Sysmac-family toolchain. Both support the CJ2M-CPU14 with the same I/O tables, memory layout, and instruction set. CX-Programmer is the legacy CJ-series IDE and is still preferred for CJ2M-only installations.

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