Omron

Omron CS1G-CPU42-V1 CS1 Series CPU Unit

SKU CS1G-CPU42-V1

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Omron

  • Product No.: CS1G-CPU42-V1

  • Country of origin:Japan

  • Product Type: CPU Units

  • Payment: T/T, Western Union

  • Weight: 450g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Engineered for medium-to-large-scale machine control and industrial automation, the Omron CS1G-CPU42-V1 serves as a high-performance central processing unit within the modular CS1-series programmable logic controller (PLC) architecture. This CPU Unit optimizes processing speeds and instruction execution times to handle demanding automation tasks across complex production environments.

The CS1G-CPU42-V1 features a program capacity of 10K steps and a robust memory capacity of 64K words, facilitating advanced sequential and process control configurations. Designed for seamless integration, it supports up to 960 local I/O points, allowing for highly flexible system expansion. Its design ensures compatibility with existing CS1 rack systems, communication modules, and digital/analog I/O cards, providing a scalable path for upgrading legacy systems without full rewiring.

Features

  • Reliable execution of ladder logic, structured text, and SFC programming.
  • Compatible with a wide range of Omron CS1-series communication, motion control, and special I/O modules.
  • Battery-backed RAM to preserve critical system variables, program data, and event logs during power loss.
  • Built-in peripheral and RS-232C ports for easy programming tool connection, HMI interfacing, and serial communications.
  • Supports extensive diagnostic self-tests, including memory checks, program errors, and CPU run-time monitoring.

Applications

  • Automated manufacturing assembly lines
  • Water and wastewater treatment processing
  • Material handling and conveyor systems
  • Packaging machinery and automated bottling plants
  • HVAC and building automation environmental control

Technical Specifications

Parameter Specification
Manufacturer Omron
Part Number/Model CS1G-CPU42-V1
Product Series CS1 Series (CS1G)
Program Capacity 10K steps
Data Memory Capacity 64K words (DM: 32K words, EM: 32K words)
I/O Points 960 points (expandable)
Current Consumption 0.78 A at 5 VDC
Mounting Location CS1-series CPU Rack (CPU slot only)
Programming Language Ladder Diagram, Instruction List, Structured Text, SFC
Weight 0.45 kg
Operating Temperature Range 0 to 55 degC
Storage Temperature Range -20 to 75 degC

Installation Guidelines

For reliable system performance and thermal management, install the CS1G-CPU42-V1 CPU Unit on a compatible CS1D or CS1W backplane in the dedicated CPU slot. Ensure the backplane is mounted vertically inside an enclosure with a minimum clearance of 50 mm above and below the rack to allow proper airflow. Keep the unit away from high-voltage cables and heavy electrical machinery to minimize electromagnetic interference (EMI). Verify that the system is completely powered down before inserting or removing the CPU unit to prevent damage to the backplane connectors.

Compliance and Certifications

  • CE compliant (low voltage and EMC directives)
  • UL Listed (Class I, Division 2 for hazardous locations)
  • cULus certified

FAQ

What is the program capacity of the Omron CS1G-CPU42-V1?

The Omron CS1G-CPU42-V1 CPU Unit has a program capacity of 10K steps.

How many local I/O points does the CS1G-CPU42-V1 support?

This module supports up to 960 local, non-expanded I/O points.

What is the memory capacity of the CS1G-CPU42-V1?

It has a data memory capacity of 64K words, split into DM (32K words) and EM (32K words).

Can this CPU be mounted on any PLC backplane?

No, it must be mounted specifically in the dedicated CPU slot of an Omron CS1-series backplane.

Is the CS1G-CPU42-V1 compatible with programming tools via USB?

The CPU unit features peripheral and RS-232C ports; connection to USB-only computers requires an Omron-approved conversion cable.

View all FAQs →

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
Reviews
1 of 1
Only 7 item(s) left in stock
Quantity
View full details

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Japan

Technical knowledge

Replacing ABB DSQC 351: Controller and Network Checks

Checks to record before replacing ABB 3HNE 00006-1 DSQC 351: controller generation, X3/X5/X20/X21 wiring, DeviceNet settings, INTERBUS mapping, and LED states.

IC693CPU360 vs IC693CPU364: Ethernet and Power Budget

Compare the IC693CPU360 and IC693CPU364 by Ethernet interface, +5 VDC load, memory, rack limits, and replacement checks.

1756-OF4 Output Wrong? Check Mode, RTB, and Scaling First

A field-first diagnostic sequence for 1756-OF4 analog output problems: channel mode, removable terminal block, scaling, and controlled electrical checks.

1746-OA8 vs 1746-OA16: Output Count and Current Limits

A direct comparison of 1746-OA8 and 1746-OA16 output count, common grouping, backplane current and temperature-derated load limits.

Replacing a 1761-NET-DNI: Capture These Settings First

A field checklist for recording the 1761-NET-DNI hardware series, firmware, EDS file, DF1 settings, DeviceNet address and messaging configuration before replacement.

EL3062 vs EL3062-0030: The Input Range Changes

The EL3062 is a 0–10 V EtherCAT terminal. The EL3062-0030 is a 0–30 V variant. This checklist covers identification, scaling and commissioning.