What is the program and data memory capacity?
20K steps program capacity and 64K words of data memory
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Omron
CS1G-CPU43H
CS1G-CPU43H PLC CPU unit, 20K program, 64K data
Omron
From $1,340.8In stock
Product Description
The CS1G-CPU43H is a rack-mounted PLC CPU unit for Omron’s SYSMAC CS1 platform, designed for mid-to-large control applications requiring reliable performance and expandability. It supports 20K program steps and 64K words of data memory, enabling complex logic and robust data handling. Typical scan performance includes 0.04 µs per LD instruction for responsive control. The unit operates from a 5 VDC backplane supply with approximately 0.78 A current draw and can address up to 960 I/O points across two expansion racks when configured with appropriate modules. Standard connectivity includes a 9‑pin D‑sub interface, and the unit ships with a CS1W‑BAT01 backup battery. It is rated for operation from 0 to +55 °C and complies with cULus Class I Div 2 and relevant EC directives. This CPU is suitable for upgrading or maintaining legacy CS1 systems and building scalable architectures with deterministic performance and broad module compatibility.
Key Features
- •20K steps program capacity, 64K words data memory, Fast 0.04 µs LD instruction processing, Supports up to 960 I O points, Two expansion racks maximum, 5 VDC backplane power, 9 pin D sub connectivity, Includes CS1W BAT01 battery
Buy Options
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
ConditionPriceAvailabilityLead time
New
Price: RFQ
Availability: Sourced on request
Lead time: Quoted after RFQ
Never Used
Price: $1,905
Availability: 3 in stock
Lead time: ~3 day lead
Used
Price: $1,340.8
Availability: 64 in stock
Lead time: ~3 day lead
FNFP
Price: $2,885
Availability: 1 in stock
Lead time: ~5 day lead
Specifications
- Model
- CS1G-CPU43H
- Product type
- PLC CPU unit
- Program capacity
- 20K steps
- Data memory
- 64K words
- Instruction processing time
- 0.04 µs per LD
- I/O capacity
- Up to 960 points (2 expansion racks)
- Power supply
- 5 VDC backplane
- Current consumption
- 0.78 A at 5 VDC
- Operating temperature
- 0 to +55 °C
- Connectivity
- 9-pin D-sub connector
- Included
- CS1W-BAT01 battery
- Weight
- 717 g (approx.)
- Part #
- CS1G-CPU43H
- Category
- PLCs/Machine Control
- Category
- PLC Module/Rack
- Weight
- 0.20 lbs
Before we quote this part
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
Independent sourcing disclaimer
We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.
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FAQ
How many I/O points can this CPU support?
Up to 960 I/O points with two expansion racks
What is the typical instruction execution speed?
Approximately 0.04 µs per LD instruction
What power does the unit require?
5 VDC from the CS1 backplane, about 0.78 A
What accessories are included?
A CS1W-BAT01 backup battery is included