OVERVIEW

Official designation: Omron CS1G-CPU43H (SYSMAC CS1 Series, Central Processing Unit)

Role/Application: This high-performance CPU module is designed for large-scale industrial automation, providing central processing and memory for complex control logic within the CS1 rack system.

KEY SPECS SUMMARY

Program Capacity: 20K steps

Data Memory: 64K words

I/O Points: 960 bits max

Expansion Racks: 2 max

LD Instruction Speed: 0.04 microsecond

Internal Power: 5 VDC

Internal Consumption: 0.78 A max at 5 VDC

Operating Temp: 0 to 55 degrees C

Built-in Ports: RS-232C, Peripheral port

Weight: 0.718 kg

Lifecycle: Commercialized

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the total data memory capacity and how is it primarily allocated within the CPU?

A: The total capacity is 64K words, typically allocated as 32K words for DM and 32K words for one EM bank.

Wiring & Installation:

Q: What are the two built-in communication interfaces available directly on the CS1G-CPU43H unit?

A: The unit features a built-in RS-232C port and a Peripheral port for programming and communications.

Troubleshooting & Compatibility:

Q: What is the maximum number of I/O expansion racks that can be connected to the CS1G-CPU43H?

A: This CPU model supports connection capacity of up to 960 I/O points across a maximum of two expansion racks.

Replacement & Upgrades:

Q: What Omron PLC series is commonly suggested as a replacement or upgrade path for the CS1G-CPU43H?

A: The CJ2H or CJ2M series are generally suggested for replacement, but program checks and I/O remapping are required.