Omron CS1W-EIP21S EtherNet/IP Unit for CS1 Series
SKU: CS1W-EIP21SUSD 290.00
Omron CS1W-EIP21S is an EtherNet/IP communication unit for CS1 series PLCs, enabling EtherNet/IP network connectivity.
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Product Overview
The CS1W-EIP21S fits industrial control projects that require dependable logic execution, maintainable programming workflows, and architecture growth over the equipment lifecycle. It supports standardized automation design across machine families while preserving serviceability in production environments.
Deterministic Logic and Sequence Control
This controller class supports predictable scan-driven execution for interlocks, sequencing, alarms, and coordinated device handling. Deterministic behavior is essential for consistent machine output and repeatable cycle performance.
Platform Reuse Across Equipment Variants
Standardizing on a proven PLC/controller family enables software reuse, reduced engineering lead time, and easier support across multiple machine models or production lines.
Lifecycle Service and Maintainability
A maintainable control architecture with documented I/O mapping, diagnostics, and modular expansion strategy reduces troubleshooting time and improves long-term ownership value.
Key Features
- Protocol: EtherNet/IP
- Ethernet Ports: 1 port (10/100 Mbps)
- Compatible CPUs: CS1 series
- Operating Temperature: 0 to +55°C
- Mounting: CS1 backplane
- SKU: CS1W-EIP21S
- Series: CS1W
Best-Fit Applications
- Executes deterministic control logic
- Coordinates multi-device machine behavior
- Supports reusable software structures
- Improves fault diagnostics and recovery time
- Enables modular feature growth over time
- Standardizes control strategy across equipment
Buying Checklist
- Strong fit for scalable machine control
- Maintains deterministic automation behavior
- Supports long-term maintainability
- Good platform standardization candidate
- Reliable industrial controller ecosystem
Technical Specifications
| Model | CS1W-EIP21S |
|---|---|
| Series | CS1W |
| Type | EtherNet/IP Communication Unit |
| Protocol | EtherNet/IP |
| Ethernet Ports | 1 port (10/100 Mbps) |
| Compatible CPUs | CS1 series |
| Operating Temperature | 0 to +55°C |
| Mounting | CS1 backplane |
Resources & Downloads
FAQ for CS1W-EIP21S
What networks does this unit support?
EtherNet/IP protocol. Connect to EtherNet/IP devices: HMIs, drives, remote I/O, other PLCs.
Can this unit act as EtherNet/IP scanner?
Yes, CS1W-EIP21S can be EtherNet/IP adapter (slave) or scanner (master).
Can I use FINS over EtherNet/IP?
Yes, FINS/TCP and FINS/UDP supported over EtherNet/IP.
Do I need to configure this unit?
Yes, configure in CX-Programmer. Set IP address, node connections. Configuration downloads to CPU.
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