SKU: CP1W-CIF11

Omron CP1W-CIF11 RS485 Option Board for CP1 Series

Omron CP1W-CIF11 is an RS485 option board for CP1 series PLCs, enabling serial communication for Modbus-RTU networking.

USD 13.00 per unit, volume discounts available

  • In stock, ships in 24h
  • 100% genuine Omron
  • 1-year manufacturer warranty
  • Worldwide delivery

Key Features

  • RS485 communication expansion for CP1 controller platforms
  • Supports integration with serial devices and networks
  • Useful for HMIs, meters, drives, and instrumentation links
  • Helps extend lifecycle value of existing CP1 systems
  • Suitable for retrofit communication upgrades
  • Practical modular add-on for scalable control architecture
01 / Overview

RS485 Communication Expansion for Flexible CP1 System Integration

The CP1W-CIF11 adds RS485 connectivity to CP1 controllers where machine applications require serial communication with external devices. It is useful for integrating HMIs, meters, drives, and multi-drop networks in both new and retrofit projects. This module helps preserve existing controller platforms while expanding practical communication options.

Typical Applications

  • Connecting CP1 PLCs to serial HMIs
  • Integrating panel meters and instrumentation
  • Adding RS485 communication in retrofit machine panels
  • Supporting multi-device serial networks in compact systems
  • Standardizing communication expansion in OEM designs
  • Improving data exchange options without controller migration

Buying Checklist

  • Expands CP1 communication without replacing controller
  • RS485 support enables broad industrial device integration
  • Useful for cost-effective modernization projects
  • Supports scalable machine connectivity strategies
  • Practical long-term component for maintained CP1 systems
02 / Specifications

Technical Specifications

Technical specifications for Omron CP1W-CIF11 RS485 Option Board for CP1 Series
ModelCP1W-CIF11
SeriesCP1W
TypeSerial Option Board
Ports1x RS-485
ProtocolsModbus-RTU (master/slave), Host Link
Baud Rate9.6k to 115.2 kbps
Max Stations32 stations (multi-drop)
Max Distance500m
IsolationNon-isolated
ConnectionTerminal block
SlotOption board slot (right side)
Compatible CPUsCP1E, CP1L, CP1H
Operating Temperature0 to +55°C
03 / FAQ

Frequently Asked Questions

Where does this option board install?

Installs in option board slot on CP1 CPU right side (between CPU and expansion units, if any). One option board per CPU.

What's the difference between CIF11 and CIF12?

CIF11: non-isolated RS-485. CIF12: isolated RS-485 (higher noise immunity). Choose CIF12 for noisy environments or when ground potential differences exist.

Can I use this for VFD communication?

Yes, common application. Configure as Modbus-RTU master, VFDs as slaves. Control speed, monitor status, read parameters. Most VFDs support Modbus-RTU.

How do I configure Modbus master?

Configure in CX-Programmer: set baud rate, parity, slave addresses. Use Modbus instructions (MODRD, MODWR) in PLC program to read/write slave registers.

Need CP1W-CIF11 pricing or lead time?

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