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Omron CP1W-CIF12-V1 Isolated RS485 Option Board — front view

Omron CP1W-CIF12-V1 Isolated RS485 Option Board

SKU: CP1W-CIF12-V1

USD 28.00

Omron CP1W-CIF12-V1 is an isolated RS485 option board for CP1 series PLCs, providing noise-immune serial communication.

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Product Overview

The CP1W-CIF12-V1 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

  • Ports: 1x Isolated RS-485
  • Protocols: Modbus-RTU, Host Link
  • Baud Rate: 9.6k to 115.2 kbps
  • Isolation Voltage: 500VAC
  • Max Stations: 32 stations
  • Max Distance: 500m
  • SKU: CP1W-CIF12-V1
  • Series: CP1W
  • Voltage: 500VAC

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 CP1W-CIF12-V1
Series CP1W
Type Isolated Serial Option Board
Ports 1x Isolated RS-485
Protocols Modbus-RTU, Host Link
Baud Rate 9.6k to 115.2 kbps
Isolation Voltage 500VAC
Max Stations 32 stations
Max Distance 500m
Connection Terminal block
Slot Option board slot
Compatible CPUs CP1E, CP1L, CP1H
Operating Temperature 0 to +55°C

FAQ for CP1W-CIF12-V1

Why use isolated RS485?
Isolation (500VAC) protects CPU from ground loops, voltage spikes, and noise. Essential when connecting devices with different ground potentials or in noisy environments.
When should I choose CIF12-V1 over CIF11?
CIF12-V1: noisy environments, long cable runs, devices with different ground potentials, outdoor installations. CIF11: clean environments, short runs, same ground potential.
What's the isolation rating?
500VAC isolation between RS-485 port and CPU. Protects CPU from transients and ground potential differences up to 500VAC.
Do I need termination resistors?
Yes, for RS-485 multi-drop: 120Ω termination resistor at both ends of cable. Some devices have built-in termination. Check device documentation.

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