IV4-GCU1 Keyence Communication Unit | IV4 Series

IV4-GCU1 Communication Unit from Keyence IV4 Series

Technical Specifications

• Brand: Keyence
• Model: IV4-GCU1
• Series: IV4 Series
• Category: Communication unit
• Compatible sensor: IV4-G120 compact amplifier
• Supported networks: PROFINET (Conformance Class C), EtherCAT (CoE) and TCP/IP no-procedure comm
• Ethernet speed: 100 Mbps
• Connector: RJ45
• Built-in ports: One RJ45 Ethernet port
• Communication expansion: None
• Supply voltage: Power supplied via the connected amplifier
• Operating temperature: 0 to +50°C with no freezing
• Relative humidity: 85% RH or less with no condensation
• Weight: Approx. 100 g
• Lifecycle status: Active, with official Keyence production status confirmed (last verified 2026-09)

Build Materials and Construction

• The main unit case uses PC for a light and durable housing.
• The Ethernet connector uses copper alloy with gold plating for stable signals.
• The rear DIN rail fixing tab uses POM for a firm clip.
• The nameplate uses PC material and stays legible over time.
• The unit meets IEC61340-5-1 for ESD safety on sensitive lines.

Installation Guide

• Clip the unit onto a standard DIN rail and press the rear tab firmly.
• Attach the unit to the IV4-G120 compact amplifier.
• The connected amplifier supplies power, so no separate supply is needed.
• Plug the RJ45 cable into the Ethernet port until it clicks.
• Route the cable away from high-current lines to reduce noise.
• Set the network parameters in the amplifier software before startup.
• Keep ambient temperature between 0 and +50°C and avoid condensation.
• Confirm link status on the port before you start production.

Key Benefits

• PROFINET Conformance Class C and EtherCAT CoE cover most factory networks.
• TCP/IP no-procedure comm supports simple data exchange with host systems.
• The 100 Mbps link keeps response times short on the line.
• The light 100 g body adds little load to the amplifier.
• DIN rail mounting speeds up panel build and service swaps.
• Gold-plated contacts resist corrosion in long production runs.

Package Contents

• One Keyence IV4-GCU1 communication unit
• One quick start guide

Shipping and Support

• We ship worldwide by FedEx, UPS and DHL.
• We dispatch orders within 5 days after payment clears.
• We accept returns within 30 days of delivery.
• We supply new original units only.

FAQ

• Q: Which amplifier works with the IV4-GCU1?
  A: It supports the IV4-G120 compact amplifier from Keyence.
• Q: Which industrial networks does it support?
  A: It supports PROFINET Conformance Class C and EtherCAT CoE.
• Q: What Ethernet speed does it offer?
  A: The unit runs at 100 Mbps.
• Q: What connector type does it use?
  A: It uses a standard RJ45 Ethernet connector.
• Q: Does it need a separate power supply?
  A: No, the connected amplifier supplies power to the unit.
• Q: What is the operating temperature range?
  A: The unit works from 0 to +50°C with no freezing.
• Q: How much humidity can it tolerate?
  A: It handles 85% RH or less with no condensation.
• Q: Does it support simple TCP/IP communication?
  A: Yes, it supports TCP/IP no-procedure comm.
• Q: How does the unit mount?
  A: A rear POM tab clips the unit onto a standard DIN rail.
• Q: How heavy is the unit?
  A: It weighs approximately 100 g.
• Q: Do you keep stock on hand?
  A: Yes, we hold stock and ship within 5 days.
• Q: Can I return the unit?
  A: Yes, we accept returns within 30 days.

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