GE Fanuc IC694APU305 Module | PACSystems RX3i Pulse I/O Processor

GE Fanuc IC694APU305 Pulse I/O Processing Module

The IC694APU305 from GE Fanuc delivers specialized pulse train processing for PACSystems RX3i automation platforms. This advanced module handles high-speed counting applications without requiring external PLC intervention. It provides independent pulse signal management for flow metering, motion control, and encoder applications.

Technical Specifications & Performance Data

• Brand: GE Fanuc
• Model: IC694APU305
• Module Type: Pulse I/O Processing Module
• Backplane Power: 5V DC from RX3i backplane
• Base Current: 360 mA + (10 mA per active output)
• Maximum Count Rate: 30 kHz (absolute encoder)
• High-Speed Counting: 200 kHz (Quad B encoder)
• Input Impedance: 4300 Ohms typical
• Input Hysteresis: 250 mV for noise immunity
• Isolation Rating: 1500V peak (1 second), 30V steady state

Input & Output Characteristics

• The IC694APU305 features positive logic inputs with optical isolation
• It provides positive logic outputs with optical isolation protection
• This module supports maximum 30V DC supply voltage for field devices
• It includes a replaceable 5A output fuse (5 x 20 mm size)
• The fuse provides common protection for all outputs
• Both inputs and outputs maintain complete electrical isolation

Application & System Integration

• This module processes pulse train signals independently from main CPU
• It handles flow metering applications with precise pulse counting
• The module supports motion control event counting for industrial automation
• It manages encoder and decoder signal processing in motion systems
• This module provides DC power for connected pulse devices
• Only external encoders require separate power supplies

Installation & Wiring Requirements

• There is no system limit to the number of modules installed
• Input wiring requires shielded cables for noise protection
• Maximum cable length should not exceed 30 meters for reliable operation
• The module installs directly into RX3i universal backplane slots
• It derives operating power from backplane 5V DC supply
• Proper grounding ensures optimal noise immunity performance

Environmental & Protection Features

• Operating Temperature: 0°C to 60°C standard industrial range
• Storage Temperature: -40°C to 85°C for component protection
• Isolation Protection: Prevents damage from overcurrent and short circuits
• Optical Isolation: Ensures signal integrity in noisy environments
• Fuse Protection: Safeguards outputs from overload conditions
• Hysteresis Design: Provides 250mV noise margin for stable operation

Packaging & Shipping Information

• Your order includes one IC694APU305 Pulse I/O Processing Module
• All shipments include comprehensive 12-month warranty coverage
• We provide worldwide shipping via FedEx, UPS, and DHL services
• Standard packaging includes installation guidelines and technical documentation

Comparison with Related RX3i Modules

• The IC694APU305 specializes in high-speed pulse processing
• For system redundancy, consider the IC695CRU320 CPU module
• The IC695ECM850 provides Ethernet communication capabilities

Professional FAQ Section

• What is the maximum pulse frequency this module can handle?
• It processes up to 30 kHz with absolute encoders and 200 kHz with Quad B encoders.
• How many modules can I install in one RX3i system?
• There is no system limit – you can install as many modules as your backplane slots allow.
• Does this module provide power to connected devices?
• Yes, it supplies DC power to most pulse devices, but external encoders need separate power.
• What type of input protection does this module include?
• It features optical isolation and 1500V peak isolation protection against electrical faults.
• What wiring specifications are required for reliable operation?
• You must use shielded cables with maximum length of 30 meters for noise immunity.

© 2025 World of PLC Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/
Technical Support Contact: info@oiltechcontrols.com | Phone: +86 158 8020 0923
Partner: PLCDCS HUB Limited https://plcdcshub.com/ | PLC Pioneer Limited https://plc-pioneer.com/