396356-01-0P Emerson ControlWave I/O Expansion Rack for Micro/Express

🚀 Scalable I/O Expansion for ControlWave RTU Systems

The 396356-01-0P I/O Expansion Rack delivers modular scalability for Emerson ControlWave Micro and ControlWave Express remote terminal units. Designed for distributed SCADA architectures, this rack enables field engineers to expand I/O capacity without replacing existing RTU infrastructure—critical for pipeline monitoring, water treatment, and remote oil & gas installations where system downtime is unacceptable.

🔌 Core Specifications

• Compatibility: ControlWave Micro, ControlWave Express RTUs
• Slot Capacity: Supports up to 8 I/O modules per rack
• Module Types: Analog input, digital I/O, communication interfaces
• Backplane: High-speed serial communication bus
• Power Supply: 24 VDC nominal (18-32 VDC range)
• Current Draw: 2.5A maximum (rack + full module load)
• Mounting: DIN rail or panel mount options
• Environmental Rating: -40°C to +70°C, IP20 enclosure
• Dimensions: 305mm (W) × 152mm (H) × 89mm (D)
• Certifications: UL Class I Div 2, ATEX Zone 2, IECEx

🌐 Real-World Deployment Scenarios

Pipeline & Midstream: Expand RTU capacity at remote pump stations and custody transfer points where additional flow meters, pressure transmitters, and valve actuators require integration without infrastructure overhaul. Supports DNP3 and Modbus protocols for seamless SCADA connectivity.

Water & Wastewater: Scale lift station monitoring systems as municipalities expand service areas. Add level sensors, flow totalizers, and chemical dosing controls incrementally while maintaining existing ControlWave logic and HMI configurations.

Renewable Energy: Augment solar farm and wind turbine monitoring with additional meteorological sensors, inverter status inputs, and grid synchronization signals—essential for optimizing energy yield and meeting utility interconnection requirements.

⚡ Strategic Advantages

Future-Proof Architecture: Hot-swappable module design allows field technicians to add or replace I/O cards without powering down the RTU—minimizing process interruptions and eliminating costly production losses during system upgrades.

Harsh Environment Resilience: Conformal-coated PCBs and wide-temperature operation ensure reliable performance in desert heat, arctic cold, and high-humidity coastal installations where commercial-grade equipment fails.

Lifecycle Cost Reduction: Extend the operational life of legacy ControlWave systems by 5-10 years through modular expansion rather than complete RTU replacement—preserving engineering investments in ladder logic, graphics, and operator training.

📋 Package Contents

• 396356-01-0P I/O expansion rack chassis
• Backplane connector assembly
• DIN rail mounting clips (4 pcs)
• Panel mounting hardware kit
• Grounding lug and wire
• Quick start installation guide

🛡️ Reliability & Support

Factory-tested to withstand 100,000+ insertion cycles and backed by Emerson's global service network. Compatible with ControlWave Designer software for seamless configuration and diagnostics. Recommended for SIL 1 safety applications when paired with certified I/O modules.