Technical Overview

The CB218-Z-030/031-L is an elite-tier industrial control module engineered by Emerson to bridge the gap between high-speed logic execution and laboratory-grade measurement accuracy. This unit is specifically designed for safety-critical tasks in the most demanding process environments, such as high-pressure oil and gas extraction, chemical processing, and power generation. Unlike standard controllers, the CB218-Z integrates multi-variable measurement functions, allowing it to process mass flow, volume flow, and density data with exceptional precision.

Built with a focus on functional safety, the module is certified for SIL 2/3 applications and features a comprehensive diagnostic suite capable of detecting over 98% of potential internal and external faults. Its dual-channel Ethernet and WirelessHART® capabilities ensure redundant, flexible communication pathways even in electromagnetically shielded or remote field locations.

Detailed Technical Specifications

• Measurement Performance:

• Mass & Volume Flow: Industry-leading accuracy of ±0.20% of reading.

• Density Precision: ±0.005 g/cm³ (5 kg/m³).

• Temperature Accuracy: ±1°C or ±0.5% of reading.

• Power Architecture: 24 VDC (±10%) with a highly efficient ≤3.5 W typical consumption.

• Extreme Environmental Resilience:

• Operating Pressure: Rated for extreme high-pressure environments up to 1,034 bar (15,000 psi).

• Temperature Range: Reliable performance from -40°C to +85°C.

• Mechanical Durability: 5 g vibration resistance and 50 g shock resistance.

• Advanced Connectivity:

• Wired: Dual-channel 10/100 Mbps Ethernet.

• Wireless: Native WirelessHART® support for cable-free instrumentation networks.

• Global Safety Certifications:

• Hazardous Areas: ATEX and IECEx certified.

• Protection: IP66/67 ingress protection (Dust-tight and water-immersion resistant).

• Compliance: CE, UL, and SIL 2/3 functional safety rated.

• Physical Profile: 120 mm x 80 mm x 40 mm.

• Mass: Ultra-lightweight 300g (0.3 kg) design.

• Manufacturing Origin: USA.

Application and Critical Safety

The CB218-Z-030/031-L is the preferred choice for engineers managing high-stakes automation where failure is not an option. Its ability to maintain ±0.20% accuracy under 15,000 psi of pressure makes it indispensable for subsea or wellhead monitoring. The module's sophisticated fault detection minimizes the risk of "silent failures," making it a cornerstone component for any system requiring a high Safety Integrity Level (SIL).