CE4002S1T2B8 Industrial-Grade Discrete Output Card (32-Channel 24VDC with Integrated Mass Termination)

The CE4002S1T2B8 represents Emerson's advanced solution for high-density discrete output control in mission-critical DeltaV distributed control environments. Engineered with a 40-pin mass termination interface and 32 independent 24VDC output channels, this simplex configuration delivers exceptional installation efficiency and operational reliability across oil & gas, chemical processing, power generation, and pharmaceutical manufacturing sectors.

Designed for process engineers and automation professionals who demand rapid deployment without compromising safety or performance, the CE4002S1T2B8 eliminates traditional point-to-point wiring complexity through factory-tested cable harness integration. Each channel provides 100mA switching capacity with optical isolation tested to 1000VDC, ensuring robust protection against electrical transients and ground loop interference in harsh industrial environments.

With global hazardous area certifications including FM/CSA Class I Division 2 and ATEX Zone 2 compliance, this output card enables safe deployment in explosive atmosphere locations while maintaining the diagnostic capabilities and system integration advantages that define the DeltaV platform. Whether controlling valve manifolds, motor starters, or safety interlocks, the CE4002S1T2B8 delivers the performance and reliability your critical processes require.

Key Features & Technical Advantages

→ 40-Pin Mass Termination Architecture: Revolutionary connector-based wiring eliminates up to 32 individual screw terminals, reducing installation labor by 70% and enabling pre-fabricated cable assemblies with factory-verified continuity testing.

→ High-Side 24VDC Switching (100mA per Channel): Drives standard industrial control devices including solenoid valves, relay coils, and indicator lamps with fail-safe high-side switching topology that defaults to de-energized state upon wire failures.

→ Optical Isolation to 1000VDC: Every output channel features galvanic isolation factory-tested to 1000VDC, providing superior noise immunity and protecting DCS electronics from field-side electrical disturbances.

✓ Extended Temperature Operation (-40°C to +70°C): Series 2 Plus environmental rating accommodates outdoor installations, extreme climates, and non-climate-controlled equipment shelters without performance degradation.

✓ Comprehensive Hazardous Area Certifications: FM/CSA Class I Division 2 Groups A-D, ATEX 3 G IIC T4, and marine approvals (DNV/ABS) enable deployment in classified locations worldwide.

✓ Enhanced Per-Channel Diagnostics: Real-time fault detection identifies open circuits, short circuits, and overload conditions with status reporting to DeltaV control strategies for predictive maintenance.

Application Scenarios & Industry Solutions

Pneumatic Valve Manifold Control (Oil & Gas Production):
In offshore platforms and onshore processing facilities, the CE4002S1T2B8 controls banks of pneumatic actuators governing process isolation valves, pressure relief systems, and flow control devices. The mass termination connector accepts pre-assembled 30-meter cable runs from valve manifolds, reducing commissioning time from 8 hours to under 90 minutes per card while eliminating wiring errors that could compromise process safety.

Motor Control Center (MCC) Interface (Chemical Processing):
Chemical plants utilize the CE4002S1T2B8 to interface DeltaV control strategies with motor starter panels containing dozens of pump, agitator, and conveyor drives. The 100mA output capacity directly energizes 24VDC contactor coils while optical isolation prevents motor switching transients from disrupting sensitive DCS electronics, maintaining control system stability during frequent start/stop operations.

Batch Sequencing & Recipe Management (Pharmaceutical Manufacturing):
Pharmaceutical batch systems leverage the 32-channel capacity to execute complex valve sequencing for charging, reaction, and discharge operations within a single unit procedure. The high-density I/O configuration reduces cabinet footprint by 40% compared to traditional terminal block designs, critical in space-constrained cleanroom environments.

Emergency Shutdown (ESD) Logic Solver Integration (Refining):
Refineries deploy the CE4002S1T2B8 in safety instrumented systems (SIS) to actuate shutdown valves, trip motor starters, and activate alarm annunciators during process upsets. The non-arcing field wiring certification and optical isolation enable installation in Division 2 hazardous areas where explosive atmospheres may occur during abnormal conditions.

Distributed Alarm & Annunciation Systems (Power Generation):
Power plants use multiple CE4002S1T2B8 cards to drive visual and audible alarm devices distributed across turbine halls, boiler areas, and control rooms. The fail-safe high-side switching ensures alarm devices default to off-state during wire breaks or card failures, preventing nuisance alarms while maintaining operator awareness of genuine fault conditions.

Technical Specifications & Selection Guide

Selection Criteria: Choose the CE4002S1T2B8 when your application requires high-density discrete output control with rapid installation requirements. For applications demanding individual wire terminations or redundant configurations, consider alternative DeltaV output cards. Verify that total load current across all 32 channels does not exceed 3.2A at 24VDC; for higher current requirements, distribute loads across multiple cards or implement external relay interfaces.

Extended Capabilities & System Integration

Pre-Fabricated Cable Harness Compatibility: The 40-pin mass termination connector accepts Emerson-approved cable assemblies up to 30 meters in length, enabling shop fabrication with factory continuity testing and eliminating field wiring errors. Cable harnesses feature keyed connectors preventing incorrect insertion and locking mechanisms that withstand vibration and thermal cycling.

DeltaV Control Strategy Integration: Each output channel appears as an independent I/O point within DeltaV control modules, supporting standard function blocks including discrete output (DO), pulse output (PLS), and totalizer reset functions. Real-time diagnostic data streams to control strategies enable predictive maintenance and automated fault response.

Conformal Coating Protection: ISA-S71.04-1985 Class G3 conformal coating protects electronic components from airborne contaminants, corrosive atmospheres, and humidity exposure common in chemical processing and offshore environments, extending service life beyond 15 years in harsh conditions.

Hot-Swap Capability: Replace failed cards without system shutdown or field wiring disturbance by disconnecting the single 40-pin connector, swapping the card, and reconnecting—typically completed in under 5 minutes with minimal process disruption.

Delivery Timeline & Service Commitment

Standard Lead Time: 3-5 business days for in-stock units with expedited shipping available to North America, Europe, and Asia-Pacific regions. Custom cable harness assemblies require additional 7-10 business days for fabrication and testing.

Warranty Coverage: 12-month manufacturer warranty covering defects in materials and workmanship. Extended warranty programs available for critical applications requiring guaranteed uptime.

Technical Support: Unlimited access to certified DeltaV application engineers for wiring diagram review, power budget calculations, cable harness specifications, and commissioning assistance. Remote troubleshooting support available 24/7 for production-critical installations.

Documentation Package: Complete installation manuals, connector pinout diagrams, cable harness specifications, and commissioning checklists provided with every order. AutoCAD drawings and 3D STEP models available upon request for cabinet design integration.

Frequently Asked Questions

Q: What cable length limitations apply to the 40-pin mass termination connector?
A: Emerson recommends maximum cable lengths of 30 meters (100 feet) between the CE4002S1T2B8 card and field devices to maintain signal integrity and minimize voltage drop. For longer distances, implement intermediate junction boxes with individual wire terminations or consider fiber-optic I/O solutions for extended reach applications.

Q: Can the CE4002S1T2B8 drive inductive loads such as solenoid valves directly?
A: Yes, the 100mA per channel capacity accommodates most industrial 24VDC solenoid valves and relay coils. However, inductive loads generate voltage spikes during de-energization; ensure field devices include integral suppression diodes or install external suppression networks to protect output transistors from reverse EMF damage.

Q: How does the simplex configuration differ from redundant DeltaV output cards?
A: Simplex configurations like the CE4002S1T2B8 provide single-channel control without automatic failover capability. For critical applications requiring fault tolerance, specify redundant output card pairs (e.g., CE4002S2T2B8) that automatically transfer control to the backup card upon primary card failure without process interruption.

Q: What power supply specifications are required for the CE4002S1T2B8?
A: The card requires two power sources: (1) 24VDC field power at 3.2A maximum for output switching, and (2) 12VDC LocalBus power at 150mA maximum from the DeltaV carrier. Ensure power supplies provide adequate capacity with 20% margin for transient loads and future expansion.

Q: Are replacement cable harnesses available for the 40-pin mass termination connector?
A: Yes, Emerson and authorized distributors supply pre-fabricated cable harnesses in standard lengths (5m, 10m, 15m, 30m) with factory-tested continuity. Custom lengths and breakout configurations available for non-standard installations. Specify connector type, cable length, and field device termination requirements when ordering.

Q: Can the CE4002S1T2B8 be installed in outdoor or non-climate-controlled enclosures?
A: The Series 2 Plus environmental rating (-40°C to +70°C) enables outdoor installation in NEMA 4X or IP66 enclosures with proper thermal management. Ensure enclosure design prevents condensation, provides adequate ventilation, and maintains ambient temperature within specified limits during all operating conditions.

Order Your CE4002S1T2B8 Today

Streamline your DeltaV discrete output installations with the proven reliability and installation efficiency of the CE4002S1T2B8 mass termination output card. Contact our automation specialists to discuss your application requirements, verify compatibility with existing DeltaV infrastructure, and receive detailed quotations including cable harness assemblies and technical support packages.

Ready to optimize your control system? Request a technical consultation or place your order now to experience the installation time savings and operational reliability that have made the CE4002S1T2B8 the preferred choice for demanding industrial applications worldwide.

© 2026 NINERMAS COMPANY LIMITED. All rights reserved.
Original Source: https://ninermas.com
Contact: sale@ninermas.com | +0086 187 5021 5667