Excellent PLC
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Product Introduction
The Honeywell 8C-POZL51 is a high-performance Digital Input Module engineered for use in critical industrial control systems. This module is part of the Honeywell ControlEdge and C300 series platforms and is primarily used to monitor discrete field input signals. Known for its reliability, robust design, and seamless integration into large-scale Distributed Control Systems (DCS), the 8C-POZL51 enables precise digital input signal acquisition and status detection.
Equipped with channel isolation and diagnostic features, it offers superior fault detection and system integrity. This module is designed to handle demanding environments, ensuring continuous operation in industries such as oil & gas, chemical processing, power generation, and manufacturing automation.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 8C-POZL51 |
| Product Type | Digital Input Module |
| Series/Platform | Honeywell C300 / ControlEdge |
| Number of Channels | 32 digital inputs |
| Input Voltage Range | 18 VDC to 30 VDC |
| Input Type | Voltage (Sink Type) |
| Input Impedance | >10 kΩ |
| Isolation | Channel-to-Channel and Channel-to-Ground |
| Diagnostic Features | Line monitoring, Open wire detection |
| Status Indication | LED status for each input channel |
| Power Consumption | ≤ 2.5 W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Mounting | DIN Rail or panel mount via baseplate |
| Communication Interface | IOTA backplane (with redundant option) |
| Dimensions (H x W x D) | 50 × 230 × 120 mm |
| Weight | 0.65 kg |
| Certifications | CE, UL, CSA, ATEX (Zone 2) |
| Safety Compliance | SIL2 capable (per IEC 61508) |
Product Applications
The 8C-POZL51 Digital Input Module is ideally suited for a wide range of industrial automation and process control applications, including:
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Oil & Gas: For monitoring valve positions, pressure switches, and safety interlocks in upstream, midstream, and downstream operations.
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Power Plants: Integration with turbine control, auxiliary systems, and critical alarms.
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Chemical & Petrochemical Plants: Monitoring digital alarms and emergency shutdown systems (ESD).
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Manufacturing Automation: Capturing digital states from sensors, light curtains, and safety interlocks.
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Water & Wastewater Treatment: Supervising pump control feedback and status signals.
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Pharmaceutical Plants: Ensuring precise batch control and status detection in GMP environments.
Product Advantages
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High Channel Density: 32 inputs in a compact module, minimizing cabinet space usage.
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Advanced Diagnostics: Open wire detection and real-time fault monitoring improve system reliability.
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Rugged Design: Suitable for harsh industrial environments, vibration-resistant and temperature-hardened.
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Redundancy Support: Designed for dual-redundant systems to prevent single points of failure.
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Compliance & Safety: Certified for hazardous locations (Zone 2) and supports functional safety (SIL2).
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Seamless Integration: Native compatibility with Honeywell’s Experion PKS and ControlEdge systems ensures fast configuration and reduced engineering time.
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Field Replaceable Unit (FRU): Quick replacement with minimal downtime during maintenance or upgrade.
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Status LEDs: Real-time channel monitoring simplifies troubleshooting and maintenance.
Frequently Asked Questions (FAQ)
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Q: How many input channels does the 8C-POZL51 support?
A: It supports 32 discrete digital input channels. -
Q: What type of signals can it process?
A: It processes DC voltage digital input signals, typically from sensors, switches, or relays. -
Q: Can the 8C-POZL51 module be used in SIL-rated applications?
A: Yes, it is certified for use in SIL2 safety instrumented systems according to IEC 61508. -
Q: What is the minimum and maximum voltage range supported?
A: It supports 18 VDC to 30 VDC input range. -
Q: Does the module support redundant configurations?
A: Yes, it is designed for use in dual-redundant control configurations. -
Q: How is the module mounted in the control system?
A: It is mounted on an IOTA baseplate which is then DIN rail or panel mounted. -
Q: Are the input channels individually isolated?
A: Yes, channel-to-channel and channel-to-ground isolation is provided. -
Q: What happens if an input wire breaks or becomes disconnected?
A: The module includes line monitoring diagnostics and will detect open wire faults. -
Q: Can this module be hot-swapped?
A: Yes, it supports hot-swapping when used with proper Honeywell IOTA backplane configurations. -
Q: Is it suitable for hazardous areas?
A: Yes, it is ATEX Zone 2 certified and meets industrial hazardous area standards.
Related Models (Same Series or Functionality)
| Model | Description | Channels | Signal Type | Special Features |
|---|---|---|---|---|
| 8C-PAONA1 | Analog Output Module | 8 | 4-20 mA | Redundant capable, HART |
| 8C-TAIX51 | Thermocouple Input Module | 16 | TC Input | Temperature input, diagnostics |
| 8C-TDODA1 | Digital Output Module | 32 | 24VDC Output | Fused outputs, status feedback |
| 8C-PAIMA1 | Analog Input Module | 16 | 4-20 mA | HART protocol support |
| 8C-PAOHA1 | High-Level Analog Output Module | 8 | Voltage Output | Supports redundancy |
| 8C-PDODA1 | Digital Output (Relay) Module | 16 | Dry Contact | Mechanical relay output channels |
Popular Honeywell Models (Same Brand)
| Model | Description | System Type | Function |
|---|---|---|---|
| FC-SDO-0824 | Safety Digital Output Module | Safety Manager | 8 channel, 24VDC Output |
| CC-PDIL01 | Process Digital Input (Low Voltage) | C300 | 24VDC, 16-channel DI |
| MU-TD0D12 | Digital Output Redundant Module | TDC 3000 | Redundant DO |
| CC-TAIX01 | Analog Input Module | C300 | High-density analog input |
| CC-PDOB01 | Digital Output Module | C300 | 24VDC, open collector |
| FC-TSDI-1624 | Safety Digital Input Module | Safety Manager | 16 channel, 24VDC Input |
