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Product Introduction
The Honeywell 16159/1/1 Digital Input Module is an industrial-grade I/O component designed for use in Honeywell’s distributed control systems (DCS), particularly the TDC 3000 and Experion Process Knowledge System (PKS). This module enables real-time monitoring of field devices by receiving and interpreting digital signals from switches, sensors, and other binary devices.
Engineered with reliability and durability in mind, the 16159/1/1 module ensures consistent performance even in demanding process environments such as refineries, chemical plants, power stations, and manufacturing lines. It is used extensively in applications where input status tracking, interlocking, alarm monitoring, and sequencing are critical to the safety and continuity of operations.
Its compact size, field-proven robustness, and seamless integration into Honeywell DCS architectures make it an indispensable asset in industrial automation and control.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 16159/1/1 |
| Product Type | Digital Input Module (DI) |
| Input Type | Discrete (on/off) |
| Input Channels | 16 channels |
| Input Voltage Range | 18–32 VDC |
| Input Signal Type | Dry contact or voltage-based input (configurable) |
| Input Isolation | Optical isolation per channel |
| Scan Time | < 1 ms |
| Status Indication | LED indicators per input channel |
| Power Consumption | < 3 W |
| System Compatibility | TDC 3000, Experion PKS |
| Mounting Style | DIN rail or module rack (standard Honeywell I/O base) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Protection Class | IP20 (module body), conformal-coated PCB for harsh use |
| Certifications | CE, UL, CSA, ATEX (for selected enclosures) |
| Dimensions (H × W × D) | 210 × 32 × 120 mm |
| Weight | 0.109 kg |
Product Applications
-
Petrochemical and Oil Refineries
For monitoring valve position feedback, ESD (emergency shutdown) push buttons, limit switches, and alarm relays. -
Power Generation Facilities
Used to receive breaker status, permissive signals, trip indicators, and safety interlocks. -
Pharmaceutical Production
Tracks door contacts, machine interlocks, and packaging automation steps. -
Water and Wastewater Treatment
Monitors pump and motor start/stop status, level sensor states, and gate position signals. -
Metals and Mining Operations
Receives input from proximity switches, motor starters, and conveyor belt contact sensors. -
Food & Beverage Plants
Integrates cleanroom switch states, emergency stop buttons, and packaging equipment status.
Product Advantages
-
High-Density Input
With 16 channels, the module allows efficient input monitoring in a compact footprint. -
Robust Electrical Isolation
Optical isolation for each channel ensures high reliability and protection against electrical noise and surges. -
Fast Input Recognition
Rapid scan time (<1 ms) allows for quick detection of input state changes—ideal for critical interlock systems. -
Seamless DCS Integration
Designed for native compatibility with Honeywell’s TDC 3000 and Experion PKS systems, reducing integration costs and time. -
Visual Status Feedback
Built-in LEDs offer clear visual indication of input status for fast troubleshooting and field diagnostics. -
Industrial Hardened Design
Reliable performance under high humidity, wide temperature ranges, and in corrosive atmospheres with optional coating. -
Flexible Input Compatibility
Accepts both voltage-based and dry-contact inputs, accommodating a variety of field instruments. -
Easy Maintenance
Modular hot-swap capability (when supported by the base system) allows replacement without system shutdown.
Frequently Asked Questions (FAQ)
-
What kind of devices can I connect to the 16159/1/1 digital input module?
You can connect sensors, switches, relays, push buttons, or any other binary digital signal source. -
Is the module compatible with Experion PKS?
Yes, it integrates seamlessly with both Experion PKS and legacy TDC 3000 systems. -
Can I use dry contact inputs with this module?
Yes, the module supports dry contact as well as voltage-based digital inputs. -
Are the input channels isolated from each other?
Each input is optically isolated, ensuring signal integrity and protecting the system from transients. -
Does it support hot-swapping?
When used with compatible Honeywell chassis, hot-swapping is supported for quick module replacement. -
How do I identify the status of each input?
Each input channel is equipped with an LED status indicator on the module front panel. -
What is the maximum input voltage?
The recommended range is 18–32 VDC, beyond which damage may occur. -
What environmental standards does the module meet?
It complies with CE, UL, and CSA standards and has optional ATEX support for hazardous zones. -
Can this module be mounted in a third-party rack?
It is designed specifically for Honeywell racks and mounting hardware for guaranteed compatibility. -
What is the lifespan of this module in continuous operation?
With proper environmental conditions and installation, it can operate reliably for over 10 years.
Related or Same-Series Models
| Model | Function | Input/Output | Description |
|---|---|---|---|
| 51305348-100 | Digital Input Module | 32 channels DI | High-density input module for Experion systems |
| 51195199-010 | Digital Output Module | 16 channels DO | Output control module for field actuators |
| 51400997-100 | Mixed I/O Module | 8 DI / 8 DO | Combines input and output in one unit |
| 51204172-175 | Analog Input Module | 8 channels AI | For RTDs, thermocouples, and process signals |
| 51304493-100 | Pulse Input Module | High-speed digital input | For metering and encoder feedback applications |
| 51109684-200 | Digital Input Module | 16 channels DI | Enhanced environmental tolerance for field use |
Popular Honeywell Models (Other Categories)
| Model | Product Type | Function/Application | Dimensions (mm) | Weight |
|---|---|---|---|---|
| C300 Controller | Process Controller | Centralized control engine for Experion PKS | 220 × 150 × 110 | 2.1 kg |
| HC900 | Hybrid Controller | Integrated PLC/DCS for batch or hybrid processes | 150 × 100 × 130 | 1.5 kg |
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| UDC3200 | Universal Digital Controller | Panel-mounted PID controller | 96 × 96 × 150 | 0.8 kg |
| Experion LX | Distributed Control System | Compact DCS for small to mid-size operations | Customizable | Varies |
| SMV800 | Smart Multivariable Transmitter | Flow + Pressure in one unit | 180 × 130 × 120 | 2.3 kg |
