Overview
The Honeywell TC-MDP081 Pulse Input Module delivers precise, high-speed signal processing for industrial automation and control systems. Designed for performance and durability, it features 8 isolated input channels and 2 optically isolated outputs, allowing accurate pulse counting and frequency measurement across a wide range of voltage levels. Engineers rely on TC-MDP081 modules to capture pulse signals from flow meters, encoders, and turbine sensors while maintaining excellent noise immunity and electrical isolation.
This module supports input frequencies up to 100 kHz and configurable voltage thresholds, ensuring flexibility for both low-voltage and high-voltage applications. With robust isolation up to 1500 VDC, it maintains system stability even in electrically noisy industrial environments.
Key Features
- 8 high-speed pulse inputs and 2 optically isolated outputs
- Supports frequencies up to 100 kHz for precision pulse capture
- Adjustable input voltage range from 0–30 VDC
- Independent channel configuration for edge detection and counting modes
- 1500 VDC isolation for enhanced protection and reliability
- Compact, easy-to-install design for control cabinets
- Ideal for flow measurement, motion control, and turbine metering applications
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Honeywell |
| Model | TC-MDP081 |
| Product Type | Pulse Input Module |
| Number of Inputs | 8 |
| Number of Outputs | 2 (optically isolated, 500 mA each) |
| Input Type | Floating, optically isolated |
| Output Type | 500 mA, optically isolated |
| Frequency Range | 0–100 kHz |
| Input Voltage Range | 0–30 VDC (selectable) |
| High Range Trigger Level | ~8.80 V |
| Low Range Trigger Level | ~3.25 V |
| Voltage Hysteresis | 1.1 V (high range), 0.9 V (low range) |
| Max Input Current | 12.5 mA |
| Typical Input Current | 2 mA (low range) / 6 mA (high range) |
| Counter Size | 32-bit |
| Isolation Voltage | 1500 VDC (terminal-to-backplane and channel-to-channel) |
| Power Dissipation | 7.0 W max |
| Connection Type | 36-position terminal block (TC-TBCH) |
| Compatible Series | Honeywell Control and Safety Systems |
Channel Functionality
- Channels 0–5: Measure frequency, pulse width, or period
- Channels 6–7: Support accumulation, frequency, and target comparison
- Configurable edge detection (leading or trailing) for accurate pulse timing
Each channel operates independently, enabling simultaneous high-speed signal processing across multiple sources without interference.
Reliability and Protection
The TC-MDP081 incorporates advanced optical isolation and noise suppression, protecting internal circuits from voltage spikes and electrical disturbances. Its 1500 VDC isolation ensures safe operation even in systems with strong electromagnetic interference. This design guarantees long-term reliability in critical automation environments such as power plants, refineries, and manufacturing facilities.
Product Origin, Dimensions, and Weight
- Origin: USA
- Dimensions: 120 mm × 35 mm × 100 mm (L × W × H)
- Weight: 350 g
Its compact design saves panel space while maintaining excellent thermal and electrical performance.
Applications
The Honeywell TC-MDP081 is ideal for systems that demand real-time signal monitoring and high-speed pulse acquisition. Common applications include:
- Flow and turbine meter pulse counting
- Motor speed and rotation tracking
- Production line motion synchronization
- High-speed signal acquisition in distributed control systems
Why Choose Honeywell TC-MDP081
The TC-MDP081 combines flexibility, accuracy, and rugged reliability. With wide input voltage tolerance, powerful isolation, and precise pulse capture, it provides consistent performance across demanding industrial environments. Its engineering-grade construction ensures dependable operation for long-term automation use.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 120 × 35 × 100 mm |
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