The Honeywell MLI-DR32H/D1 functions as a high-speed integrated control solution for industrial automation. This versatile module combines power management, digital inputs, and relay outputs within a single compact housing. It specifically supports complex logic processing for DCS and PLC architectures. Furthermore, the unit delivers rapid execution speeds to maintain precise timing in synchronized operations. Its robust construction ensures consistent performance in environments with significant electrical noise.
Technical Specifications
| Feature | Specification |
| Brand | Honeywell |
| Model Number | MLI-DR32H/D1 |
| Module Type | Power Supply / Relay I/O Module |
| Input Channels | 16-Point Digital (DC 12/24V) |
| Output Channels | 16-Point Relay |
| Contact Rating (Resistive) | DC 24V 2A / AC 220V 2A |
| Processing Speed | 83 Nanoseconds per basic instruction |
| Mechanical Life | > 20 Million Operations |
| Weight | 0.4 kg |
| Dimensions | 7 cm x 14 cm x 14.5 cm |
| Manufacturing Origin | USA |
Advanced Switching and Control Logic
This module provides sixteen independent relay outputs for driving high-power field hardware. Each relay channel handles up to 2A for both DC and AC loads. Consequently, the MLI-DR32H/D1 effectively controls solenoid valves, motor contactors, and signaling lamps. The internal relay insulation creates a safety barrier between logic and field circuits. This isolation prevents feedback surges from damaging the central controller.
The input section accepts sixteen 12/24V DC signals for monitoring plant equipment status. Because it features an 83ns processing speed, the module reacts instantly to process changes. Users can expand the system to support up to 384 I/O points for larger facilities. This scalability allows for cost-effective upgrades as production requirements grow. Additionally, the unit utilizes a 4-point common (COM) wiring structure to simplify cabinet installation.
Durability and System Integration
Honeywell engineered the MLI-DR32H/D1 for extreme mechanical longevity. The relay components exceed 20 million operations to ensure years of maintenance-free service. Therefore, it remains a reliable choice for high-duty cycle applications. The module also integrates smoothly with Ethernet-based communication routers and DCS networks. This connectivity enables remote diagnostics and real-time data acquisition across the entire factory.
