Honeywell UL24D16-C Relay Interface Module

Overview

The UL24D16-C is a 24V DC relay interface module for industrial automation. It provides 16 relay output channels with individual fuses and LED indicators. The plug-in relay design simplifies installation and maintenance. It ensures reliable signal isolation, switching, and status monitoring for PLC and DCS systems. The universal DIN rail mounting allows flexible integration into existing control panels.

Technical Specifications

• Model: UL24D16-C

• Voltage Rating: 24V DC coil voltage

• Channels: 16 relay output channels

• Relay Type: Plug-in type relays

• Contact Configuration: 1 C/O (Changeover) contact per channel

• Fuse Protection: Individual fuse per channel (typically 2A or 5A)

• LED Indication: Channel-wise LED for signal status monitoring

• Mounting: Universal DIN rail mounting

• Looping: Interchangeable input side looping via jumpers

• Number of Channels: 16 independent digital-to-analog conversion channels

• Resolution: 12 bits, offering 4096 discrete output levels per channel

• Interface: SPI for high-speed data communication

• Update Rate: 10 Msps, allowing fast sample writing

• Settling Time: 5 µs for output stabilization

• Power Supply: +2.7V to +5.5V operating voltage range

• Output Voltage Range: 0V to VREF, externally set reference voltage

• Operating Temperature: -40°C to +85°C for harsh environments

• Package Type: QFN-48, compact surface-mount form factor

• Power Consumption: 20 mW, optimized for low-power applications