The DEIF DLQ144-PC-NB functions as a multi-purpose interface module, serving as the translator between diverse components in industrial control architectures. Here’s how it integrates: mounted in control cabinets alongside PLCs, DCS nodes, or machine controllers, it converts analog signals (4–20 mA, 0–10 V) to digital data, processes discrete inputs/outputs, and manages serial communication via RS-485. This allows it to connect older equipment lacking modern protocols to contemporary automation systems.
Model Number DLQ144-PC-NB
Brand DEIF
Type Multi-Signal Interface Module
Input Voltage 24 VDC (18–30 VDC range)
Operating Temp Range -40°C to +70°C
Mounting Style Panel-mounted, 144 mm x 144 mm cutout
Dimensions 160 mm x 160 mm x 80 mm (W x H x D)
Weight 1.2 kg
Interface/Bus RS-485, 8 analog inputs, 16 digital I/O
Compliance CE, UL 508, IEC 61010-1
Supported Protocols Modbus RTU, Modbus ASCII
Typical Power Draw 24 VDC @ 300 mA max
The DEIF DLQ144-PC-NB functions as a multi-purpose interface module, serving as the translator between diverse components in industrial control architectures. Here’s how it integrates: mounted in control cabinets alongside PLCs, DCS nodes, or machine controllers, it converts analog signals (4–20 mA, 0–10 V) to digital data, processes discrete inputs/outputs, and manages serial communication via RS-485. This allows it to connect older equipment lacking modern protocols to contemporary automation systems.
DLQ144-PC-NB
In operation, the DEIF DLQ144-PC-NB acts as a middleware device: it receives signals from sensors or actuators, normalizes them into a standardized format, and transmits them to higher-level control systems. It supports Modbus RTU/ASCII protocols, enabling compatibility with most industrial SCADA and HMI platforms. What sets it apart is its modular design—users can configure input/output ratios to match specific application needs, from 8 analog inputs and 16 digital outputs to a mix of serial and discrete signals. This flexibility makes it ideal for both greenfield installations and retrofits, where system requirements often evolve during implementation.
DLQ144-PC-NB
Main features and advantages:
The DEIF DLQ144-PC-NB delivers tangible benefits by reducing the engineering overhead of system integration. Its ability to handle multiple signal types eliminates the need for separate conversion modules, shrinking control panel footprint by up to 40% in mixed-signal applications. This consolidation not only cuts hardware costs but also simplifies wiring, reducing installation time and potential points of failure.
In operation, its robust design ensures consistent performance in harsh environments. With immunity to electrical noise (100 V/m EMC rating) and wide temperature tolerance, it maintains signal integrity in steel mills, marine engine rooms, and outdoor power substations—settings where lesser modules would falter. The DEIF DLQ144-PC-NB also includes built-in diagnostics, such as signal drift detection and open-circuit alerts, which reduce troubleshooting time by pinpointing issues before they cause system failures. For maintenance teams, this means fewer unplanned shutdowns and more predictable uptime in critical processes.
DLQ144-PC-NB
Technical specifications:
Model Number DLQ144-PC-NB
Brand DEIF
Type Multi-Signal Interface Module
Input Voltage 24 VDC (18–30 VDC range)
Operating Temp Range -40°C to +70°C
Mounting Style Panel-mounted, 144 mm x 144 mm cutout
Dimensions 160 mm x 160 mm x 80 mm (W x H x D)
Weight 1.2 kg
Interface/Bus RS-485, 8 analog inputs, 16 digital I/O
Compliance CE, UL 508, IEC 61010-1
Supported Protocols Modbus RTU, Modbus ASCII
Typical Power Draw 24 VDC @ 300 mA max
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
DLQ144-PC-NB
Application areas:
The DEIF DLQ144-PC-NBexcels in applications requiring seamless integration of diverse equipment. In marine automation, it connects engine sensors (temperature, pressure) and navigation systems to the vessel’s central control unit, ensuring the bridge has real-time data on propulsion status. In food and beverage plants, it links legacy filling machines with modern batch controllers, translating analog speed signals into digital setpoints to maintain fill accuracy.
Renewable energy installations, such as solar farms, rely on the DEIF DLQ144-PC-NB to aggregate data from inverter systems, weather stations, and battery storage units—all with varying signal protocols—into a single feed for the SCADA system. Its wide temperature range makes it equally valuable in cold-storage facilities, where it connects refrigeration sensors to building management systems without signal degradation in sub-zero conditions. In each scenario, the module’s adaptability reduces the need for custom programming, accelerating project timelines.
DLQ144-PC-NB
Related products:
DEIF DLQ144-PC-NB/EXT – Expansion module adding 8 additional analog inputs for high-channel-count applications.
DEIF DLQ120-PC – Compact 120mm x 120mm version with reduced I/O for space-constrained panels.
DEIF DLQ144-ETH – Ethernet-enabled variant of the DEIF DLQ144-PC-NB with Modbus TCP support.
DEIF IOM16 – Digital I/O expander that pairs with the DEIF DLQ144-PC-NB for up to 64 discrete points.
DEIF COM-20 – Protocol converter that extends the DEIF DLQ144-PC-NB to BACnet or Profibus networks.
DEIF PWR-24-5A – Redundant power supply optimized for the DEIF DLQ144-PC-NB in safety-critical systems.
DEIF DLQ144-PC-OLD – Legacy predecessor with limited diagnostic features, often replaced by the DEIF DLQ144-PC-NB.
Installation and maintenance:
Before installing the DEIFDLQ144-PC-NB, verify that the control panel cutout matches its 144mm x 144mm dimensions—misalignment can cause signal interference from adjacent components. Check that the 24 VDC power supply is isolated from high-voltage circuits (240 VAC+) to prevent noise; using a dedicated power rail with surge protection is recommended. For Modbus integration, confirm baud rate compatibility (9600–115200 bps) with the target PLC or SCADA system, as mismatched settings will cause communication failures.
For maintenance, inspect terminal block connections quarterly—tighten any loose screws to prevent signal dropouts, especially in vibration-prone environments like pump rooms. Use DEIF’s configuration software semi-annually to check for firmware updates, which often include improved noise filtering. Calibrate analog input channels yearly with a precision signal generator to ensure accuracy within ±0.1% of full scale, critical for applications like chemical dosing where small signal errors can impact product quality.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
