Description

The EMERSON DA7281520 P152 is a high-density,plug-in terminal block assembly designed as the field wiring interface for Emerson’s DeltaV™CHARM(Characterization Module)I/O systems.It provides a secure,labeled,and serviceable connection point for up to 16 analog input signals—typically 4–20 mA with HART—linking field instruments to the underlying KJ3001X1-BA1 or compatible CHARM carrier base.

As a passive but essential component of modern modular I/O architecture,the DA7281520 P152 dramatically reduces wiring errors,simplifies maintenance,and accelerates panel assembly in process automation environments.

Application Scenarios

During the commissioning of a new biologics manufacturing facility in Switzerland,engineering teams faced tight deadlines and complex signal routing for over 1,200 analog sensors.By deploying EMERSON DA7281520 P152 terminal blocks across all DeltaV I/O cabinets,they cut field wiring time by 40%.Each DA7281520 P152 featured clearly labeled channels and color-coded screw terminals,allowing technicians to verify connections at a glance.When a pressure transmitter failed during validation,maintenance swapped the faulty signal wire on the DA7281520 P152 in under two minutes—without disturbing adjacent channels or opening the CHARM module.This modularity not only accelerated startup but also ensured compliance with strict GMP documentation requirements.

Parameter

Main Parameters Value/Description

Product Model DA7281520 P152

Manufacturer EMERSON

Product Category Analog Input Terminal Block/Field Wiring Interface

Compatible Carrier KJ3001X1-BA1,KJ3001X1-BB1,and other DeltaV CHARM I/O bases

Number of Channels 16(8 differential pairs or 16 single-ended)

Signal Type Supported 4–20 mA,0–10 V,RTD,thermocouple(via CHARM module type)

Terminal Type Screw-clamp,captive screws(prevents loss during servicing)

Wire Range 0.14–2.5 mm²(AWG 24–12)

Connection Method Front-accessible screw terminals with strain relief

Labeling Integrated transparent window for channel ID labels

Mounting Snap-in to CHARM carrier base;no tools required

Protection Rating IP20(for use inside control panels only)

Certifications CE,UL 508,CSA C22.2 No.14

Operating Temperature-20°C to+70°C

Technical Principles and Innovative Values

Innovation Point 1:CHARM-Centric Modular Wiring Philosophy

The DA7281520 P152 embodies Emerson’s“wire once,reconfigure forever”vision.Field wiring connects permanently to the terminal block,while the CHARM module(e.g.,AI,AO,DI)plugs into the top.Changing I/O types requires only swapping the CHARM—not rewiring—saving weeks in retrofit projects.

Innovation Point 2:Captive Screw Terminals for Maintenance Safety

Unlike loose screws that fall into panels,the DA7281520 P152 uses integrated,non-removable screws.This prevents dropped hardware,ensures consistent torque,and eliminates lost fasteners during loop checks or calibration.

Innovation Point 3:Visual Channel Identification System

The front-facing label window supports pre-printed or handwritten tags,enabling instant traceability from field tag(e.g.,PT-101)to I/O point—critical for audit readiness in pharma and food&beverage.

Innovation Point 4:Strain Relief and Vibration Resistance

Each terminal includes built-in wire clamping behind the contact point,preventing conductor pull-out in high-vibration areas like compressor skids or turbine halls.

Application Cases and Industry Value

At a greenfield LNG liquefaction plant in Qatar,over 8,000 analog signals were routed using EMERSON DA7281520 P152 terminal blocks.During FAT(Factory Acceptance Testing),engineers discovered a miswired flow meter.Thanks to the clear labeling and isolated terminals on the DA7281520 P152,the correction took 3 minutes instead of hours typically needed with traditional marshalling panels.The project finished commissioning two weeks ahead of schedule.

In a U.S.municipal water treatment upgrade,legacy hardwired I/O was replaced with DeltaV CHARMs on DA7281520 P152 bases.When regulatory requirements changed mid-project—requiring additional pH monitoring—the team simply added new CHARM modules without touching field wiring.The DA7281520 P152’s future-proof design turned a potential cost overrun into a seamless adaptation.

Related Product Combination Solutions

KJ3001X1-BA1:Primary CHARM I/O carrier base that hosts the DA7281520 P152 and provides backplane communication.

CHARM AI Module(e.g.,KJ3001X1-AI1):Analog input characterization module that snaps onto the DA7281520 P152 to process 4–20 mA signals.

DA7281521 P153:Similar terminal block for digital I/O applications(DI/DO).

DeltaV S-series I/O:For hybrid systems,DA7281520 P152 can coexist in cabinets alongside traditional S-series wiring.

KJ4001X1-NB1:Controller baseplate—part of the same DeltaV ecosystem where DA7281520 P152 delivers field data.

Emerson AMS Device Manager:Software that leverages HART signals routed through DA7281520 P152 for predictive diagnostics.

Wire Duct&Labeling Kits:Complementary panel infrastructure to maximize the organization benefits of DA7281520 P152.

Redundant CHARM Carrier(KJ3001X1-BR1):Supports dual DA7281520 P152 blocks for critical safety loops.

Installation,Maintenance,and Full-Cycle Support

Installing the EMERSON DA7281520 P152 is intuitive:snap it firmly onto the designated slots of a CHARM carrier base until it clicks.Then route field wires to the numbered terminals,insert stripped conductors,and tighten the captive screws to 0.5–0.6 N·m.No special tools or torque drivers are required—standard electrician screwdrivers suffice.The transparent label window allows immediate documentation during installation.

For maintenance,the modular design shines:if a terminal shows signs of corrosion or damage,the entire DA7281520 P152 can be replaced in under 5 minutes without de-energizing the system or disconnecting other channels.Always power down the associated CHARM module before removal,though the terminal block itself carries no live logic.

We inspect every DA7281520 P152 for terminal integrity,plastic housing quality,and labeling clarity.Units are tested for mechanical retention force and compatibility with standard AWG 18–22 instrumentation cable.All stock is stored in ESD-safe,climate-controlled conditions to prevent material degradation.

Backed by a 12-month warranty and global logistics network,we ensure your DeltaV I/O infrastructure remains agile,reliable,and audit-ready.Whether you’re building a new pharmaceutical cleanroom or modernizing an oil refinery,the DA7281520 P152 delivers wiring simplicity without compromise.

选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！