AER4D-05 Yokogawa RTD Terminal Board

Yokogawa AER4D-05 CENTUM VP RTD Terminal Board

Yokogawa AER4D-05 CENTUM VP RTD Terminal Board

Availability: 10 left in stock

Yokogawa AER4D-05 Terminal Board The Yokogawa AER4D-05, also cataloged as the AER4D Terminal Board, operates as a dedicated hardware component...

SKU: AER4D-05

Manufacturer: Yokogawa
Product No.: AER4D-05
Product Type: Terminal Boards
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AER4D-05 Terminal Board

The Yokogawa AER4D-05, also cataloged as the AER4D Terminal Board, operates as a dedicated hardware component for RTD signal termination within Yokogawa CENTUM VP DCS platforms.

Suffix Breakdown & Model Matrix

The model and suffix code combination defines the hardware options for the AER4D series:

AER4D: Terminal Board for resistance temperature detectors (single and dual-redundant, 16-channel)
-0: Without surge absorber
5: Basic type with no explosion protection

Hardware Specifications

Parameter	Specification
Model	AER4D-05
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	1.5 kg
Dimensions	Standard DIN-mount marshalling board dimensions
Operating Temp	-20 deg C to +70 deg C
Power Consumption	Passive physical terminal board
Signal Type	Resistance Temperature Detector (RTD)
Channel Count	16 channels
Terminal Type	M4 screw terminals
Compatible Modules	AAR145 RTD Input Module
Compatible Cables	KS1 / AKB335 cable assemblies
Insulation Resistance	>= 100 M-ohm at 500 VDC
Withstand Voltage	500 VAC for 1 minute

Cold Junction Compensation & DCS Temperature Sensing Characteristics

The AER4D-05 terminal board routes 16 independent RTD measurement channels directly to AAR145 I/O modules via KS1 or AKB335 system cables. Dedicated internal tracing preserves linear resistance-to-temperature conversions while isolating raw analog signal paths from industrial noise sources. The board maintains precise line resistance balance across 3-wire RTD configurations, providing stable input values for cold junction compensation calculations and preventing thermal gradient drift from affecting plant control system loops.

Frequently Asked Questions

Q: Does the AER4D-05 support dual-redundant I/O module configurations?

A: Yes. The AER4D-05 terminal board incorporates twin system cable connectors on its PCB layout. This design allows technicians to cross-connect two AKB335 or KS1 cables simultaneously to pair redundant AAR145 RTD input modules without interrupting active field device wiring.

Q: Can field technicians install additional surge suppression components onto the AER4D-05 board?

A: The "-0" suffix indicates that the factory ships this base terminal board without built-in surge absorbers. For installations subject to high-voltage transients, technicians must install external inline surge barriers on field terminal lines before terminating cables onto the M4 screws.

Field Installation Guidelines

Technicians must strip field wiring conductors to appropriate lengths and terminate them onto the M4 screw terminals using ring or spade lugs, torquing screws to 1.2 N m to prevent loose contact resistance. Route multi-core RTD signal cables through dedicated low-voltage wire ducts, maintaining at least 300 mm separation from AC power lines to avoid inductive noise coupling. Ground the overall cable shield braid at the cabinet earthing bar at one end only to prevent loop currents from disturbing millivolt-level resistance measurements. When installing the board on a panel frame, verify that structural ground connections maintain direct metal-to-metal contact with the enclosure backplate.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.