ADV169-P00 Yokogawa ST6 Datasheet & Technical Manual

Analog Terminal Board | Yokogawa AEA4D-06 CENTUM VP

Analog Terminal Board | Yokogawa AEA4D-06 CENTUM VP

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Yokogawa AEA4D-06 Analog Terminal Board The Yokogawa AEA4D-06, also cataloged as the AEA4D Terminal Board for Analog, operates as a...

SKU: AEA4D-06

Manufacturer: Yokogawa
Product No.: AEA4D-06
Product Type: Analog Terminal Boards
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AEA4D-06 Analog Terminal Board

The Yokogawa AEA4D-06, also cataloged as the AEA4D Terminal Board for Analog, operates as a dedicated hardware component for 16-channel single or dual-redundant field signal termination within CENTUM VP and CS 3000 control systems.

Suffix Breakdown & Model Matrix

The alphanumeric suffix codes define the protection levels, build variants, and environmental options for this terminal assembly:

AEA4D: Base model designation for an analog terminal board supporting 16 channels with single and dual-redundant interface topologies.
-0: Specifies the omission of integrated surge absorbers within the signal loops.
6: Denotes the inclusion of factory-applied ISA Standard G3 conformal coating for enhanced corrosion protection, configured without explosion-proof certifications.

Hardware Specifications

Parameter	Specification
Model	AEA4D-06
Brand	Yokogawa
Origin	Japan
Weight	1.5 kg
Dimensions	Standard 19-inch rack-mountable footprint
Operating Temp	0 to 55 deg C
Power Consumption	Negligible (Passive termination board)
Channel Capacity	16 channels, dual-redundant support (32 total terminal points)
Terminal Screw Type	M4 screw terminals
Interface Cable	KS1 dedicated multi-conductor cable
Insulation Resistance	>= 100 MΩ at 500 VDC
Withstanding Voltage	500 VAC for 1 minute
Compatible Modules	AAI135, AAI835, AAP135, AAI141, AAV141, AAV142, AAV144, AAB841, AAI841, AAV542, AAV544, AAI143, AAI543

Process Control Instrumentation Interface

This hardware supports 4-20 mA HART loop protocol passes and diverse analog voltage vectors by operating as an unpowered, transparent physical interface layer between field transmitters and FIO modules. The integrated ISA Standard G3 conformal layer prevents atmospheric degradation from corrosive elements, ensuring long-term contact integrity across all 32 M4 screw points. Circuit traces route signals through dedicated redundant termination paths, allowing secondary FIO modules to continuously poll input variables without interrupting loop current stability. A dedicated ground bus establishes low-impedance pathways for drain wires, enforcing cross-talk suppression and maintaining channel isolation metrics under extreme common-mode voltage fluctuations.

Frequently Asked Questions

Q: Can this terminal board remain active during the replacement of a faulty I/O module?

A: Yes. Because the AEA4D-06 is a completely passive termination board, the connected FIO modules can be hot-swapped without disconnecting the field wiring from the M4 terminals or disrupting the redundant signal bus.

Q: What are the primary installation limitations dictated by the suffix code 6 variant?

A: The suffix code 6 explicitly states this board lacks explosion protection. It cannot be installed within hazardous areas (Class I, Div 1/2 or ATEX Zones) without an approved external intrinsic safety barrier or explosion-proof enclosure.

Field Installation Guidelines

19-Inch Chassis Grounding: Mount the terminal board securely onto the standard 19-inch rack frame using grounding washers to guarantee direct metal-to-metal continuity between the board chassis and the master cabinet ground.
Field Wiring Termination: Strip individual field analog pairs back uniformly, crimp onto M4 insulated ring terminals, and torque the terminal screws to standard engineering limits to maintain less than 100 MΩ insulation degradation.
KS1 Cable Retention: Route the KS1 system cable through the integrated strain reliefs, seating the high-density connector firmly into the matching board receptacle before securing the retaining clips.
Shield Isolation: Terminate field cable shields directly to the designated instrument ground rail on the board, ensuring the shield remains ungrounded at the field device end to prevent ground loop currents from corrupting the 4-20 mA signals.

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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.

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