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EXT*A

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Yokogawa EXT*A is a long-format extension card that provides BRAIN terminal access to a CENTUM signal-conditioner slot for commissioning and maintenance.
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Technical specifications for EXT*A

  • Manufacturer:
    Yokogawa
  • Part Number:
    EXT*A
  • Product Family:
    Yokogawa DCS system
  • Product Type:
    Extension Card
  • Stock:
    1
  • Primary function:
    Extension access for signal-conditioner servicing
  • Terminal support:
    BRAIN terminal maintenance access
  • Power requirement:
    No external power required
  • Operating temperature:
    0 to 50 °C
  • Relative humidity:
    5 to 90% RH, non-condensing
  • Style code:
    A
  • Model designation:
    EXT
  • Card description:
    Extension card for BRAIN terminal
  • Host equipment:
    Yokogawa signal-conditioner nest
  • Signal conversion:
    Not applicable
  • Process I/O terminals:
    No direct process I/O function
  • Weight:
    0.441 lbs (0.2 kg)
  • Estimated shipping dimensions:
    7.2 x 2.3 x 24.3 cm
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Integration Compatibility & Interoperability Safety

Features:

  • Extends a conditioner card outside the rack for maintenance access.
  • Provides a service connection compatible with BRAIN terminal work.
  • Operates passively without a separate power feed.
The A-style extension card is a maintenance accessory rather than an input or output conditioner.

It exposes a working card where adjustment and test points can be reached safely during service.

Connector keying, rack isolation and physical support require attention before any extended testing begins.

Apter Power can review sourcing, documentation and system matching for EXT*A.
Verified resources for Yokogawa EXT*A: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Commissioning teams can access a conditioner that would otherwise be recessed inside the card cage.
  • Troubleshooting work uses the extension position for BRAIN terminal communication and observation.
  • Workshop verification can reproduce the rack connection while keeping the serviced card physically accessible.
  • The long card form brings the operating module beyond the front of the rack.
  • BRAIN terminal work can be performed without reaching into the card cage.
  • The extended assembly should be mechanically supported throughout the service procedure.
  • Use is limited to the documented Yokogawa signal-conditioner card arrangement.
  • Card-edge alignment must match the host slot before any module is fitted.
  • The extension does not change the electrical type of the conditioner under test.
  • Rack power should be isolated before the extension card is installed or removed.
  • Exposed circuitry requires normal electrostatic-discharge controls during maintenance.
  • The adapter is intended for supervised service access, not unattended permanent operation.
Description
EXT*A extends an installed signal-conditioner connection to an accessible working position. Its 243 mm depth provides space for test and adjustment while retaining the card-edge relationship to the host rack.

Technicians use the extension path with a BRAIN terminal when a conditioner must be observed or adjusted outside the crowded card cage. The adapter is passive and does not require its own power supply.

The host slot, card orientation and connector alignment must be confirmed before insertion. The extension assembly is a service aid and should not be treated as a permanent substitute for the correctly seated operating card.
Alternative Names
EXT*A Yokogawa EXT*A EXT Star A EXTSTARA EXTA EXT*A Extension Card Yokogawa CENTUM Signal Conditioner Cards Yokogawa EXT*A Extension Card
Technical notes
Insert Yokogawa EXT*A with rack power isolated and support the extended assembly; misalignment can damage the host connector.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What service function is provided by Yokogawa EXT*A?
It brings a signal-conditioner connection out of the rack so the working card and BRAIN terminal are accessible.
Does Yokogawa EXT*A replace a specific conditioner type?
No. It is a passive extension accessory and the actual conditioner still determines the measurement function.
When is Yokogawa EXT*A most useful in a control room?
It is useful during commissioning, calibration and fault finding where the installed slot is difficult to reach.
How should Yokogawa EXT*A be requested when supply status is uncertain?
Quote the full A-style identity and confirm that the intended rack uses the documented conditioner-card interface.
What handling precaution applies before fitting Yokogawa EXT*A?
Isolate rack power, check connector orientation and support the extended card to avoid edge-connector damage.
Which details belong in a Yokogawa EXT*A sourcing request?
Include the host cabinet, conditioner model to be serviced, quantity and delivery destination.

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