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YOKOGAWA ANALOG I/O PLATFORM / STYLE S2
AAI835-S00
Isolated 4–20 mA analog I/O module with four current inputs and four current outputs, designed for field signal conversion within Yokogawa FIO architectures.
4 INPUT CHANNELS 4 OUTPUT CHANNELS 4–20 mA
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Signal Architecture
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Electrical Performance
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Isolation & Protection
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Physical & Connection Details
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FIELD DEVICES
4–20 mA transmitters / analog field loops
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AAI835-S00
4 isolated current inputs + 4 isolated current outputs
Signal conversion between field analog loops and internal FCS data
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FIO / FCS SIDE
ESB bus node units / optical ESB bus node units / AFV field control units
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AAI135
8 isolated 4–20 mA inputs
Input-focused architecture
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AAI835-S00
4 isolated inputs + 4 isolated outputs
Balanced analog I/O architecture
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AAI841
8 inputs + 8 outputs, non-isolated
Higher channel count, different isolation architecture
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AAI835-S00 / Style S2
For quotation, compatibility checks and delivery planning, please provide the required quantity, destination and required date.
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Can AAI835-S00 handle both analog measurement and analog control loops?
Yes. AAI835-S00 combines four isolated 4–20 mA input channels with four isolated 4–20 mA output channels. This makes the module relevant when a cabinet design needs both process acquisition and analog command signals within the same I/O module.
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Is AAI835-S00 suitable when channel-to-channel isolation matters?
The AAI835 architecture provides isolation between the field and system and between channels. Its specified withstand voltage is 500 V AC for one minute between input/output and system and between input/output channels, subject to the applicable connection arrangement.
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What output load should be checked before ordering AAI835-S00?
The specified allowable load resistance for the 4–20 mA output is 0–750 Ω. When replacing an installed module, the complete loop should therefore be checked against the connected receiver, wiring and other loop resistance before final selection.
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Does AAI835-S00 support a redundant I/O arrangement?
The AAI835 family can be used in a dual-redundant configuration. For an installed replacement, the node arrangement, adjacent slot requirements where applicable, module style and the existing system engineering should be checked together rather than treating the part number alone as the complete configuration.
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What should be confirmed when replacing AAI835-S00 in an existing cabinet?
Confirm the installed I/O architecture, module style, signal type, channel allocation, terminal or cable interface, redundancy arrangement and environmental requirements. AAI835-S00 is the basic standard variant; variants with HART communication, explosion protection or other environmental options use different suffix selections and should not be substituted solely by matching the AAI835 family name.
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Loop Compatibility
4–20 mA input and output architecture with isolated channels.
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Replacement Check
Verify channel assignment, interface accessories and node configuration before installation.
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Signal Integrity
Channel isolation and defined withstand characteristics support separated analog loops.
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16+
Years in automation supply
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551,867+
Spare parts coverage
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128+
Manufacturers available
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Global Parts Connection
Our business scope is wide, and we can provide all kinds of parts for customers around the world.
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Return / Replacement Policy
Please contact us within 7 days if you have any question after you receiving the items.
The returned items has to be in its original condition, with a specific reason for the return. We will issue a return or replacement for your order after we received the returns.
The buyer is responsible for all the shipping cost incurred.
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