
| YOKOGAWA / FIO MODULE AAP135-S50 |
01 DETAILS 02 CONTACT 03 FAQ 04 AMIKON 05 RELATED |
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MODULE
01
FIO
PULSE INPUT 8 CHANNEL |
PRECISION FIELD INTERFACE
AAP135-S50
Pulse Input Module
An 8-channel isolated pulse-input module for Yokogawa FIO applications, supporting contact ON/OFF, voltage pulse and current pulse inputs with a specified input frequency range of 0 to 10 kHz.
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MODEL CODE
AAP135
-S50 TYPE YOKOGAWA
FIO SERIES |
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CHANNELS
8
isolated
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FREQUENCY
0–10 kHz
input range
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PULSE WIDTH
40 μs
minimum
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ISOLATION
500 V AC
1 minute
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UPDATE
2 ms
data update
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02 / TECHNICAL
Engineering
Profile FIELD INPUT
SIGNAL CONDITIONING ISOLATION FIO CONNECTION |
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A
INPUT PATH 01
Contact Input
The module supports relay-contact and transistor-contact input conditions with specified open and close resistance levels.
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B
INPUT PATH 02
Voltage Pulse
Voltage pulse input uses the specified high-level and low-level ranges, with a minimum 3 V swing between VH and VL.
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C
INPUT PATH 03
Current Pulse
Current pulse input is supported, with the current signal converted to voltage for the input circuit.
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| COMPATIBLE FIO ROUTE | AAP135 is used within Yokogawa FIO configurations. For applicable terminal-board arrangements, the A1BA4D terminal board is specified for AAP135 together with the ATK4A connection adapter and KS1 connection cable. :contentReference[oaicite:1]{index=1} |
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04 / SERIES
AAP135
Family |
The AAP135 family is Yokogawa's pulse-input module family with eight isolated input channels. It is designed to receive contact ON/OFF, voltage pulse and current pulse signals and supports input frequencies from 0 to 10 kHz. :contentReference[oaicite:2]{index=2}
AAP135 is also shown in Yokogawa's CENTUM VP/FIO compatibility material among the available I/O modules. :contentReference[oaicite:3]{index=3}
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05 / PROCUREMENT
AAP135-S50
Request Desk For quotation requests, please provide the model and application details so the required configuration can be checked efficiently.
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Q / 01
What should be checked before replacing AAP135-S50 in an existing FIO cabinet?
Check the exact module designation, field signal type, channel requirement, wiring arrangement and the terminal-board/adapter configuration used by the existing FIO installation. AAP135 is associated with specific FIO connection components, so the complete connection arrangement should be confirmed before replacement. :contentReference[oaicite:4]{index=4}
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Q / 02
Can AAP135-S50 replace a pulse-input point when the field device uses current pulses?
AAP135 supports current pulse input, with current input converted to voltage within the input circuit. The actual field wiring must still match the specified input arrangement and electrical limits. :contentReference[oaicite:5]{index=5}
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Q / 03
Does AAP135-S50 provide isolation between individual input channels?
Yes. AAP135 is specified with isolated channels. The specification also gives 500 V AC for one minute as the withstanding voltage between channels and between input and system. :contentReference[oaicite:6]{index=6}
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Q / 04
Is AAP135-S50 appropriate for higher-speed pulse counting?
The specified input frequency range is 0 to 10 kHz, with a minimum input pulse width of 40 μs. Whether it fits a particular counting task should be checked against the actual pulse frequency, pulse width and field signal characteristics. :contentReference[oaicite:7]{index=7}
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Can AAP135-S50 supply power to a two-wire transmitter?
Yes. The AAP135 specification allows transmitter power supply in applicable two-wire input arrangements. The specified transmitter supply options are 12 V DC and 24 V DC, with corresponding current limiter values. :contentReference[oaicite:8]{index=8}
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AFTER-SALES
Return / Replacement
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Please contact us within 7 days after receiving the items if you have any questions. Returned items should remain in their original condition, together with the specific reason for the return. After the returned item is received, a return or replacement can be arranged according to the case. The buyer is responsible for the shipping costs incurred for the return. |
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AMIKON
Industrial Automation Parts & Global Support
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YOKOGAWA AAP135-S50 Pulse Input Module |



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