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Yokogawa AAI835-H03 S1 Analog I/O Module
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Warranty：1 year
Condition：Brand new and factory sealed
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Detail
- Product NameYokogawa AAI835-H03 S1 Analog I/O Module
- Item NO.AAI835-H03 S1
- Weight0.2000 kg = 0.4409 lb = 7.0548 oz
- CategoryDCS> Yokogawa
- BrandYokogawa
- Creation Time2026-08-26
- 4 isolated 4–20 mA inputs and 4 isolated 4–20 mA outputs
- HART communication for compatible smart field devices
- 10 ms data update period
- Official technical data from Yokogawa GS documents
ANALOG I/O MODULE
DESK
Jim Pei
sales1@apterpower.com
ZXH18020776782
+86 18020776782
| PARAMETER | OFFICIAL SPECIFICATION |
| Input Signal | 4 to 20 mA DC |
| Output Signal | 4 to 20 mA DC |
| Input Channels | 4 isolated channels |
| Output Channels | 4 isolated channels |
| Allowable Input Current | 25 mA |
| Input Resistance, ON at 20 mA | 290 Ω |
| Input Resistance, ON at 4 mA | 450 Ω |
| Input Resistance, Power OFF | 500 kΩ or larger |
| Output Load Resistance | 0 to 750 Ω |
| Output Load at 60 to 70 °C | 200 to 750 Ω |
| Circuit-Open Detection | Less than 0.65 mA |
| Input Accuracy | ±16 µA |
| Output Accuracy | ±48 µA |
| Data Update Period | 10 ms |
| Transmitter Supply at 20 mA | 15.0 V DC or higher |
| Transmitter Supply at 0 mA | 29.3 V DC or lower |
| Temperature Drift | ±16 µA per 10 °C |
| 5 V DC Current Consumption | Maximum 360 mA |
| 24 V DC Current Consumption | Maximum 450 mA |
| I/O-to-System Withstand | 500 V AC for 1 minute |
| Channel-to-Channel Withstand | 500 V AC for 1 minute |
| HART Device Capacity | Maximum 16 devices/module |
| HART Variable Capacity | Maximum 32 points/module |
| HART Protocol Function | Revision 5.7 |
| Supported HART Devices | HART 5, 6 and 7 |
| HART Rate | 1200 ±2 bps |
| HART Mark Frequency | 1200 Hz ±1% |
| HART Space Frequency | 2200 Hz ±1% |
| HART Message Length | 5 to 267 bytes |
| HART Preamble | 5 to 20 bytes |
| HART Serial Frame | 1 start / 8 data / odd parity / 1 stop |
| Code 3 Environment | ISA Standard G3 and −20 to 70 °C |
AAI835-H03 S1 is a Yokogawa isolated analog I/O module for CENTUM VP FIO systems, providing four 4–20 mA input channels and four 4–20 mA output channels. Its 10 ms data update period supports responsive control-loop processing, while 500 V AC channel and system isolation strengthens signal integrity. The H suffix identifies integrated HART communication for compatible smart field devices. This Yokogawa analog current I/O module helps connect transmitters and valve positioners to a field control station through a channel-isolated architecture. It is designed for dependable process signal acquisition and command output in distributed control system environments. For replacement, maintenance, and expansion projects, AAI835-H03 S1 helps preserve established CENTUM VP automation infrastructure.
— HART communication for compatible smart field instruments.
— 2-wire or 4-wire transmitter arrangements.
— Dual-redundant configuration support.
— 4–20 mA valve positioner control.
— FIO maintenance, retrofit and expansion.
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We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
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