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Frequently inquire Together
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InquiryYokogawa AAB841-S03/M4A00 Analog I/O Module
The Yokogawa AAB841-S03/M4A00, also cataloged as the AAB841 analog I/O module, operates as a rack-mounted PCB assembly for voltage input and current output signal processing within Yokogawa control systems.
Suffix Breakdown & Model Matrix
- AAB841: Analog I/O Module (1–5 V input, 4–20 mA output, 8-channel input/8-channel output, non-isolated)
- -S03: Standard type with ISA G3 option and extended temperature range (-20 to +70 deg C)
- /M4A00: Equipped with MAC2 compatible adapter (ATM4A-00)
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAB841-S03/M4A00 |
| Brand | Yokogawa |
| Origin | Yokogawa control platforms |
| Weight | 0.3 kg (shipping weight 1.5 kg) |
| Dimensions | Standard rack plug-in size |
| Operating Temp | -20 to +70 deg C (ISA G3 option) |
| Power Consumption | Supplied via backplane |
| Module Type | Analog I/O Module |
| Input Range | 1–5 VDC |
| Output Range | 4–20 mA |
| Channel Count | 8 inputs / 8 outputs |
| Isolation | Non-isolated |
| Adapter Option | MAC2 compatible adapter ATM4A-00 |
FOUNDATION Fieldbus / Profibus PA Connectivity
Although the AAB841-S03/M4A00 is a non-isolated analog I/O module, integration with Yokogawa systems often involves FOUNDATION Fieldbus or Profibus PA connectivity through external adapters. This ensures deterministic communication across distributed networks, while the MAC2 adapter option provides compatibility with legacy MAC2 interfaces. Channel grouping allows efficient scaling of analog signals in multi-loop environments.
Frequently Asked Questions
Q: Can the AAB841-S03/M4A00 operate in extended temperature environments? A: Yes, the -S03 suffix includes ISA G3 compliance and supports -20 to +70 deg C operation.
Q: Does the module provide isolation between channels? A: No, the AAB841 is a non-isolated analog I/O module; isolation must be managed externally.
Q: What adapter is included with the /M4A00 option? A: The /M4A00 option includes the MAC2 compatible adapter ATM4A-00.
Field Installation Guidelines
- Install module into designated rack slots; ensure full connector engagement.
- Maintain separation between analog wiring and high-voltage conductors to reduce interference.
- Verify MAC2 adapter orientation and secure harness connections.
- Observe environmental limits (-20 to +70 deg C) for reliable operation.
- Confirm grounding continuity for shielding layers to minimize EMI.
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