Yokogawa AAV144-S50/A4S10 CENTUM VP Analog Input/Output Module
Configured for precise analog signal processing in CENTUM VP platforms, the Yokogawa AAV144-S50/A4S10 (AAV144 Analog Input/Output Module) provides direct physical/electrical execution across ESB and ER bus subsystems.
Suffix Breakdown & Model Matrix
| Suffix Code | Functional Description |
|---|---|
| AAV144 | Base model analog input/output module (16 input channels, 16 output channels) |
| -S | Standard switchover and functional type |
| 5 | Standard connector connection type |
| 0 | Basic functional specification |
| /A4S10 | Dual-redundant execution card option with KS Cable Interface |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAV144-S50/A4S10 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg |
| Dimensions | 25 mm x 120 mm x 130 mm |
| Operating Temp | 0 to +55 deg C |
| Power Consumption | 24 VDC nominal (Backplane supplied via node unit) |
| Analog Inputs | 16 isolated channels |
| Analog Outputs | 16 channels |
| Input Signal Ranges | 1 to 5 VDC, -10 to +10 VDC |
| Output Signal Range | 4-20 mA DC |
| Input Resolution | 16-bit A/D conversion |
| Output Resolution | 16-bit D/A conversion |
| Isolation | 1500 VAC channel-to-system and channel-to-channel isolation |
Process Control and Channel Isolation
The Yokogawa AAV144-S50/A4S10 manages concurrent signal acquisition and output execution across 16 input and 16 output channels. Operating with an input update period of 10 ms, the onboard circuitry isolates analog loops via 1500 VAC galvanic separation to shield internal system buses from external ground currents and electromagnetic interference. The module maintains input resistance parameters at 1 MΩ during powered operation and 200 kΩ when powered down, ensuring circuit stability and preventing signal loading across connected 4-20 mA HART loops.
Frequently Asked Questions
Q: How does the AAV144-S50/A4S10 handle module switchover in dual-redundant node configurations?
A: The onboard control logic executes automatic, bumpless switchover between paired primary and secondary modules without interrupting active 4-20 mA output signals or dropping process values on the ESB bus.
Q: What physical system chassis types accommodate the AAV144-S50/A4S10 module?
A: The unit mounts directly into Yokogawa FIO node units, including ANB10D, ANB10S, ANT502, and ANR10D chassis structures via standard backplane connectors.
Field Installation Guidelines
Verify that total backplane power remains disconnected before inserting the module into the designated FIO rack slot. Align the card edges with the chassis guide channels and seat the rear bus connectors completely until top and bottom latches click into place. Route field input and output cabling through shielded, twisted-pair wiring, ensuring cable shields terminate at designated cabinet grounding busbars to maintain 1500 VAC galvanic decoupling integrity.
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