Configured for signal termination in CENTUM VP and CS 3000 environments, the Yokogawa ATI3S-00 (ATI3S-00 Terminal Module) provides direct physical electrical execution for analog and pulse signal integration.
| Parameter | Specification |
|---|---|
| Model | ATI3S-00 |
| Brand | Yokogawa |
| Origin | USA |
| Weight | 0.2 kg |
| Dimensions | 120 mm x 80 mm x 40 mm |
| Operating Temp | -40 deg C to +85 deg C |
| Power Consumption | 24 V DC nominal |
| Signal Capacity | 8 channels (AAI135/AAP135) or 4 input/4 output (AAI835) |
| Dielectric Strength | 1500 V AC for 1 minute |
The ATI3S-00 facilitates the acquisition of thermocouple, RTD, millivolt, and resistance sensor inputs, converting these inputs into 4-20 mA HART loop protocol outputs. To maintain signal precision, the module utilizes integrated cold junction compensation (CJC), which corrects for thermal gradients at the terminal connection points. Galvanic isolation between the input, output, and power circuits protects the control system from field-side surges and ground loops. This architecture ensures stable signal transmission across the FIO subsystem, adhering to stringent EMC requirements necessary for high-accuracy process measurement.
Q: How does the module maintain accuracy for thermocouple inputs?
A: The module executes integrated cold junction compensation (CJC) algorithms that calculate the temperature at the terminal block, applying the necessary offset to the thermocouple reading to ensure precise conversion to the 4-20 mA output.
Q: Is this terminal module compatible with all Yokogawa FIO series modules?
A: It is designed specifically for use with AAI135, AAP135, and AAI835 analog/pulse modules. Verify the specific channel configuration requirements against the target I/O module before installation.
Q: Does the module require additional surge protection?
A: This specific variant (ATI3S-00) does not include an integrated surge absorber. If the installation environment presents high transient voltage risks, supplemental external surge protection devices must be installed on the field wiring.
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