The Yokogawa ASR133-S00, also cataloged as the ASR133 RTD/POT Input Module, operates as a dedicated hardware component for temperature and potentiometer analog telemetry acquisition within CENTUM VP, CENTUM CS, and CENTUM XL platforms.
| Parameter | Specification |
|---|---|
| Model | ASR133-S00 ( Paired with ATSR3S-0 / ATSR3S-00 Terminal Assembly ) |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.2 kg (0 lbs 6.2 oz) |
| Dimensions | 3.3 cm x 11.2 cm x 6.1 cm (1.3 in x 4.4 in x 2.4 in) |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | System backplane driven via FIO bus architecture |
| Channel Capacity | 8 channels |
| Supported Signal Inputs | RTD (Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni200, Ni120) and POT (0-10 kOhm) |
| Wiring Configuration | 2-wire, 3-wire, or 4-wire hardware topology |
| Connection Mechanism | Tool-free pressure-clamp screw-less terminal architecture |
| Dielectric Isolation | 1500 VAC for 1 minute |
| Insulation Resistance | Minimum 100 MOhm @ 500 VDC |
The Yokogawa ASR133-S00 utilizes extensive channel-to-channel isolation parameters to block field-side common-mode noise spikes from disrupting adjacent temperature measurement networks. The module works directly with the ATSR3S pressure clamp assembly, using tool-free connection plates to eliminate terminal resistance changes caused by mechanical relaxation. When running resistance temperature detector tracks, the underlying logic evaluates real-time line resistance compensation schedules across 3-wire and 4-wire layouts, preventing thermal gradients from shifting accuracy across the 8-channel analog acquisition layout.
Q: How does the system handle high-resistance signal variations over extended 2-wire RTD field layouts?
A: 2-wire runs are susceptible to copper lead-wire resistance anomalies which induce temperature measurement drift. For high-accuracy process loops, you must use 3-wire or 4-wire hardware configurations to let the internal computing layer actively track and cancel line resistance deviations.
Q: Is hot-swapping or live wiring modification permitted directly at the ATSR3S terminal block?
A: No. The ATSR3S pressure-clamp assembly is not hot-swappable. You must completely de-energize the field wiring paths before inserting or releasing conductors to prevent electrical transients from passing back into the active ASR133 input module.
Q: Where are the primary galvanic isolation circuits located within this dual-component system?
A: The physical ATSR3S terminal block functions purely as a dry wiring routing interface and contains no signal processing circuits. The 1500 VAC dielectric strength and isolation shielding are located inside the paired ASR133 module housing.
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