Yokogawa AAR145-S50 RTD/POT Input Module

Frequently Asked Questions (FAQ)

Q1: What RTD sensors are supported by the AAR145-S50?
A1: The module supports 3-wire Pt100 RTDs conforming to JIS C1604:1997 and IEC751:1995.

Q2: Can RTD and POT inputs be mixed?
A2: Yes. Each input channel can be independently configured for either RTD or POT.

Q3: What is the allowable resistance range for POT inputs?
A3: POTs must have total resistance between 100 Ω and 10 kΩ, with a span of at least 50% of the total resistance.

Q4: Is input isolation provided between channels?
A4: Yes. Channels are isolated from each other and from the system.

Q5: Does the AAR145 support thermocouple inputs?
A5: No. It only supports RTD and POT. For thermocouples, use models like AAT145.

Q6: Which control systems is this module compatible with?
A6: Compatible with control systems such as AFV30, AFV40, AFV10, and AFF50.

Q7: What is the maximum wiring resistance allowed for RTD inputs?
A7: The wiring resistance must not exceed 150 Ω per wire, and resistances for INA and INC must be equal.

Q8: What is the data update period of the AAR145?
A8: The module updates data every second (1-second update cycle).

AAR145-S50 RTD/POT Input Module Yokogawa

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