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16 Channel YOKOGAWA Flex Io Analog Input MODULE AAT145-S00

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These modules receive signals from mV, thermocouple (TC), RTD, and potentiometer (POT), and they are isolated

between the field and the system as well as in between each channel. They can be used in dual-redundant

configuration.

Items		Speciﬁcations
Model		AAT145	AAR145
Number of input channels		16, isolated channels	16, isolated channels
Input signal		TC: JIS C1602:1995 (1), IEC584:1995 Type J, K, E, B (2), R, S, T, N mV: -100 to 150 mV, -20 to 80 mV	RTD: JIS C1604:1997 (*3), IEC751:1995 Pt100 (3-wire type) POT: Total resistance 100 Ω to 10 kΩ Span resistance: 50 % or larger of total resistance
Switching input signals		TC/mV can be set individually for CH1 to CH16.	RTD/POT can be selected individually for CH1 to CH16.
Allowable input voltage		±5 V	±5 V
Withstanding voltage		Between input and system: 500 VAC (for single card: 1500 VAC), For 1 minute Between input channels: 200 VAC, For 1 minute
Input resistance	Power ON	1 MΩ or larger
	Power OFF	1 MΩ or larger
Accuracy		±40 µV	RTD: ±150 mΩ POT: ±0.2 %/FS
Allowable total resistance of signal source plus wiring		1000 Ω or less	150 Ω or less (wiring resistance per wire) (*4)
Effect of allowable signal source resistance (1000 Ω)		±20 µV	—
Reference junction compensation accuracy		±1 °C (*5) (6)
Measurement current			RTD: 1 mA
Data update period		1 s
Burn-out		All channels can be set together. Setting: not available/available (UP/DOWN) Detection time: 60 s
Temperature drift		±80 µV/10 °C	RTD: ±0.3 Ω/10 °C POT: ±0.4 %/10 °C
Maximum current consumption		350 mA (5 V DC)	350 mA (5 V DC)
Weight		0.3 kg
External connection		Dedicated cable (KS1)	Dedicated cable (KS8/AKB335)