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Category
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Specification
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Model
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SAI143-H33 S2
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Number of Input Channels
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16 channels, module isolation (*5)
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Rated Input Range
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4 to 20 mA
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Permissible Input Range
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0 to 25 mA
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Data Update Frequency
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40 ms
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Temperature Drift
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±16 µA/10 °C
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Transmitter Power Supply
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16.15 V minimum (at 20 mA), 26.4 V maximum (at 0 mA)
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Output Current Limit
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25 mA
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2/4-Wire Setting
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Individual channel setting, changed by setting pins
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Withstand Voltage
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1.5 kV AC between input signal and system for 1 minute (*2)
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Maximum Current Consumption (5 V System)
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320 mA
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Maximum Current Consumption (24 V System)
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550 mA
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Support PRM
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Available (SAI143-H)
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Transmitter Power Supply ON/OFF Function
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Available in 2-wire setting, for all 16 channels at the same time
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1: No Zener barriers can be connected to this module. An isolation barrier should be used when an intrinsic safety instrumented system is used.
2: 500 V AC when dedicated signal cable is used.
3: ±32 µA (input range under 0.05 mA) (Style code S3 or later)
4: Rated accuracy of style code S3 or later is ±16 µA (Input range 0.05 to 23 mA).Rated accuracy of style code S2 or earlier is ±16 µA (Input range 1 to 23 mA).
5: When SAI143-S3 or SAI143-HC is used in the ambient temperature more than 60°C, number of input channels which a user can use is restricted. Refer to “ProSafe-RS Outline of I/O Modules (for FIO)” (GS 32P06K60-01EN).
6: The maximum voltage drop in the input protection circuit is 0.45 V. The module input impedance varies from 272.5 Ω (20mA) to 362.5 Ω (4 mA).
7: This function enables to reset the alarm state of Fire and Gas devices by turning off the transmitter power supplied from this module in 2-wire setting.Supported by R4.03.00 or later and style code S4 or later
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