Category	Specification
Model	SAI143-H33 S2
Number of Input Channels	16 channels, module isolation (*5)
Rated Input Range	4 to 20 mA
Permissible Input Range	0 to 25 mA
Data Update Frequency	40 ms
Temperature Drift	±16 µA/10 °C
Transmitter Power Supply	16.15 V minimum (at 20 mA), 26.4 V maximum (at 0 mA)
Output Current Limit	25 mA
2/4-Wire Setting	Individual channel setting, changed by setting pins
Withstand Voltage	1.5 kV AC between input signal and system for 1 minute (*2)
Maximum Current Consumption (5 V System)	320 mA
Maximum Current Consumption (24 V System)	550 mA
Support PRM	Available (SAI143-H)
Transmitter Power Supply ON/OFF Function	Available in 2-wire setting, for all 16 channels at the same time

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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