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Click for Partno list TB20 Analogue I/O AI 2xTC Iso 16bit AI 2xV 16Bit iso AI 4xI 12Bit AI 4xI Iso 16bit AI 4xV 12Bit AI 8xI Iso 16bit AI 8xTC Iso 16bit AO 4xI 12Bit AO 4xV 12Bit Automation Warehouse Ph: 0734880177 email: click	Note: indicative image may not reflect actual product ® STEP, S7-200, S7-300, S7-400, WinCC, SIMATIC are registered trademarks of Siemens	AI 4xI 12Bit Part Number: 600-250-4AD01 Description: Analog input module - AI 4 x I, 0/4-20 mA, ±20 mA, 12 Bit Characteristics • 4 analog inputs for measuring current, electrically isolated from the backplane bus • 4 process input words • Measuring ranges: 0-20 mA, 4-20 mA, ±20 mA, individually configurable for each channel • Measurement resolution: 12 bits + sign • Diagnostic messages • Wire break detection (for 4-20 mA) • Limit value alarms for each channel • A bi-color LED (blue/red) indicates the module’s operating status and any malfunctions Parameters for the module • Diagnostic alarm: On | Off • Overflow / underflow diagnosis: On | Off • Representation values: SIMATIC* S7 | SIMATIC* S5 Parameters for each channel • Wire break detection (for 4-20 mA only): On | Off • Interference frequency suppression: None | 10 Hz | 50 Hz | 60 Hz | 400 Hz • Measuring ranges: Disabled | 0-20 mA | 4-20 mA | ±20 mA • Limit value alarms enabled: On | Off • Upper/lower limit: 16-bit analog value (±27648) Login for Pricing