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AI 4xI 12Bit
Part No: 600-250-4AD01
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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)