
Analog Input Module - AI 4 x I, 0/4-20 mA, ±20 mA, 12-Bit - 600-250-4AD01
General characteristics• 4 analog inputs for measuring current (electrically isolated from the backplane bus)• 4 process input words• Measuring ranges of 0–20 mA, 4–20 mA, ±20 mA, individually configurable for each channel• Measurement resolution of 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 Module parameters• 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 range: Disabled | 0–20 mA | 4–20 mA | ±20 mA• Limit value alarms enabled: ON | OFF• Upper/lower limit: 16-bit analog value (±27648)