Analog Input Module - AI 4 x TC, 16-Bit - 600-254-4AD01

General characteristics
• 4 inputs, electrically isolated from the backplane bus
• 4 process input words
• 4 process output words (for temperature compensation)
• Measuring range of ±80 mV
• Supported thermocouples: E, J, K, N, R, S, T, B, C, L
• Measurement resolution of 15 bits + sign
• External or internal temperature compensation
• Diagnostic messages
• 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 (for ±80 mV only)
• Temperature unit: Celsius x 10 | Fahrenheit x 10 | Kelvin x 10

Parameters for each channel
• Wire break detection: ON | OFF
• Interference frequency suppression: None | 10 Hz | 50 Hz | 60 Hz | 400 Hz
• Measuring range: ±80 mV
• Thermocouples: E | J | K | N | R | S | T | B | C | L
• Temperature compensation: Internal | External | Process data-based
• Limit value alarms enabled: ON | OFF
• Upper/lower limit: 16-bit analog value (±27648)