TB20 Analog input module – AI 4x TC, Iso., 16 Bit

Parameters for the TB20 Analog input module

• 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 ranges: ?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)

Channel LED signals

• Measuring range ?80 mV
• Supported thermocouples: E, J, K, N, R, S, T, B, C, L
• Measurement resolution: 15 bits + sign
• External or internal temperature compensation
• Wire break detection
• Diagnostic messages
• Limit value alarms for each channel
• A bi-color LED (blue/red) indicates the module operating status and any malfunctions
• Red/green bi-color LEDs (one for each channel) indicate the channel status
• 4 inputs, electrically isolated from the backplane bus
• 4 process input words
• 4 process output words (for temperature compensation)

Part of the Helmholz decentralized fieldbus I/O system – TB20