Parameters for the TB20 analog input module
- Diagnostic alarm: On | Off
- Overflow/underflow diagnosis: On | Off
- Representation values: SIMATIC* S7 | SIMATIC* S5
- 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: 150 ohms / 300 ohms / 600 ohms / 3000 ohms / 6000 ohms / PT100 / PT1000 / Ni100 / Ni1000 / LGNi1000
- Sensor type: Disabled | 2-wire | 3-wire (channel 0 only) | 4-wire (channel 0 only)
- Limit value alarms enabled: On | Off
- Upper/lower limit: 16 bit analog value (?27648)
- Measuring ranges: 150 ohms, 300 ohms, 600 ohms, 3,000 ohms, 6,000 ohms, Pt100, Pt1000, Ni100, Ni1000, LG-Ni1000, individually configurable for each channel
- Can accommodate 2/3/4-wire sensors
- Measurement resolution: 15 bits + sign
- Diagnostic messages
- Wire break detection
- Limit value alarms for each channel
- A bi-color LED (blue/red) indicates the module operating status and any malfunctions
- 1/2 inputs for measuring resistance, electrically isolated from the backplane bus
- 2 process input words
Part of the Helmholz decentralized fieldbus I/O system – TB20
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