TB20 AI, 16 Bit, I
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 (only for 4 … 20 mA): On | Off
- Interference frequency suppression: None | 10 Hz | 50 Hz | 60 Hz | 400 Hz
- Measuring ranges:?Deactivated | 0 … 20 mA | 4 … 20 mA | ?20 mA
- Limit value alarms enabled: On | Off
- Upper/lower limit: 16 bit analog value (?27648)
- Channels electrically isolated from each other and from the backplane bus
- Measuring ranges 0 ... 20 mA, 4 ... 20 mA, ±20 mA, individually configurable for each channel
- Measurement resolution: up to 15 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 operating status and any malfunctions
- Red/green bi-color LEDs (one for each channel) indicate the channel status
- analog inputs for measuring current
| Electrical isolation | ||
| from the backplane bus | Yes | |
| Between the channels | Yes | |
| Current draw | ||
| External | Not needed | |
| Internal | Max. 140 mA | |
| Power dissipation | Max. 1 W | |
| Measuring ranges / load resistance | 0 ... 20 mA / 50 ohms, 4 ... 20 mA / 50 ohms, ±20 mA / 50 ohms | |
| Measuring method | Integration | |
| Measurement resolution | 15 bits + sign | |
| Interference frequency suppression | None | 10 Hz | 50 Hz | 60 Hz | 400 Hz | |
| Refresh rate / conversion rate | The conversion time will depend on the interference frequency suppression: None: 2 ms 400 Hz: 8 ms 60 Hz: 51 ms 50 Hz: 60 ms 10 Hz: 160 ms | |
| Diagnoses | Upper measuring range limit exceeded (overflow), Lower measuring range limit fallen below (underflow), Wire break (for 4 ... 20 mA only), Parameter assignment error | |
| Process alarms | Upper and lower limit per channel | |
| Error limits | ||
| Operational error limit in the entire temperature range | ±0.2 % relative to the nominal range | |
| Basic error limit at 25 °C | ±0.1 % relative to the nominal range | |
| Temperature error | ±0.005 %/K relative to the nominal range | |
| Linearity error | ±0.05 %/K relative to the nominal range | |
| Repeating accuracy in steady state at 25 °C | ±0.05 %/K relative to the nominal range | |
| Parameter configuration length | 44 Bytes | |
| General error indicator | Red LED | |
| Hot-swap capable | Yes |
Description |
Order number |
| AI 2 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit | 600-250-7BB01 |
| AI 4 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit | 600-250-7BD01 |
| AI 8 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit | 600-250-7BH21 |
Frequently Asked Questions
No questions available for this product.