AI, 16 Bit, I
AI 2 x I, 0/4-20 mA, ±20 mA, Iso., 16 Bit
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- 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
- 2 analog inputs for measuring current
- 2 process input words
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)
Channel LED signals
|
Flashing red light |
Parameter assignment error on channel |
|
|
Solid red light |
Reading overflow/underflow or wire break |
|
|
Flashing green light |
Reading within overrange |
|
|
Solid green light |
Channel configured, normal reading |
|
|
Off |
Channel disabled or module not yet configured |
| General information | ||
|---|---|---|
| Order number | 600-250-7BB01 | |
| Article name | AI 2 x I, 0/4-20 mA, ±20 mA, Iso., 16 bit | |
| Scope of delivery | AI 2 x I, 0/4-20 mA, ±20 mA, Iso., 16 bit | |
| Dimensions (DxWxH) | 110 x 14 x 73 mm | |
| Weight | Approx. 70 g | |
| Number of inputs | 2 | |
| 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 | 14 bytes | |
| General error indicator | Red LED | |
| Hot-swap capable | Yes | |
| Ambient conditions | ||
| Ambient temperature | 0 °C … +60 °C | |
| Transport and storage temperature | -20 °C … +80 °C | |
| Relative air humidity | 95 % r H without condensation | |
| Protection rating | IP 20 | |
| Certifications | CE, UL | |
| UL | ||
| Surrounding Air Temperature | 0 °C … +60°C | |
| Pollution degree | 2 | |
| CE | ||
| Noise immunity | DIN EN 61000-6-2 “EMC Immunity” | |
| Interference emission | DIN EN 61000-6-4 “EMC Emission” | |
| Vibration and shock resistance | DIN EN 60068-2-8:2008 “Vibration”, DIN EN 60068-27:2010 “Shock“ | |
| RoHS | Yes | |
| REACH | Yes | |
Technical Documentation
| Name | Version | Size | Tags | |
|---|---|---|---|---|
| TB20, Manual Modules | 13 | 17 MB |
* SIMATIC is a registered trademark of Siemens AG.