Technical Data of the Analog Inputs¶
| Parameter | Value | ||
|---|---|---|---|
| Number of channels per module | 2 configurable RTD (resistance temperature detector) inputs | ||
| Distribution of channels into groups | 1 (2 channels per group) | ||
| Resolution | |||
| RTD | 0.1 °C / 0.1 °F | ||
| Resistance | 15 bits + sign | ||
| Connection of the signals O0+ and O1+ | Terminals 10 and 13 | ||
| Connection of the signals I0- and I1- | Terminals 11 and 14 | ||
| Connection of the signals I0+ and I1+ | Terminals 12 and 15 | ||
| Input type | Module ground referenced RTD for 2-wire and 3-wire resistance temperature detectors | ||
| Galvanic isolation | Against internal power supply and other modules | ||
| Input ranges | Pt100, Pt1000, Ni100, Ni1000 | ||
| 150 W, 300 W | |||
| Indication of the input signals | No | ||
| Module update time | All channels: < 1 s | ||
| Channel input resistance | > 100 kW | ||
| Input filter attenuation | -3 dB at 3.6 kHz | ||
| Conversion error of the analog values caused by non-linearity, adjustment error at factory and resolution within the normal range | Typ. | Depending on RTD max. ± 0.6 % of full scale (guaranteed for 3-wires connection only) at 25 °C |
|
| Max. | ± 2 % of full scale (guaranteed for 3-wires connection only) at 0 … 60 °C or EMC disturbances |
||
| Measuring range | Table AI562 - Analog Input Module | ||
| Analog to digital conversion time | Typ. 140 ms per channel | ||
| Unused inputs | Can be left open and should be configured as “unused” | ||
| Input data length | 4 bytes | ||
| Power dissipation inside the sensor (max.) | 1 mW | ||
| Suppression of interference | On request | ||
| Maximum input voltage | 30 V DC (sense), 5 V DC (source) | ||
| Basic error (resistance) | 0.1 % of full-scale | ||
| Repeatability | 0.05 % of full-scale | ||
| Overvoltage protection | Yes, up to 30 V DC | ||
| Wire loop resistance | < 20 W | ||
| Max. cable length (conductor cross section > 0,14 mm²) | |||
| Unshielded wire | 10 m | ||
| Shielded wire | 100 m | ||