| Manufacturer part number (MPN) | 6ES7531-7KF00-0AB0 |
| EAN / GTIN | 4025515079514 |
| Sales unit | pcs |
| Product type designation | AI 8xU/I/RTD/TC ST |
| Product family | SM 531 analog input module |
| HW functional status | FS04 |
| Firmware version | V2.0.0 |
| Engineering with STEP 7 TIA Portal from | V12 |
| Supply voltage rated value (DC) | 24 V |
| Supply voltage permissible range | 19.2 ... 28.8 V |
| Reverse polarity protection | Yes |
| Current consumption, max. | 255 mA at 19.2 V |
| 24 V encoder supply output current, max. | 20 mA |
| Power consumption from backplane bus | 0.7 W |
| Power loss, typ. | 2.7 W |
| Address space inputs | 16 byte |
| Number of analog inputs | 8 |
| Analog inputs for current measurement | 8 |
| Analog inputs for voltage measurement | 8 |
| Analog inputs for RTD measurement | 4 |
| Analog inputs for thermocouple measurement | 8 |
| Resolution incl. sign, max. | 16 bit |
| Measurement principle | integrating |
| Voltage input ranges | ±10 V, ±5 V, ±2.5 V, ±1 V, 1–5 V, ±80/250/500 mV |
| Current input ranges | 0–20 mA, ±20 mA, 4–20 mA |
| Thermocouple types | B, E, J, K, N, R, S, T |
| RTD types | Pt100/200/500/1000, Ni100/1000, LG-Ni1000 |
| Resistance ranges | 0–150/300/600/6000 Ω, PTC |
| Permissible input voltage (destruction limit), max. | 28.8 V |
| Permissible input current (destruction limit), max. | 40 mA |
| Integration time | 2.5 / 16.67 / 20 / 100 ms |
| Interference frequency suppression | 400 / 60 / 50 / 10 Hz |
| Basic conversion time incl. integration | 9 / 23 / 27 / 107 ms |
| Smoothing levels | 4 |
| Cable length shielded, max. | 800 m (U/I), 200 m (R/RTD), 50 m (TC) |
| Linearity error (rel. to input range) | ±0.02 % |
| Operational error limit voltage/current/resistance | ±0.3 % |
| Basic error limit at 25 °C | ±0.1 % |
| Common mode voltage, max. | 10 V |
| Common mode interference, min. | 60 dB |
| Crosstalk between inputs, max. | -80 dB |
| Diagnostics | diagnostic alarm, limit value alarm, wire break, overflow/underflow |
| Diagnostics LEDs | RUN (green), ERROR (red), channel status |
| Isolation tested with | 707 V DC (type test) |
| Permissible potential difference inputs to MANA (UCM) | 10 V DC |
| Suitable per AMS 2750 / CQI-9 | Yes |
| Ambient temperature during operation, horizontal | -25 ... +60 °C |
| Ambient temperature during operation, vertical, max. | 40 °C |
| Installation altitude above sea level, max. | 5 000 m |
| Dimensions width × height × depth | 35 × 147 × 129 mm |
| Weight, approx. | 310 g |
| Number of analogue inputs | 8 |
| Analogue outputs configurable | No |
| Resolution of the analogue inputs | 16 Bit |
| Output, current | No |
| Output, voltage | No |
| Output signal configurable | No |
| Explosion safety category for gas | ATEX gas-ex-protection, Cat. 3G |
| Explosion safety category for dust | None |
| Width | 35 mm |
| Height | 147 mm |
| Depth | 129 mm |
| Country of origin | Germany |