| Manufacturer part number (MPN) | 6ES7131-7RF00-0AB0 |
| EAN / GTIN | 4019169131568 |
| Sales unit | pcs |
| Product type designation | 8DI NAMUR |
| HW functional status | 12 |
| Firmware version | V1.1.1 |
| Rack mounting | No |
| Front mounting | Yes |
| Rail mounting | Yes |
| Wall mounting/direct mounting | No |
| Type of supply voltage | DC |
| Permissible range, lower limit (DC) | 20.4 V |
| Permissible range, upper limit (DC) | 28.8 V |
| Current consumption, typ. | 80 mA |
| From load voltage (power bus), max. | 90 mA |
| Power loss, typ. | 1.1 W |
| Fieldbus connection via separate transceiver | Yes |
| Number of digital inputs | 8 |
| Counter — Number, max. | 2; normal and periodic count function |
| Counter — Counting frequency, max. | 5 kHz; with a cable length of 20 m: 5 kHz; with a cable length of 100 m: 1 kHz; with a cable length of 200 m: 500 Hz |
| Input voltage — Type of input voltage | DC |
| Input current — for signal "0", max. (permissible quiescent current) | 1.2 mA |
| Input current — for signal "1", min. | 2.1 mA |
| Input delay (for rated value of input voltage) — Delay time for signal change, min. | 2.8 ms |
| Input delay (for rated value of input voltage) — Delay time for signal change, max. | 3.5 ms |
| For standard inputs — at "0" to "1", min. | 2.8 ms |
| For standard inputs — at "0" to "1", max. | 3.5 ms |
| For standard inputs — at "1" to "0", min. | 2.8 ms |
| For standard inputs — at "1" to "0", max. | 3.5 ms |
| Cable length — shielded, max. | 500 m |
| Number of connectable encoders, max. | 8 |
| Number of PROFINET interfaces | 0 |
| Number of RS 485 interfaces | 0 |
| Diagnoses — Wire break | Yes; I load < 0.2 mA with NAMUR encoders/encoders and NAMUR changeover contact/encoders to DIN 19234 |
| Diagnoses — Short-circuit | Yes; R load < 150 ohms with NAMUR sensor/sensor and NAMUR changeover contact/sensor to DIN 19234 |
| Frequency measurement | Yes; (Gate time) 50 ms; 200 ms; 1 s |
| Frequency measurement — Number of frequency meters | 2 |
| Module for Ex(i) protection | Yes; for more Co/Lo combinations, see certificate IECEx KEM 05.0010 |
| Maximum values for connecting terminals for gas group IIC — Uo (no-load voltage), max. | 9.6 V |
| Maximum values for connecting terminals for gas group IIC — Io (short-circuit current), max. | 16 mA |
| Maximum values for connecting terminals for gas group IIC — Po (power output), max. | 38 mW |
| Maximum values for connecting terminals for gas group IIC — Co (permissible external capacity), max. | 3.6 µF |
| Maximum values for connecting terminals for gas group IIC — Lo (permissible external inductivity), max. | 110 mH |
| Between different circuits | 60 V DC/30 V AC |
| IP degree of protection | IP30 |
| CE mark | CE 0344 |
| UKCA mark | DEKRA 21UKEX0084 Importer UK: Siemens plc Manchester M20 2UR |
| CULus | LISTED E334384 |
| FM approval | CLASSIFIED 3025852 |
| INMETRO certificate | UL-BR 12.0068 |
| Use in hazardous areas — ATEX marking | II 2 G (1) G Ex ib [ia Ga] IIC T4 Gb II 2 G (1) D Ex ib [ia IIIC Da] IIC T4 Gb I M2 Ex ib [ia] I Mb |
| Use in hazardous areas — ATEX certificate | KEMA 04 ATEX 1248 |
| Use in hazardous areas — IECEx | IECEx KEM 05.0010 |
| Use in hazardous areas — CCC Ex | 2020322310002637 |
| Use in hazardous areas — EAC Ex | PB Ex ib [ia] I Mb 1Ex ib [ia Ga] IIC T4 Gb [Ex ia Da] IIIC |
| Use in hazardous areas — FM marking | Class I, Zone 1 AEx ib [ia] IIC T4 Ex ib IIC T4 NI, Class I, DIV.2, GP. A,B,C,D T4 AIS, Class I, DIV.1, GP. A,B,C,D T4 DIP Class II, III, GP. E,F,G |
| Use in hazardous areas — Explosion protection category for gas | ATEX gas explosion protection, Zone 1 |
| Use in hazardous areas — Explosion protection category for dust | ATEX dust explosion protection, Zone 21 always install in corresponding enclosure |
| Design of electrical connection | Screw/spring-type terminal |
| Dimensions — Width | 30 mm |
| Dimensions — Height | 129 mm |
| Dimensions — Depth | 136.5 mm |
| Weight, approx. | 255 g |
| Voltage type (supply voltage) | DC |
| Type of voltage (input voltage) | DC |
| Type of digital output | None |
| Degree of protection (IP) | IP30 |
| Type of electric connection | Screw-/spring clamp connection |
| SIL according to IEC 61508 | None |
| Performance level according to EN ISO 13849-1 | None |
| Explosion safety category for gas | ATEX gas-ex-protection, Cat. 2G |
| Explosion safety category for dust | ATEX dust-ex-protection, Cat. 2D |
| Width | 30 mm |
| Height | 129 mm |
| Depth | 136.5 mm |
| Country of origin | Germany |