General information | | |
Product type designation | DI 8x24VDC ST | DI 16x24VDC ST |
Product function | | |
| Yes | |
Supply voltage | | |
Rated value (DC) | 24 V | 24 V |
permissible range, lower limit (DC) | 19.2 V | 19.2 V |
permissible range, upper limit (DC) | 28.8 V | 28.8 V |
Reverse polarity protection | Yes | |
Input current | | |
Current consumption, max. | 50 mA | |
24 V encoder supply | | |
| Yes | |
| Yes | |
| 700 mA | |
Power loss | | |
Power loss, typ. | 1 W | 1.3 W |
Address area | | |
Address space per module | | |
| 1 byte | 32 byte |
Digital inputs | | |
Number of digital inputs | 8; > +60 °C, number of simultaneously controllable inputs max. 6 | 16; > +60 °C, number of simultaneously controllable inputs max. 4 |
Input characteristic curve in accordance with IEC 61131, type 1 | Yes | Yes |
Input characteristic curve in accordance with IEC 61131, type 3 | Yes | Yes |
Input voltage | | |
| DC | |
| 24 V | 24 V |
| -30 to +5V | -30 to +5V |
| +11 to +30V | +11 to +30V |
Input current | | |
| 2.5 mA | 2.5 mA |
Input delay (for rated value of input voltage) | | |
for standard inputs | | |
| Yes; 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20 ms (in each case + delay of 30 to 500 µs, depending on line length) | Yes |
| | 0.05 ms |
| | 20 ms |
| | 0.05 ms |
| | 20 ms |
Cable length | | |
| 1 000 m | 1 000 m |
| 200 m | 200 m |
Encoder | | |
Connectable encoders | | |
| Yes | Yes |
| 1.5 mA | 1.5 mA |
Isochronous mode | | |
Isochronous operation (application synchronized up to terminal) | Yes | |
Jitter, max. | 100 µs | |
Interrupts/diagnostics/status information | | |
Diagnostics function | Yes | Yes |
Alarms | | |
| Yes | |
Diagnostic messages | | |
| Yes | Yes |
| Yes | Yes |
| Yes | |
| | Yes |
Diagnostics indication LED | | |
| Yes; green PWR LED | |
| Yes; Green LED | |
| Yes; green/red DIAG LED | |
Potential separation | | |
Potential separation channels | | |
| No | |
| Yes | |
Permissible potential difference | | |
between different circuits | 75 V DC/60 V AC | 75 V DC/60 V AC |
Isolation | | |
Isolation tested with | 707 V DC | 707 V DC |
Ambient conditions | | |
Ambient temperature during operation | | |
| -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin |
| 70 °C; = Tmax; > +60 °C number of simultaneously controllable inputs max. 6 | 70 °C; = Tmax; > +60 °C number of simultaneously controllable inputs max. 4 |
| -40 °C; = Tmin; Startup @ -25 °C | -40 °C; = Tmin |
| 50 °C; = Tmax | 50 °C; = Tmax |
Altitude during operation relating to sea level | | |
| Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) | Tmin ... Tmax at 1080 hPa ... 795 hPa (-1000 m ... +2000 m) // Tmin ... (Tmax - 10K) at 795 hPa ... 658 hPa (+2000 m ... +3500 m) // Tmin ... (Tmax - 20K) at 658 hPa ... 540 hPa (+3500 m ... +5000 m) |
Relative humidity | | |
| 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation |
Use in stationary industrial systems | | |
| Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request |
| Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3C4 (RH < 75%) incl. salt spray according to EN 60068-2-52 (degree of severity 3). The supplied connector covers must remain on the unused interfaces during operation! |
| Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3S4 incl. sand, dust. The supplied connector covers must remain on the unused interfaces during operation! |
Dimensions | | |
Width | 15 mm | 15 mm |
Height | 73 mm | 73 mm |
Depth | 58 mm | 58 mm |
Weights | | |
Weight, approx. | 28 g | 28 g |