General information | | |
Product type designation | CPU 1211C DC/DC/DC | CPU 1211C DC/DC/DC |
Engineering with | | |
| STEP 7 V11 SP2 or higher | STEP 7 V11 SP2 or higher |
Supply voltage | | |
Rated value (DC) | | |
| Yes | Yes |
Encoder supply | | |
24 V encoder supply | | |
| Permissible range: 20.4V to 28.8V | Permissible range: 20.4V to 28.8V |
Power loss | | |
Power loss, typ. | 8 W | 8 W |
Memory | | |
Work memory | | |
| 30 kbyte | 30 kbyte |
Load memory | | |
| 1 Mbyte | 1 Mbyte |
Backup | | |
| Yes | Yes |
CPU processing times | | |
for bit operations, typ. | 0.085 µs; / instruction | 0.085 µs; / instruction |
for word operations, typ. | 1.7 µs; / instruction | 1.7 µs; / instruction |
for floating point arithmetic, typ. | 2.5 µs; / instruction | 2.5 µs; / instruction |
Data areas and their retentivity | | |
Flag | | |
| 4 kbyte; Size of bit memory address area | 4 kbyte; Size of bit memory address area |
Address area | | |
I/O address area | | |
| 1 024 byte | 1 024 byte |
| 1 024 byte | 1 024 byte |
Process image | | |
| 1 kbyte | 1 kbyte |
| 1 kbyte | 1 kbyte |
Time of day | | |
Clock | | |
| Yes | Yes |
Digital inputs | | |
Number of digital inputs | 6; Integrated | 6; Integrated |
| 3; HSC (High Speed Counting) | 3; HSC (High Speed Counting) |
Digital outputs | | |
Number of digital outputs | 4 | 4 |
| 4; 100 kHz Pulse Train Output | 4; 100 kHz Pulse Train Output |
Analog inputs | | |
Number of analog inputs | 2 | 2 |
Input ranges | | |
| Yes | Yes |
Analog outputs | | |
Number of analog outputs | 0 | 0 |
1. Interface | | |
Interface type | PROFINET | PROFINET |
Physics | Ethernet | Ethernet |
Functionality | | |
| Yes | Yes |
Communication functions | | |
S7 communication | | |
| Yes | Yes |
Open IE communication | | |
| Yes | Yes |
| Yes | Yes |
| Yes | Yes |
Web server | | |
| Yes | Yes |
Integrated Functions | | |
Number of counters | 3 | 3 |
Counting frequency (counter) max. | 100 kHz | 100 kHz |
Frequency meter | Yes | Yes |
controlled positioning | Yes | Yes |
PID controller | Yes | Yes |
Number of alarm inputs | 4 | 4 |
Number of pulse outputs | 4 | 4 |
Limit frequency (pulse) | 100 kHz | 100 kHz |
Ambient conditions | | |
Ambient temperature during operation | | |
| -20 °C; = Tmin; Startup @ 0 °C | -40 °C; = Tmin; Startup @ -25 °C |
| 60 °C; = Tmax | 70 °C; = Tmax; > +60 °C Number of simultaneously controllable inputs and outputs max. 50%; no signal board can be used |
Extended ambient conditions | | |
| 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) |
| 0 °C | -25 °C |
Relative humidity | | |
| 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) | 100 %; RH incl. condensation/frost (no commissioning under condensation conditions) |
Resistance | | |
| Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). The supplied connector covers must remain on the unused interfaces during operation! | Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna). 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 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! |
Configuration | | |
Programming | | |
Programming language | | |
| Yes | Yes |
| Yes | Yes |
| Yes | Yes |
Dimensions | | |
Width | 90 mm | 90 mm |
Height | 100 mm | 100 mm |
Depth | 75 mm | 75 mm |
Weights | | |
Weight, approx. | 370 g | 370 g |