| SIMATIC S7, IF964-DP INTERFACE MODULE DP MASTER FOR S7-400 |
| |
| Input current |
| from CPU, max. | 450 mA |
| Power losses |
| Power loss, typ. | 2 W |
| Memory |
| Size | 256 kbyte; Buffer memory (Dual Port RAM) |
| Interfaces |
| PROFIBUS DP |
| Cable length, max. | 1200 m; At 9.6 kbit/s: max. 1200 m; at 12 Mbit/s: max. 100 m |
| 1st interface |
| Physics | RS 485 / PROFIBUS |
| Isolated | Yes |
| Functionality |
| DP master | Yes; Default setting |
| DP slave | Yes |
| DP master |
| Services |
| PG/OP communication | Yes |
| Equidistance mode support | Yes |
| SYNC/FREEZE | Yes |
| Direct data exchange (slave-to-slave communication) | Yes |
| Transmission rate, max. | 12 Mbit/s |
| Transmission rate, min. | 9.6 kbit/s |
| Number of DP slaves, max. | 125; depending on the CPU used |
| Address area |
| Inputs, max. | device-dependent |
| Outputs, max. | device-dependent |
| User data per DP slave |
| Inputs, max. | 244 byte |
| Outputs, max. | 244 byte |
| Communication functions |
| Number of connections |
| overall | device-dependent |
| usable for PG communication | |
| reserved for PG communication | 1 |
| usable for OP communication | |
| reserved for OP communication | 1 |
| Dimensions |
| Width | 18.2 mm |
| Height | 67 mm |
| Depth | 97 mm |
| Weight |
| Weight, approx. | 65 g |
| Status | Jan 30, 2012 |
