| Input current |
| from backplane bus 5 V DC, max. |
700 mA; Without interface module |
| Interface modules |
| ● 20 mA (TTY), power consumption from 5 V/24 V, max. |
300 mA at 5 V, 45 mA at 24 V |
| ● RS 422/485 (X.27), power consumption from 5 V, max. |
300 mA |
| ● RS 232C (V.24), power consumption from 5 V, max. |
300 mA |
| Memory |
| Memory requirements per interface in memory card of S7-CPU |
1 to 5 KB for parameters; 0 to 55 KB for message texts; 0 to 64 KB for loadable drivers |
| Interfaces |
| Number of interfaces |
2; variable |
| Interface physics, 20 mA (TTY) |
Yes |
| Interface physics, RS 232C (V.24) |
Yes |
| Interface (physical) RS 422/485 (X.27) |
Yes |
| 20 mA (TTY), cable length shielded, max. |
1 000 m |
| RS 232, cable length shielded, max. |
10 m |
| RS 422/RS 485, cable length shielded, max. |
1 200 m |
| Point-to-point |
| ● Transmission rate, max. |
115.2 kbit/s; distributed on both interfaces |
| ● supported printers |
HP-Deskjet, HP-Laserjet, IBM-Proprinter, user-defined |
| Integrated protocol driver |
| — 3964 (R) |
Yes |
| — ASCII |
Yes |
| — RK512 |
Yes |
| — Printer |
Yes |
| — customer-specific drivers reloadable |
Yes |
| Transmission rate, 20 mA (TTY) |
| — with 3964 (R) protocol, max. |
19.2 kbit/s |
| — with ASCII protocol, max. |
19.2 kbit/s |
| — with printer driver, max. |
19.2 kbit/s |
| — with RK 512 protocol, max. |
19.2 kbit/s |
| Transmission rate, RS 422/485 |
| — with 3964 (R) protocol, max. |
115.2 kbit/s |
| — with ASCII protocol, max. |
115.2 kbit/s |
| — with printer driver, max. |
115.2 kbit/s |
| — with RK 512 protocol, max. |
115.2 kbit/s |
| Transmission speed, RS 232 |
| — with 3964 (R) protocol, max. |
115.2 kbit/s |
| — with ASCII protocol, max. |
115.2 kbit/s |
| — with printer driver, max. |
115.2 kbit/s |
| — with RK 512 protocol, max. |
115.2 kbit/s |
| Communication functions |
| S7 communication |
| ● S7 extended communication |
Yes |
| Number of connections |
| ● overall |
