SIMATIC S7-400 CP 441-2 PtP With two channels for point-to-point connections

Power loss: Power loss, typ.: 2.7 W; incl. 2x20mA TTY module. 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. Point-to-point connection. Transmission rate, max.: 115.2 kbit/s; Min. 300 bps. supported printers: HP-Deskjet, HP-Laserjet, IBM-Proprinter, user-defined. Integrated protocol driver: 3964 (R): Yes. ASCII: Yes. RK 512: Yes. Printer: Yes. customer-specific drivers reloadable: No. 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. Ambient conditions: Ambient temperature during operation: min.: 0 °C. max.: 60 °C. Ambient temperature during storage/transportation: min.: 0 °C. max.: 70 °C. Relative humidity: Operation, max.: 95 %; no condensation. Dimensions: Width: 25 mm. Height: 290 mm. Depth: 210 mm. Weights: Weight, approx.: 580 g; Interface modules: 80 g.