SIMATIC S7-400
Communication
CP 441-1, CP 441-2
6/104
Siemens ST 70 · 2013
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Overview
• For fast, high-performance serial data exchange
via point-to-point connection
•2 versions:
- CP 441-1 with 1 variable interface for easy point-to-point
coupling.
- CP 441-2 with 2 variable interfaces for high-performance
point-to-point connection.
• Plug-in interface modules for different physical transmission
properties:
RS 232C (V.24), 20 mA (TTY) or RS 422/RS 485 (X.27)
• Implemented protocols: ASCII, 3964 (R), printer driver;
for CP 441-2 additional RK 512 and Modbus RTU (reloadable)
• Simple parameter assignment using tool integrated in STEP 7
■
Technical specifications
6ES7 441-1AA05-0AE0 6ES7 441-2AA05-0AE0
CP 441-1 CP 441-2
Supply voltage
5 V DC Yes Yes
24 V DC Yes Yes
Input current
from backplane bus 5 V DC, max. 300 mA 300 mA
Power losses
Power loss, typ. 2.1 W; incl. 1x20 mA TTY module 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 1 to 5 KB for parameters; 0 to 55 KB for message texts;
0 to 64 KB for loadable drivers
Interfaces
Number of interfaces 1; variable 2; variable
Interface physics, 20 mA (TTY)
Yes Yes
Interface physics, RS 232C (V.24) Yes Yes
Interface physics, RS 422/RS 485
(X.27)
Yes Yes
20mA (TTY), cable length, shielded,
max.
1 000 m; At 9600 bps 1 000 m; At 9600 bps
RS 232, cable length, shielded, max.
15 m; At 115200 bps 15 m; At 115200 bps
RS 422/485, cable length, shielded,
max.
1 200 m; At 19200 bps 1 200 m; At 19200 bps
Point-to-point
• Transmission rate, max. 115.2 kbit/s; Min. 300 bps 115.2 kbit/s; Min. 300 bps
• supported printers
HP-Deskjet, HP-Laserjet, IBM-Proprinter, user-defined HP-Deskjet, HP-Laserjet, IBM-Proprinter, user-defined
• Integrated protocol driver
- 3964 (R) Yes Yes
-ASCII
Yes Yes
-RK512
No Yes
- Printer
Yes Yes
- customer-specific drivers reload-
able
No No
• Transmission speed, 20 mA (TTY)
- with 3964 (R) protocol, max. 19.2 kbit/s 19.2 kbit/s
- with ASCII protocol, max.
19.2 kbit/s 19.2 kbit/s
- with printer driver, max.,
19.2 kbit/s 19.2 kbit/s
- with RK 512 protocol, max.
19.2 kbit/s
Kap_06_eng.book Seite 104 Donnerstag, 2. Mai 2013 4:16 16
© Siemens AG 2013
(22 pages)
(264 pages)
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