Connecting A Programming Device Or Pc To The Com Interface - Siemens SIMATIC FM 456-2 Installation, Hardware, And Startup

Connecting a Mouse
Connect the mouse to the IF 962-COM interface module.
A PS2 mouse must not be connected separately. If a PG keyboard is connected,
the trackball occupies the PS2-mouse interface.
Maximum Cable Lengths
Given in the table are the maximum cable lengths for connecting the individual
devices. A precondition is a hardware configuration with interference immunity.
Table 2-2 Maximum Cable Lengths for Operator Panels and Peripherals
Keyboard via
IF 962-VGA
Monitor (connection via VGA cable) via
IF 962-VGA
Printer via
IF 962-LPT (parallel interface)
RS232 interface e.g. terminal, printer
IF 962-COM
2.11

Connecting a Programming Device or PC to the COM Interface

If you operate your FM 456-2 without monitor, keyboard and mass storage, you
need a PG or a PC to install the software. You can find out how to install this
software from the M7-SYS manual .
Connecting an FM 456-2 to the PG or to a PC via the COM interface
Connect the 9-pin subminiature D connector of the COM port on your IF 962-COM
interface module to the connector of a free COM port on your PG/PC. The
following methods of connection may be used:
Connection using control cables
Connection without control cables
FM 456-2 Application Function Module Installation, Hardware, and Startup
C79000-G7076-C458-01
Device
Installation and Startup
Maximum Length
2.5 m (8 ft. 3 in.)
25 m (82 ft.)
3 m (10 ft.)
10 m (33 ft.)
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