Installation/Mounting; Connection - Siemens SINUMERIK 840D sl Manual

9.4.2

Installation/Mounting

NOTICE
Damage to the option board by inserting and withdrawing in operation
● Option boards should only be inserted and removed when the NCU and option board are
● Option boards may only be operated by qualified personnel. The ESD notices must be
Installing the COM01.3 RS 232C (V.24) module
A COM01.3 option board is installed in the option slot of the NCU.
①
②
Figure 9-22
The cable outlet is at the top.
9.4.3

Connection

The RS 232C (V.24) module has a standardized serial interface.
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
in a no-current condition.
observed.
Release the M3 fixing screws and remove the protective cover.
Insert and secure the option board.
Tightening torque of the M3 fixing screws: 0.8 Nm.
Installing COM01.3
Connectable components
9.4 COM01.3 RS 232C (V.24) module
147