Siemens Sinumerik 840DiE sl - Page 54

01/2007
2.3 MCI board extension slot variant
2-54
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
With switch S1 you can select the type of handwheel that is to be operated on
the module:
– Differential handwheels:
Switch S1 closed (on delivery)
– TTL handwheels:
switch S1 open
Differential or TTL handwheels can only be operated alternately.
Switch S1:
Switch position open
Fig. 2-7 Switch S1 switch position open (TTL handwheels)
Notice
You select between differential and TTL handwheels on the module using
switch S1 before installing the module.
Switch S1
2 Hardware Descri
p
tions