Siemens SINUMERIK 840C - Manual (Page 504)

09.95 7 Drive Machine Data (SIMODRIVE Drive MD)
7.3.2 Drive MD (data description)
Thermal limit current, power section 1108
Default value Lower input limit Upper input limit Units
200.0 1.0 500.0 A
Active on
Power On
Input of maximum thermally permissible current of power section. The input is an RMS value.
This machine data is automatically parameterized for Siemens power sections by the machine
data "Power section code number" (MD 1106). The value entered must correspond to the limit
value specified on the power section rating plate.
Caution:
This data acts as the upper thermal loading limit and must not be changed by the user after
automatic presetting of its values.
Limit current power section S6 1109
Default value Lower input limit Upper input limit Units
200.0 1.0 500.0 A
Active on
Power On
This machine data is used to enter the maximum permissible current of the power section
referred to the S6 duty cycle (intermittent operation). The input is an RMS value. This machine
data is automatically parameterized for Siemens power sections by machine data "Power
section code number" (MD 1106). The value entered must correspond to the S6 current
specified on the rating plate of the appropriate MSD power section.
Caution:
This data must not be changed by the user after automatic presetting of its values.
Note:
This data is relevant only for MSD drives.
Rated current power section 1111
Default value Lower input limit Upper input limit Units
200.0 1.0 500.0 A
Active on
Power On
The maximum permissible power section continuous current is entered in this machine data.
The input is an RMS value. This machine data is automatically parameterized for Siemens
power sections by machine data "Power section code number" (MD 1106). The value entered
must correspond to the rated current specified on the rating plate of the appropriate power
section.
Caution:
This data must not be changed by the user after automatic presetting of its values.
© Siemens AG 1992 All Rights Reserved 6FC5197- AA50 7–89
SINUMERIK 840C (IA)