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© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Description of the NCU
4.1 Components
The components of the SINUMERIK 840D are compatible with the module se-
ries SIMODRIVE 611D. The 840D is operated with the power supply of
SIMODRIVE 611 and the SIMODRIVE 611D drive modules.
The NCU module (Numeric Control Unit) is the CPU of the SINUMERIK 840D. It
takes over all the CNC, PLC and communication tasks. It is available in various
performance variants:
Table 4-1 Components from the NCU 5xx.3 series:
NCU
Order no. (MLFB) Processor CNC user
memory
min. / max.
PLC PLC
memory
min. / max.
Front
plate
Fan
box
561.3 6FC5356-0BB11-
0AE1
Intel 486 DX4
100 MHz
0.25/1.5 MB PLC 315-2DP 96 / 288 KB Type 1 No
561.3 6FC5356-0BB13-
0AA1
Celeron
400 MHz
0.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 No
571.3 6FC5357-0BB11-
0AE1
Intel 486 DX4
100 MHz
0.25/1.5 MB PLC 315-2DP 96 / 288 KB Type 1 No
571.3 6FC5357-0BB13-
0AA1
Celeron
400 MHz
0.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 No
572.3 6FC5357-0BB22-
0AE0
AMD K6-2
233 MHz
0.25/1.5 MB PLC 315-2DP 96 / 288 KB Type 2 No
572.3 6FC5357-0BB23-
0AA0/1
Celeron
400 MHz
0.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 No
573.3 6FC5357-0BB33-
0AE2
Pentium III
500 MHz
2.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 Yes
573.3 6FC5357-0BB33-
0AE3
Celeron
650 MHz
2.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 No
573.3 6FC5357-0BB33-
0AA0/1
Celeron
650 MHz
2.5/2.5 MB *) PLC 315-2DP 96 / 288 KB Type 3 No
*) With technological cycles and measuring cycles, max. 1.5 MB available for users. With ShopMill/ShopTurn 1.2 MB
available to users in the basic configuration and no other CNC user memory options are possible.
Configuration
NCU module
4
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