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Siemens SINUMERIK 810D Function Manual

Siemens SINUMERIK 810D
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Detailed description
2.10 Memory requirements of basic PLC program for 840D
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
81
2.9.4 Assignment: Timers
Timer No. Meaning
0 - 9 Reserved for Siemens
10 – 127 User area
Note
The actual upper limit of the block number (timer) depends on the active PLC CPU which is
located in the selected NCU. See section "Key data of PLC CPUs for 810D, 840D".
2.10 Memory requirements of basic PLC program for 840D
General
The basic program consists of basic and optional functions. The basic functions include
cyclic signal exchange between the NC and PLC.
The options include, for example, the FCs, which can be used if required.
The table below lists the memory requirements for the basic functions and the options. The
data quoted represent guide values, the actual values depend on the current software
version.
Memory requirements of blocks with SINUMERIK 840D
Block size (bytes)
Block
type no.
Function
Remark
Load
memory
Working
memory
Basic functions in basic program
FB 1, 15, 16, 17,
18
Must be loaded 3616 3052
FC 1, 2, 3, 4, 11,
20
Must be loaded 7208 6608
DB 4, 5, 7, 8, 17,
19
Must be loaded 2490 966
DB 2, 3, 6 Are generated by the BP 992 812
OB 1, 40, 100 Must be loaded 490 282
Total 14796 11720

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Siemens SINUMERIK 810D Specifications

General IconGeneral
BrandSiemens
ModelSINUMERIK 810D
CategoryControl Unit
LanguageEnglish

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