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Siemens SINUMERIK 840Dsl User Manual

Siemens SINUMERIK 840Dsl
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Access is performed as follows:
ABC[0,0] → /NC/_N_CH_GD3_ACX/ABC[u1, 1]
ABC[0.1] → /NC/_N_CH_GD3_ACX/ABC[u1, 2]
ABC[0.2] → /NC/_N_CH_GD3_ACX/ABC[u1, 3]
ABC[1.0] → /NC/_N_CH_GD3_ACX/ABC[u1, 4]
ABC[1.1] → /NC/_N_CH_GD3_ACX/ABC[u1, 5]
ABC[1.2] → /NC/_N_CH_GD3_ACX/ABC[u1, 6]
ABC[2.0] → /NC/_N_CH_GD3_ACX/ABC[u1, 7]
ABC[2.1] → /NC/_N_CH_GD3_ACX/ABC[u1, 8]
ABC[2.2] → /NC/_N_CH_GD3_ACX/ABC[u1, 9]
5.3.3 Variable paths for PLC access operations
PLC variables can be found in the OPC UA server under the "/Sinumerik/Plc" node.
In the address space of the PLC, the displayed variables represent the access format that has
to be extended accordingly.
Example
Syntax of the PLC variable is as follows: "/Plc/MB"
This variable must be extended by the appropriate byte number, e.g. to "/Plc/MB6".
Note
On SINUMERIK 828D, you can only access the freely definable customer data blocks as from
DB9000.
Access formats
The various access formats are shown in the following table. They need to be prefixed with "/
Plc/".
Note
The data type is converted during access with the OPC UA data access interface. Refer to the
following table for the data type conversions.
Table 5-2 PLC syntax
Area Address (IEC) Permissible data types OPC UA data type
Output image Qx.y BOOL Boolean
Output image QBx BYTE, CHAR,
STRING
UInt32
String
Output image QWx WORD, CHAR,
INT,
UInt32
Int32
Functionality
5.3 Variable access
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
40 Configuration Manual, 04/2018, 6FC5397-1DP41-0BA0

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Siemens SINUMERIK 840Dsl Specifications

General IconGeneral
BrandSiemens
ModelSINUMERIK 840Dsl
CategoryControl Unit
LanguageEnglish

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