750-671 [Steppercontroller]
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55
Configuration
WAGO-I/O-SYSTEM 750
I/O Modules
2.1.2.9.1
Download
Table download is performed to implement a transport layer for transferring
relatively large data volumes via the I/O bus.
The data blocks that are to be transferred are fragmented into 4-byte blocks,
which are then transferred to the module at each I/O module cycle. These data
bytes are embedded in the mailbox and can be transferred simultaneously with
the process data, ensuring control over this process while also in this mode.
A download is basically broken down into 3 phases:
1. Preparation for download using the command DLD_START
2. Transfer of data using the command DLD_CONT
3. Conclusion of download using the command DLD_END.
These commands are elucidated in the appendix.
2.1.2.9.2
Control
After downloading of tables types:
Move program,
Camshaft
Position table
the tables, and the associated functions, must be enabled.
The camshaft is always active after this.
The Move program is active after this and can also be halted again,
contrary to the camshaft.
These commands are elucidated in the appendix.
2.1.2.10 Configuration
The response of the stepper module is essentially determined by the settings in
the configuration table. The configuration table is broken down into two
sectors: Addresses 0 ... 127 directly describe the corresponding parameters,
whereas addresses above 128 are interpreted as indicators. These indicators
point to sources in the bit I/O table and are assigned to fixed targets in the
same table.
The bit I/O table is broken down into two sectors: Addresses 0 ... 127 describe
the data sources; addresses 128 ... 255 described the targets to which the
indicator can point.
