NOTE
It should be noted that a "short message" can be triggered during a running "long mes‐
sage" transaction (see chapter 7.5.2) and vice versa.
The following figure gives an example of reading from the remote register ENC_ST0
(40h).
Figure 25: Reading from remote register
7.5.2 Long message
Apart from the interface registers (see chapter 6.4), access to resources of the motor
feedback system takes place by "long message" transactions on the Parameters Chan‐
nel.
The organization and scope of the resources depend on the particular DSL Slave and
DSL encoder installation.
A "long message" is triggered by setting the corresponding "long message" registers
(PC_ADD_H/L, PC_OFF_H/L, PC_CTRL and – for write operations – PC_BUFFER0:7).
The result, where present, is recorded in the PC_BUFFER0:7 registers.
7 CENTRAL FUNCTIONS
68
T E C H N I C A L I N F O R M A T I O N | HIPERFACE DSL
®
8017595/ZTW6/2018-01-15 | SICK
Subject to change without notice
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