HEIDENHAIN MANUALplus 620 Technical Manual page 1788

Load selected file
9.7.3 LSV2 transmission protocol
1788
To download a file from an external storage device, the control transmits a
header with the corresponding file name.
Control to peripheral device
<SOH><K>Name<E><ETB>BCC
<DC1>
<ACK>
...
<ACK>
<EOT>
The LSV2 protocol is a data transfer protocol for the two-way transfer of
commands and data.
The data is transferred in blocks—so-called telegrams—into which the data is
split up.
The following functions are possible:
Data transfer
File management, such as deleting, copying and renaming files
Changing, creating and deleting paths
Remote operation of the control functions. The control screen appears on
the computer monitor. All functions can be executed from the computer.
Real DNC operation. Starting and stopping the machine from the PC
Diagnosis of control error messages and keystrokes for service purposes.
The last 1000 events are stored in the control.
HEIDENHAIN offers two LSV2 software packages. Please contact
HEIDENHAIN for further information.
Peripheral device to control
<ACK>
<STX>"1st line"<ETB>BCC<DC1>
...
<STX> "last line"<ETB>BCC <DC1>
<ETX>
HEIDENHAIN Technical Manual MANUALplus 620