Ext. Control: Usb; Interface Reconfiguration - Et system LAB-HP/E Series Manual

Ext. Control: USB (OPTION)
EXT. CONTROL: USB (OPTION)
The USB interface provides a virtual COM port for the PC. Via this port, the unit can be controlled as with a normal
RS232 interface, e. g. with a terminal program. Corresponding drivers for all current operating systems are available as
download: http://www.ftdichip.com/Drivers/VCP.htm.
The status word can be read with the command
Bit
D15 Parity error
D14 Over run error
D13 Framing error
D12 Timeout error
D11 Echo on
D10 used internally, can be 1 or 0
D9 Hardware handshake (RTS/CTS)
D8 Software handshake (XON/XOFF)
D7 Parity enable
D6 Parity mode (1 = odd, 0 = even)
D5 Stop bit (1 = 2 Stop bits; 0 = 1 Stop bit)
D4 Data format (1 = 8 bit; 0 = 7 bit)
D3 used internally, can be 1 or 0
 Table
D2
 Table
D1
 Table
D0
Table: Error messages
D2 D1
0 0
0 1
0 1
1 0
1 0
1 1
The defined character for XON is 0 x 11 and for XOFF it is 0 x 13.
Interface parameters are adjusted by software with the command
<SS>
command .

Interface Reconfiguration

In case, the user has forgotten the active setup, there are two ways of reconfiguring the interface:

sending the command

using the display to configure the interface  Interface Parameters
28
<STB>
or
Function
D0 Error
1 Syntax
0 Command
1 Range
0 Unit
1 Hardware
0 Read
<PCx>
from one of the other interfaces
<*STB?>
.
<PCx>
and afterwards they can be saved with the
ET System electronic GmbH