Settings Of The Serial Interfaces; Fig. 7-7: Pin Assignment Of The Bt Bus - Bosch Rexroth BTV 16 Project Planning Manual

7-6
PC Box

Settings of the Serial Interfaces

Control Panel
The BT bus has the following pin assignment:
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6
Fig. 7-7: Pin assignment of the BT bus
To find out settings of the transfer parameters for the serial interfaces
please refer to the description of the installed operating system.
Windows 95/NT: select "Settings, Control Panel, ..."
BIOS The standard BIOS setting of the COM1 (Serial Port A) and COM2
(Serial Port B) is AUTO (automatic parameter assignment). If a direct
parameter assignment is required, you should choose the following
settings:
• COM1 = 3F8H
• COM2 = 2F8H
COM3 and COM4 are set ex works as "Enabled".
Note: Interrupt (IRQ) and I/O address must coincide with the settings
made in BIOS.
If an address conflict regarding COM3 occurs, e.g., IRQ 10 or
11 are already occupied by other extension cards of the PC,
free IRQs have to be used.
BT bus
Data Out +
Data In +
5
GND
NC
+ 5 V
Data Out -
Data In -
9
NC
Assignment
recognition
Shield applied to the metal housing of
the plug-in connector
DOK-SUPPL*-BTV16/40***-PR02-EN-P
BTV 16/40
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BT_Bus.eps