PA 358
Technical description Chapter 6
12
6.1
Setting the base address through DIP switches
The
PA 358-4
requires 8 I/O addresses
The
PA 358-6
requires 12 I/O addresses
The
PA 358-8
requires 16 I/O addresses
The
PA 358-4C
requires 8 I/O addresses
The
PA 358-6C
requires 12 I/O addresses
The
PA 358-8C
requires 16 I/O addresses
You can choose the position of this address block within the available I/O address
space in intervals of 16 bytes.
WARNING!
If the base address set is wrong, the board and/or the PC may be
damaged
Before installing the board
At delivery, the base address is set on the address 0390H.
Check
, that
-the base address is free
-the address range required by the board is not already used by the PC or by boards
already installed in the PC.
If the base address or the address range
are wrong
•
Select
another base address with the 8-pole block of DIP switches S1
.
Decoding the base address
The base address is decoded in steps of each time 8 I/O addresses.
It can be selected between 0 and 0FFFH within the PC I/O address space.
In table 6-1 the address 0390H is decoded (settings at delivery).
Table 6-1: Decoding table
Fig. 6-1: DIP switches S1
IMPORTANT!
You will find the switch
s1
on the left
of
the block of DIP switches!