Hardware
Page 12 of 22
Hardware Manual Doc. Nr.: M.1607.27 / Rev. 1.0
VME-DIO32-L
The VME-DIO32-L comes with a rotary switch (SW111) and three DIP switches (SW110, SW120,
SW121) for the adjustment of the VMEbus base address. The modifiers (AM0 - AM2 and AM2E) can
be set via switch SW130.
2.3.1 Lower VMEbus Base Address via Rotary Switch (SW111)
The rotary switch (SW111) can be easily accessed via the front panel (see Figure 3, page 11).
SW111
Rotary switch
Switch
ADDR
The address bits A11-A8 of the
VMEbus base address can be
adjusted from 0
– 15 (0
h
- F
h
).
Position
0
h
1
h
:
:
F
h
Table 1:
Description of the switches
2.3.2 Higher VMEbus Base Address and Modifiers via DIP-Switches
The DIP-switches are equipped on the board next to VMEbus connector P1 as described in Figure
2 page 10.
The VME base address (address bits A[23:12] can be configured via the DIP-switches SW110,
SW120, SW121.
The address modifiers (AM2E, AM[2:0]) can be configured via the DIP-switch SW130.
Example:
SW121 SW120 SW110 SW130
DIP switches (as seen from P1)
Switch
SW121
SW120
SW110
SW130
Position
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Address
bit
A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12
AM
2E
AM2 AM1 AM0
ON
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
OFF
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Descript
-ion
VMEbus base
address A[23:20]
VMEbus base
address A[19:16]
VMEbus base
address
A[15:12]
Address Modifier
AM2E, AM[2:0]
Meaning
VMEbus base address, see chapter 2.3.3, page 13
See chapter 2.3.4,
page 13
Table 2:
Description of the switches
2.3 Coding Switches