DL205 Analog Manual, 7th Edition Rev. D
4-4
Chapter 4: F2-08AD-1, 8-Channel Analog Current Input
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
Special Placement Requirements (DL230 and Remote I/O Bases)
Even though the module can be placed in any slot, it is important to examine the configuration
if a DL230 CPU is used, as can be seen in the section about
Writing the Program
located in
this chapter. V-memory locations are used to extract the analog data. If the module is placed so
the input points do not start on a V-memory boundary, the instructions cannot access the data.
This also applies when placing this module in a remote base using a D2-RSSS in the CPU slot.
To use the V-memory references required for a DL230 CPU, the first input address assigned
to the module must be one of the following X locations. The table also shows the V-memory
addresses that correspond to these X locations.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
b
C
D
Slot 0
Slot 1
Slot 2
Slot 3
Slot 4
8pt
Input
8pt
Input
16pt
Input
16pt
Input
16pt
Output
X0
-
X7
X10
-
X17
X20
-
X37
X40
-
X57
Y0
-
Y17
V40401
V40402
V40400
F2-08AD-1
MSB
LSB
X
3
7
X
2
0
Correct
Data is correctly entered so input
points start on a V-memory boundary.
Slot 0
Slot 1
Slot 2
Slot 3
Slot 4
8pt
Input
8pt
Input
16pt
Input
16pt
Input
16pt
Output
X0
-
X7
X10
-
X27
X30
-
X47
X50
-
X67
Y0
-
Y17
V40401
V40400
F2-08AD-1
MSB
LSB
X
3
7
X
2
0
MSB
LSB
X
1
7
X
0
X
3
0
X
2
7
X
1
0
X
7
Incorrect
Data is split over two locations, so instructions cannot access data from a DL230.
X
X0
X20
X40
X60
X100
X120
X140
X160
V
V40400
V40401
V40402
V40403
V40404
V40405
V40406
V40407
Summary of Contents for DL205
Page 1: ...DL205 Analog I O Manual Manual Number D2 ANLG M ...
Page 2: ...Notes ...
Page 6: ...Notes ...