Automationdirect.com DirectLOGIC DL205 Series User Manual page 256

Load Immediate (LDI)
The Load Immediate instruction loads a 16-bit V-memory
230
value into the accumulator. The valid address range includes all
240
input point addresses on the local base. The value reflects the
current status of the input points at the time the instruction is
250-1
executed. This instruction may be used instead of the LDIF
260
instruction which requires you to specify the number of input points.
Inputs V-memory
In the following example, when C0 is on, the binary pattern of X0–X17 will be loaded into
the accumulator using the Load Immediate instruction. The Out Immediate instruction
could be used to copy the 16 bits in the accumulator to output points, such as Y40–Y57. This
technique is useful to quickly copy an input pattern to output points (without waiting for a
full CPU scan to occur).
DS Used
HPP Used
DirectSOFT
C0
LDI
V40400
Load the inputs from X0 to
X17 into the accumulator,
immediately
OUTI
V40502
Output the value in the
accumulator to output points
Y40 to Y57
Handheld Programmer Keystrokes
Chapter 5: Standard RLL Instructions - Immediate
Operand Data Type
Location
V40400
Unused accumulator bits
are set to zero
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Acc. 0 0 0 0 0
Location
V40502
$ C
SHFT
STR 2
L D I
SHFT
ANDST 3 8
GX I
SHFT
OUT 8
V
X17 X16 X15 X14 X13 X12
ON OFF ON ON OFF ON
15 14 13 12 11 10 9
0 0 0 0 0 0 0 0 0 0 0 1
Y57 Y56 Y55 Y54 Y53 Y52
ON OFF ON ON OFF ON
A
ENT
0
E A E
4 0 4
E A F
NEXT
4 0 5
DL205 User Manual, 4th Edition, Rev. B
LDI
V aaa
DL260 Range
aaaaa
40400–40477
X11 X10 X7 X6 X5 X4 X3 X2
OFF OFF ON OFF ON ON OFF ON
8 7 6 5 4 3
0 1 1 0 1 0 0 1 0 1 1 0
Y51 Y50 Y47 Y46 Y45 Y44 Y43 Y42
OFF OFF ON OFF ON ON OFF ON
A A
ENT
0 0
A C
ENT
0 2
1
2
3
4
5
6
7
8
9
X1 X0
OFF ON
10
2 1 0
11
1 0 1
12
13
Y41 Y40
OFF ON
14
A
B
C
D
5–39