Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User Manual
Page 420
Appendix C
Valid Addresssing Modes and File Types
for Instruction Parameters
C–4
Instruction
Valid Value
Ranges
Valid File Types
Valid Addressing
Mode(s)
Instruction
Parameters
Description
CTU
Count Up
counter
direct
C (element level)
Not Applicable
preset
(contained in the
counter register)
–32,768–32,767
accum
(contained in the
counter register)
–32,768–32,767
DCD
Decode 4 to 1 of 16
source
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
destination
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
DDV
Double Divide
source
immediate, direct,
indexed direct
O, I, S, B, T, C, R, N
–32,768–32,767
destination
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
DIV
Divide
source A
immediate, direct,
indexed direct
O, I, S, B, T, C, R, N
–32,768–32,767
f-min–f-max
source B
immediate, direct,
indexed direct
O, I, S, B, T, C, R, N
–32,768–32,767
f-min–f-max
destination
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
ENC
Encode 1 of 16 to 4
source
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
destination
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
EQU
Equal
source A
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
source B
immediate, direct,
indexed direct
O, I, S, B, T, C, R, N
–32,768–32,767
f-min–f-max
FFL
FIFO Load
source
direct, indexed direct➀
O, I, S, B, T, C, R, N
–32,768–32,767
FIFO array
indexed direct
O, I, S, B, N
Not Applicable
FIFO control
direct
R (element level)
Not Applicable
length
(contained in the
control register)
1–128
position
(contained in the
control register)
0–127
FFU
FIFO Unload
FIFO array
indexed direct
O, I, S, B, N
Not Applicable
destination
direct, indexed direct➀
O, I, S, B, T, C, R, N
Not Applicable
FIFO control
direct
R (element level)
Not Applicable
length
(contained in the
control register)
1–128
position
(contained in the
control register)
0–127
➀ Indexed addressing is not allowed when using T, C, or R addresses.