Valid Addressing Modes and File Types for Instruction Parameters
C–11
Instruction
Valid Value
Ranges
Valid File Types
Valid Addressing
Mode(s)
Instruction
Parameter
Description
RES
Timer/Counter Reset
structure
direct
T, C, R
(element level)
Not Applicable
RES
High-Speed Counter
Reset
structure
direct
T, C, R
(element level)
Not Applicable
RET
Return
Not Applicable
RTO
Retentive Timer
timer
direct
T (element level)
Not Applicable
time base
immediate
0.01 or 1.00
preset
(contained in the
timer register)
0–32,767
accum
(contained in the
timer register)
0–32,767
SBR
Subroutine
Not Applicable
SCL
Scale
source
direct, indexed direct
O, I, S, B, T, C, R, N
Not Applicable
rate
immediate, direct,
indexed direct
O, I, S, B, T, C, R, N
–32,768–32,767
offset
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
SQC
Sequencer Compare
file
indexed direct
O, I, S, B, N
Not Applicable
mask
immediate, direct,
indexed direct
➀
O, I, S, B, T, C, R, N
–32,768–32,767
source
direct, indexed direct
➀
O, I, S, B, T, C, R, N
Not Applicable
control
direct
R (element level)
Not Applicable
length
(contained in the
control register)
1–255
position
(contained in the
control register)
0–255
➀
Indexed addressing is not allowed when using T, C, or R addresses.
Reference
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive