Hitachi NJI-350B User Manual
Page 114
Chapter 5 Instruction Specifications
5-64
Item number
Arithmetic instructions-19
Name
< Relational expression
Ladder format
Condition code
Processing time (
µs)
Remark
R7F4
R7F3
R7F2
R7F1
R7F0
Average Maximum
d = s1 < s2
DER
ERR
SD
V
C
Upper case: W
z
z
z
z
z
40
Lower case: DW
Instruction format
Number of steps
Condition
Steps
d = s1 < s2
s is a word
4
70
s is a double word
6
Bit
Word
Double word
Usable I/O
X
Y
R,
M
TD, SS,
CU, CT
WX WY
WR,
WM TC DX DY
DR,
DM
C
onstant
Other
d
Substitution destination
{
{
s1 Comparand
{
{
{
{
{
{
{
{
s2 Relational number
{
{
{
{
{
{
{
{
Function
• Substitutes “1” when s1 is less than s2 and otherwise “0” into d, assuming s1 and s2 as binary data.
Notes
• The combinations of d, s1 and s2 are as follows:
d
s1
s2
Bit
Word
Word
Bit
Double word
Double word
Program example
R0 = TC100 < TC101
[
R0 = TC100 < TC101
]
Program description
• When TC100 < TC101, R0 is set to “1.” Otherwise, R0 is reset to “0.”
(TC n is the progress value of the no. n timer or counter.)
d =
s1
<
s2