Hitachi NJI-350B - Manual (Page 52)

Chapter 5 Instruction Specifications
5-2
The following lists the instructions.
1. Basic instructions (sequence instructions)
R7F
4
R7F
3
R7F
2
R7F
1
R7F
0 Process
time
( µs)
C
la
ssi
fica
tio
n
It
em
num
ber
Ladder symbol
In
str
ucti
on
sy
m
bol Instruction
name
Process descriptions I/O types used
DER ERR SD V C MICRO-EH
S
teps Remarks
1 LD Logical
operation start
Indicates the
commencement of a-
contact operation. z z z z z 0.9 1
2 LDI Logical
negation
operation start
Indicates the
commencement of b-
contact operation.
Se
que
nce
ins
tr
uctio
ns
3 AND Logical AND Indicates a-contact series
connection.
X, Y
R0 to R7BF
M0 to M3FFF
TD, SS, CU, CT
Timer: 0 to 255
Counter: 0 to 255
DIF0 to DIF511
DFN0 to
DFN511
0.8
4 ANI Logical
NAND
Indicates b-contact series
connection.
5 OR Logical OR Indicates a-contact
parallel connection. z z z z z 0.9 2
6 ORI Logical NOR Indicates b-contact
parallel connection.
7 NOT Logical NOT Reverses all operation
results up to that point.
None z z z z z 0.8 2
8 DIF AND
DIF
Leading edge
detection Indicates detection of the
input rise. DIF0 to DIF511
(Decimal) z z z z z 1.0 3
4 Number
overlap not
allowed
DIF OR
DIF
9 DFN AND
DFN
Trailing edge
detection Indicates detection of the
input fall. DFN0 to
DFN511
(Decimal) z z z z z 1.2 3
4 Number
overlap not
allowed
DFN OR
DFN
10 OUT I/O output Indicates an output coil. X, Y
R0 to R7BF
M0 to M3FFF
TD, SS, CU,
CTU, CTD, CL
Timer: 0 to 255
Counter: 0 to 255
z z z z z 1.0 1
11
SET
SET I/O set Indicates set output. X, Y
R0 to R7BF
M0 to M3FFF z z z z z 0.9 1
12
RES
RES I/O reset Indicates reset output.
13
MCS
MCS Set master
control
Indicates master control
set operation. MCS0 to MCS49 z z z z z 0.7 3 Number
overlap
allowed
14
MCR
MCR Reset master
control
Indicates master control
reset operation. MCR0 to
MCR49 z z z z z 0.7 2 Number
overlap
allowed