Chapter 5 Instruction Specifications
5-11
6.
Control instructions
R7F
4
R7F
3
R7F
2
R7F
1
R7F
0
Process
time
(
µ
s)
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 END
Normal
scan end
Indicates the end of a
normal scan.
None
z z z z z
714
1
Co
ntr
ol
2 CEND(s)
Scan
conditional
end
Re-executes normal scan
from the beginning of the
normal scan when s=1,
while the next instruction is
executed when s=0.
s: X, Y, R, M
z z z z z
3 JMP n
Unconditio-
nal jump
Jumps to LBL n of the
same No. n.
n: Constant(0-
255)
z
1]
z z z
5
707
32
2
2
*5
*6
4 CJMP n (s)
Conditional
jump
When s=1, jumps to the
LBL n of the same No.;
when s=0, executes the next
instruction.
n: Constant(0-
255)
s: X, Y, R, M
z
1]
z z z
3
32
3 *5
*6
5 LBL n
Label
Indicates the jump
destination of JMP or
CJMP of the same No.
n: Constant(0-
255)
z z z z z
0.5
1
6 FOR n (s)
FOR
When s=0, jumps to the
location after the NEXT n
of the same No.; when s is
not 0, executes the next
instruction.
n: Constant(0-49)
s: WY, WR, WM
z
1]
z z z
33
3
7 NEXT n
NEXT
Subtracts 1 from the s value
of the FOR n of the same
No. and jumps to FOR n.
n: Constant(0-49)
z
1]
z z z
38
2
8 CAL n
Call
subroutine
Executes the SB n
subroutine of the same No.
n.
n: Constant(0-99)
z
1]
z z z
24
2
9 SB n
Start
subroutine
Indicates the start of No. n
subroutine.
n: Constant(0-99)
z
1]
z z z
0.5
1
10 RTS
RETURN
SUBROUTIN
Returns from subroutine.
None
z z z z z
25
1
11 INT n
Start
interrupt
scan
Indicates the start of No. n
interrupt scan.
n: Constant(0-2,
16-19, 20-27)
z z z z z
0.5
1
12 RTI
RETURN
INTERRUPT
Returns from interrupt
scan.
None
z z z z z
0.5
1
7.
Transfer instructions
R7F
4
R7F
3
R7F
2
R7F
1
R7F
0
Process
time
(
µ
s)
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 TRNS 0
Data sending and receiving
(optional)
d: WY10
s: WR, WM
t: R, M
↕
z z z z
80
3
Tr
an
sf
er
in
st
.
2 RECV 0
General
purpose
port
communica
-tion
command
Data receiving and sending
(optional)
d: WX0
s: WR, WM
t: R, M
↕
z z z z
80
3
8.
FUN instructions
R7F
4
R7F
3
R7F
2
R7F
1
R7F
0
Process
time
(
µ
s)
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 FUN 5 (s)
General
purpose
port
switching
Port type switching from
dedicated port to general
purpose port
s: WR,WM
↕
z z z z
114
3
2 FUN 80 (s)
(ALREF (s))
I/O refresh
(all points)
Refreshes all external I/O
ranges.
s: WR,WM
↕
z z z z
432
3
FU
N
ins
tru
ctio
ns
3 FUN 81 (s)
(IOREF (s))
I/O refresh
(I/O /link
designation
)
Refreshes only the input
range, output range or link
range.
s: WR,WM
↕
z z z z
244
3
Summary of Contents for HIDIC MICRO-EH
Page 1: ...HITACHI PROGRAMMABLE CONTROLLER APPLICATION MANUAL NJI 350B X ...
Page 12: ...MEMO ...
Page 14: ...Chapter 1 Features 1 2 MEMO ...
Page 50: ...Chapter 4 Product lineup and wiring 4 18 MEMO ...
Page 196: ...Chapter 5 Instruction Specifications 5 146 ...
Page 263: ...Chapter 11 Communication Specifications 11 10 MEMO ...
