Omron SYSMAC C Series - Page 110

Assignment
of
I/O
channel
and
relay
numbers
Relation between special auxiliary relays and instructions
Special auxiliary relays
Relay
No.
1907
{<}
1906
(=)
1905
(>)
|
1904
{CY)
1903
(ER)
Operation
|
Turns
ON
if
the
Turns
ON
ifthe
Turns
ON
if
the
Turns
ON
if
a
car-
Turns
ON
if
data
of
relay
|
resultwhenCom-
į
resultwhenCom-
|
result
when
Com-
|
ryis
generated
as
subject
to
BCD
pareinstructionis
|
pareinstructionis
|
pareinstructionis
|
aresult
ofan
operation
are
not
Executed
__.|
executed
is
less
executed
is
equal
executed
is
more
arithmetic
opera-
in
BCD.
instruction
|FUNNo.
|
than.
or
0000.
than.
tion
TIM
TIMH
15
CNT
CMP
20
t
t
t
MOV
21
t
MVN
22
t
ADD
30
t
t
t
SUB
31
t
t
t
|
STC
40
24".
CLC
41
1oy
END
01
“0” "gr
“Oo”
“0” “g”
Note:
Legend: | — Change
Vacant — No change
1. When special auxiliary relay 1903 is turned ON, the ADD and SUB
instructions are treated as NOP and the statuses of the other relays
remain unchanged.
2. The statuses of these special auxiliary relays are not changed by
executing instructions other than those listed in the above table.