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2. SPECIFICATIONS
MELSEC-A
2.3
Applicable Systems
(1) The A1 S161
IS
only appl~cable to the A1 SCPU.
(2) The A1S161 can be installed in an A1SCPU in a one-to-one ratio.
2.4
Nomenclature
-
I
Left Slde
Front
No.
(1
(2)
Name & Contents
Interrupt processing con-
dition settlng swltch
Sets whether Interrupt
processing
IS
executed by the leadlng edge (RISE) or tra~llng edge (FALL) of an inter-
rupt slgnal
Set it in 4-po~nts unlts
Factory-set to ON.
Switch
S W l
SW2
SW3
SW4
SW5
Input dlsplay LED
Dlsplays the Input ONIOFF state
Lit when ON
Terminal
Number
0 to 3
4 to 7
8 to B
C to F
unused
OFF
FALL
0
N
RISE
NC
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