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FX Series Programmable Controlers Applied Instructions 5
5-115
5.10.8 BLK (FNC 97)
Operation:
The BLK instruction is used to desi
g
nate a block
number (S1)to an F
2
-30GM pulse output unit
throu
g
h a controllin
g
FX PLC.
Points to note:
a) The head address I/O numbers for both Sand D
1
are determined b
y
the position of the FX
2
-
24EI (connected to the F
2
-30GM) within the FX PLC’s expansion chain.
b) Effective block numbers which can be specified for S
1
are 0 to 31 (in decimal). Data which is
to be used for S
1
cannot be in a BCD format, i.e data should not be read directl
y
in (usin
g
KnX for example) from BCD thumbwheels.
c) When an F
2
-30GM is used and the BLK
instruction is not required, the pro
g
ram
opposite is needed to ensure the FX
2
-24EI
reco
g
nizes and operates correctl
y
for the
connected F
2
-30GM.
d) For more information please see pa
g
e 9-5.
Mnemonic Function
Operands
Program steps
S
1
S
2
D
BLK
FNC 97
(
F
2
-30GM
Block)
Identifies a block
number to the
F
2
-30GM - use
with an FX
2
-24EI
K, H
KnX, KnY,
KnM,
KnS
T, C, D, V, Z
X
Note:
uses 8
consecutive
devices
Y
Note:
uses 8
consecutive
devices
BLK, BLKP:
7 steps
X0
X40 Y30
[ D ]
BLK
[ S2 ]
K 0
[ S1 ]
M8000
X40 Y30BLK K 0