User`s manual
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MELSEC-Q
8 I/O CONTROL INSTRUCTIONS
8.6 Batch Counter (S.BC)
Usable devices
Internal devices
(System, user)
MELSECNET/H
direct J
\
Setting
data
Bit Word
File
register
Bit Word
Intelligent
function
module
U
\G
Index
register
Zn
Constant
K, H
Other
S1
D1
S2
D2
S.BC
S.BC
[Instruction symbol] [Execution condition]
Start contact
S1 D1 S2 D2
Set data Description
S1
Input data head device
D1
Block memory head device
S2
Dummy device
*1
D2
Loop tag memory head device
*1: Special register SD1506 can be specified as a dummy device.
Functions
Compares the input value (E1) with the set value 1 (SV1)/set value 2 (SV2), and outputs bit data
as soon as the input value (E1) reaches the set value 1 (SV1)/set value 2 (SV2).
Also performs the upper limit check processing, change rate check processing and output
conversion processing of the input value (E1) at this time.










