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10
PROGRAMMING USING MELSEC DATA LINK
FUNCTIONS
Device
Own station input internal
buffer (LX buffer)
Own station output internal
buffer (LY buffer)
Own station link relay internal
buffer (LB buffer)
Own station link register
internal buffer (LW buffer)
Q/QnA RECV function
Own station direct link input
(LX)
Own station direct link output
(LY)
Own station direct link relay
(LB)
Own station direct link register
(LW)
Own station direct link special
relay (SB)
Own station direct link special
register (SW)
(b) Accessible devices for accessing own station
Table 10.25 Accessible devices for accessing own station
Device type (Device name
specification)
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
Random
Batch
DevSW(0)
Random
10.13 Accessible Ranges and Devices of the MELSEC Data Link Function
DevX
DevY
DevB
DevW
DevMAIL
DevLX(0)
DevLY(0)
DevLB(0)
DevLW(0)
DevSB(0)
10.13.3 Access via MELSECNET/H
Accessibility
: Accessible
: Inaccessible
10
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10
11
12
13
A
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