Mitsubishi MELSEC Q Series User Manual

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10.3 Programming Using MELSEC Data Link Functions
10.3.12 Accessible ranges and devices of MELSEC data link functions
10
FUNCTIONS AND PROGRAMMING
(b) Accessible devices
The following explains the accessible devices when access is made via a
MELSECNET/H module.
POINT
1. The words, Batch and Random in the table indicate the following.
Batch : Batch write (mdSend function) and batch read (mdReceive
function)
Random : Random write (mdRandW function), random read (mdRandR
function), bit set (mdDevSet function) and bit reset (mdDevRst
function)
2. Bit set (mdDevSet function) and bit reset (mdDevRst function) can access
only the bit devices.
1) Accessing self station
The following indicates the accessible devices when accessing a
MELSECNET/H module controlled by the C Controller module.
: Accessible, : Inaccessible
Table10.26 Accessible devices at the time of self station access
Device
Device type
(Device name specification)
Accessibility
Own station input internal buffer
(LX buffer)
Batch
DevX
Random
Own station output internal buffer
(LY buffer)
Batch
DevY
Random
Own station link relay internal
buffer (LB buffer)
Batch
DevB
Random
Own station link register internal
buffer (LW buffer)
Batch
DevW
Random
Q/QnA RECV function
Batch
DevMAIL
Random
Own station direct link input (LX)
Batch
DevLX(0)
Random
Own station direct link output (LY)
Batch
DevLY(0)
Random
Own station direct link relay (LB)
Batch
DevLB(0)
Random
Own station direct link register
(LW)
Batch
DevLW(0)
Random
Own station direct link special
relay (SB)
Batch
DevSB(0)
Random
Own station direct link special
register (SW)
Batch
DevSW(0)
Random

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English