Mitsubishi MELSEC Q Series Reference Manual page 389

(2) Block number
(3) Station number
External device
Q series C24
Station number 0
PC number FF
(4) PC number
5 - 10
Block numbers are arbitrary numbers given to the corresponding message by an
external device and used as data reference numbers.
The contents and method of designation are the same as for communication
using QnA compatible 3C/4C frames. For more details, refer to Section 3.1.6.
Station numbers are set to the C24 using the programming tool, and used to
identify the C24 to which an external device accesses.
(Example)
Multidrop connection
Q series C24
Station number 1
PC number FF
H H
The contents and method of designation are the same as in communication in
QnA compatible 3C/4C. For more details, refer to Section 3.1.6.
PC numbers are used to identify which programmable controller on CC-Link IE
Controller Network, CC-Link IE Field Network, MELSECNET/H, MELSECNET/10
to be accessed.
PC numbers are designated as FF
module, in the station number range 00
the station numbers to 2-digit ASCII code (hexadecimal).
External device access station
1 Stations connected to an external device (local station)
Stations connected to an external connection station by
2
multidrop link
Station on the CC-Link IE Controller Network, CC-Link IE Field
Network, MELSECNET/H, MELSECNET 10 (excluding 1, 2
3
1
above) ( )
Remote master station on the MELSECNET/H (When an
4 external device is connected to the C24 in the remote I/O
station)
1 The module on the network designated in the "Valid module during other station access" setting by a network
module (Ethernet, CC-Link IE Controller Network, CC-Link IE Field Network, MELSECNET/H,
MELSECNET/10) is accessed.
However, the "Valid module during other station access" set in the MELSECNET/H remote I/O station is disregarded
and the other station specified by the PC number of the MELSECNET/H remote I/O station is accessed.
2 The station No. 41
be specified.
POINT
(1) The "Network parameter" must be set in the station loaded on the network
module (Ethernet, CC-Link IE Controller Network, CC-Link IE Field Network,
MELSECNET/H, MELSECNET/10).
(2) The "Valid module during other station access" setting is required in the
station loaded on the network module when accessing the other station's
programmable controller CPU using the A compatible 1C frame.
5 WHEN COMMUNICATING USING THE A COMPATIBLE 1C FRAMES
Q series C24
Station number 2
PC number FF
H
or, for stations connected by a network
H
to 78 (65 to 120) of the CC-Link IE Controller Network, CC-Link IE Field Network cannot
H H
Q series C24
Station number 31
PC number FF
to 40 . They are obtained by converting
H H
PC number designated by external device
FF
FF
01 to 40 (1 to 64): Station number of access station
H H
(
00
H
H
H
2
)
H
5 - 10