Mitsubishi MELSEC Q Series Reference Manual page 107

(a)
(b) (c)
Spn0—0qcFF—Ht0
The programmable controller CPU
of the station accessed by the
External device shown in the
description in Section 3.1.4.
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3 WHEN COMMUNICATING USING THE QnA COMPATIBLE 3E/3C/4C FRAMES OR 4E FRAME
1) The numerical values in the symbols (< >, [ ] ) shown at the right side of
the station in the figures provide the following information.
< > : Station number of the C24 loaded to the corresponding station
[ ] : Head input/output signal of the C24 loaded to the corresponding
station
2) Meaning of the symbols indicated by the arrows to each station in the
diagrams
The alphanumeric characters before or after the symbol is the contents
(value) of the relevant data in the message when an external device
accesses the station.
3) The external device connection station and access destination are
explained in the section that describes the data communication formats
in the QnA compatible 3C frames
The following diagram shows an example of an external device
connection station sending the transmission data shown in the
description of each format in Section 3.1.4 and the programmable
controller CPU accessed by the external device.
External device
(f)
QCPU
C24
<0>
< >: Station number on which the Q series C24 is
set self-station number of the external device
<0>
[ ]: Head input/output signal of the Q series C24
[0020 ]
H
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