Mitsubishi QJ71BR11 User Manual

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MELSEC-Q
3 SPECIFICATIONS
(4) SB/SW when a communication error station/communication stop
station occurs on the network
The status of whether there are any communication error/communication stop
stations on the network can be checked with the link special relay/register
(SB/SW).
Use them as interlocks for programs.
Link special relays and registers
Signal status
Link special
relay/register
Description
Off On
SB47 Shows the baton pass execution status of the host.
The baton
pass is being
executed
The baton
pass is
stopped
SB49 Shows the cyclic transmission status of the host. Normal Abnormal
SB70
Shows the baton pass execution status of all
stations (including the host). However, it only shows
the status for the number of stations set with
parameters.
The baton
pass is being
executed on
all stations
Occurrence
of
communicati-
on stop
station
SW70 to 73
Shows the baton pass execution status of each
station.
Each bit corresponds to the status of each station.
The baton
pass is being
executed
The baton
pass is
stopped
SB74
Shows the cyclic transmission status of all stations
(including the host). However, it only shows the
status for the number of stations set with
parameters.
All stations
normal
Occurrence
of abnormal
station
SW74 to 77
Shows the cyclic transmission status of each station.
Each bit corresponds to the status of each station.
Normal Abnormal
3.3.2 Transmission delay time
The names of items (1), (2) on the following pages indicate those between the
following stations.
M
R
R
R
(1)
DM
R
R
R
DSM
R
(1)
(1)
(2)
Multiplexed remote
sub-master station
Multiplexed remote
master station
Remote master station
Remote I/O station
Remote I/O station
Item Name
Remote master station remote I/O station
Multiplexed remote master station multiplexed remote sub-master station

Mitsubishi QJ71BR11 Specifications

General

Brand	Mitsubishi
Model	QJ71BR11
Category	Controller
Language	English