Mitsubishi QJ71LP21 User Manual

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MELSEC-Q
6 PROGRAMMING
List of Interlock Devices
Use permitted/prohibited
Control
station
Normal
station
Remote
master
station
Remote I/O
station
No. Name Description
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
SB0020
(32)
Module status
Indicates the network module status.
Off: Normal
On: Abnormal
When PLC to PLC network
Indicates the station type set with the parameter of the host's
network module.
Off: Normal station
On: Control station
SB0044
(68)
Station setting
(host)
When remote I/O network
Indicates the station type set with the parameter of the host's
network module.
Off: Remote I/O station or multiplexed remote sub-master
station
On: Remote master station or multiplexed remote master
station
SB0047
(71)
Baton pass status
(host)
Indicates the host's baton pass status (transient transmission
enabled).
Off: Normal
On: Abnormal
Control station
status
(host)
When PLC to PLC network
Indicates the host's status.
Off: Normal station
On: Control station (SB0044 is on)
Sub-control station (SB0044 is off)
1
SB0048
(72)
Remote master
station status (host)
When remote I/O network
Indicate the host status
Off: Remote I/O station
On: Remote master station
SB0049
(73)
Host data link
status
Indicates the host's data link operation status.
Off: Normal
On: Abnormal (Set after refreshing completes.)
1
SB0070
(112)
Baton pass status
of each station
Indicates the baton pass status of each station. (Not applicable to
reserved stations and the station with the maximum station number
or higher)
Off: All stations normal
On: Faulty station exists
Turns off when the SW0070 to SW0073 are all "0."
1
SB0074
(116)
Cyclic transmission
status of each
station
Indicates the cyclic transmission status of each station. (Not
applicable to reserved stations and the station with the maximum
station number or higher)
Off: All stations are executing data linking
On: Stations that are not executing data linking exist
Turns off when the SW0074 to SW0077 are all "0."
1
SW0070
(112)/
SW0071
(113)/
SW0072
(114)/
SW0073
(115)
Baton pass status
of each station
Stores the baton pass status of each station (Including the host).
<Online>
0: Normal (including the stations with the maximum station
number and smaller numbers as well as reserved stations)
1: Abnormal
<Offline test>
0: Normal
1: Abnormal (including the stations with the maximum station
number and smaller numbers as well as reserved stations)
16
32
48
64
15 14 13 5 4 3 2 1
31 30
47 46
63 62
29
45
61
21 20 19 18 17
37 36 35
34
33
53 52 51 50 49
to
to
to
to
b15 b14 b13 b12 b4 b3 b2 b1 b0
SW0070
SW0071
SW0072
SW0073
to
Numbers 1 to 64 in the above table
indicate the station numbers.
[Availability column] Optical: optical loop, Coaxial: coaxial bus
: Available, : Not available
1: Valid only when SB0047 is off. When it turns on (error), the last data are retained.
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Mitsubishi QJ71LP21 Specifications

General

Brand	Mitsubishi
Model	QJ71LP21
Category	Controller
Language	English