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QJ71LP21
Mitsubishi QJ71LP21 User Manual
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7 - 11
7 - 11
MELSEC-Q
7 APPLICATION FUNCTIONS
2) Q6
4AD
Host
baton
pass status
Commu
nicat
ion
program
for
Q64AD
Host
data
link
status
Stat
ion No.
1 bato
n
pass status
Stat
ion No.
1
parameter s
ignal
status
Network
modul
e
status
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
1 msec
timer
Initial se
tting
reques
t
Initial se
tting data writ p
rocess
Module
READY
Permit
A/D convers
ion of
CH1 to 4
CH1 average cycle
s
CH2 average cycle
s
CH3 average cycle
s
CH4 average cycle
s
Averag
e process de
signation
Write
completion
flag
Operat
ing
condi
tions
setting
reques
t
Operat
ing
condi
tions
setting
reques
t
Operat
ing
condi
tions
setting
reques
t
Operat
ing
condi
tions
setting
completion
Module
read
Write
completion
flag
Stat
ion No.
1
cyclic transmission
status
176
178
Table of Contents
Default Chapter
3
Safety Precautions
3
Revisions
7
Table of Contents
9
Manuals
13
Conformation to the EMC Directive and Low Voltage Instruction
13
Generic Terms and Abbreviations
14
Product Components
15
1 Overview
16
Features
17
Abbreviations Used in the Text, Tables and Diagrams of this Manual
24
Functions Added/Changed with Upgrade to Function Version D
24
2 System Configuration
25
Single Remote I/O Networks
25
Configuration
25
Setting Items
27
Available Device Ranges
27
Multiple Remote I/O Network (Qnphcpu Only)
28
Configuration
28
Setting Items
29
Available Device Ranges
30
Multiplexed Remote I/O Network for Redundant System (Qnprhcpu Only)
31
Configuration
31
Setting Items
32
Available Device Ranges
33
Qj71Lp21S
33
Multiple Remote I/O Network
34
Configuration
34
Setting Items
34
Available Device Ranges
35
Precautions When Configuring the System
36
When Using a Multiple CPU System
39
Checking Function Version and Serial no
41
3 Specifications
42
Performance Specifications
42
Optical Loop System Performance Specifications
42
Coaxial Cable System Performance Specifications
43
Optical Fiber Cable Specifications
44
Coaxial Cable Specifications
45
Function Specifications
48
Cyclic Transmission Function (Periodic Communication)
49
Communicating with Input/Output Module
49
Communicating with Intelligent Function Module
50
RAS Functions
55
Output Reset Function for Communication Errors
55
Automatic Return Function
55
Loopback Function (Optical Loop System)
56
Station Detach Function (Coaxial Bus Systems)
58
Transient Transmission Enabled Even at CPU Module Error
59
Diagnostic Functions
61
Online Module Change in a Remote I/O Station
65
Link Data Send/Receive Processing Time Specifications
71
Link Data Send/Receive Processing
71
Transmission Delay Time
74
Switching Time from the Multiplexed Remote Master Station to the Multiplexed Remote Sub-Master Station in a Multiplexed Remote I/O Network
87
Output Holding Time During System Switching in the Multiplexed Remote I/O Network for Redundant System
88
4 Setup and Procedures before Starting the Operation
93
Procedures before Starting the Operation
93
Network Module Names and Settings
94
QJ71LP21, QJ71LP21-25, QJ71LP21G, QJ71LP21GE, QJ71BR11 (Remote Master Station)
94
Qj72Lp25-25, Qj72Lp25G, Qj72Lp25Ge, Qj72Br15
97
Installing and Uninstalling the Module
99
Stopping the CPU (Unintentional Output Prevention)
101
Checking the Input Power Supply Voltage
101
Powering on
101
Checking the on Status of the POWER LED of the Power Supply Module
101
Checking the on Status of the RUN LED of the Network Module
101
Standalone Check of the Network Module (Offline Tests)
102
Self-Loopback Test
103
Internal Self-Loopback Test
104
Hardware Test
105
Cable Connections
106
Optical Loop System
106
Coaxial Bus System
108
Offline Tests from GX Developer
113
Forward Loop/Reverse Loop Test (Remote Master Station Only)
113
Network Diagnostics from GX Developer (Online Tests)
116
Loop Test (Optical Loop System Only)
117
Setup Confirmation Test
118
Station Order Check Test (Optical Loop System Only)
119
Communication Test
120
5 Parameter Settings
121
Remote Master Station Parameter Setting
125
Setting the Number of Module Cards (Network Type)
125
Network Settings
126
Starting I/O no
126
Network no
126
Total (Slave) Stations
126
(Can be Set for Multiplexed Remote Master Station/Multiplexed Remote Sub-Master Station Only)
127
Mode
127
Parameter Setting Example
128
Common Parameter
129
LX/LY Settings
129
LB/LW Setting
131
Reserved Station Designation
132
Remote Sub-Master Station
132
Supplemental Settings
134
Network Refresh Parameters
136
Valid Module During Other Station Access
144
Redundant Settings
145
Remote I/O Station Parameter Settings
146
Remote I/O Station Possible Parameter Settings
146
6 Programming
151
Programming Precautions
151
Interlock Related Signals
151
Program Example
154
Cyclic Transmission
156
32-Bit Data Guarantee
156
Block Guarantee of Cyclic Data Per Station
157
Communication between Input/Output Module and Intelligent Function Module
158
Dedicated Link Instruction List
162
Using the Link Special Relays (SB)/ Link Special Registers (SW)
166
7 Application Functions
167
Transient Transmission Function (Non-Periodical Communication)
168
Dedicated Link Instruction
169
Reading/Writing Remote I/O Station Intelligent Function Module Buffer Memory (REMFR/REMTO)
169
Remote I/O Station System Monitor
179
Device Test for Remote I/O Station
180
Multiplex Transmission Function (Optical Loop System)
182
Return Sequence Station Number Setting Function
183
Reserved Station Function
183
Interrupt Settings
184
I/O Assignment Function
185
Stopping/Restarting the Cyclic Transmission and Stopping Link Refreshing (Network Test)
186
Multiplexed Remote Master Function (Qnphcpu Only)
187
Backup Function of Master Operation on System Switching between Control System and Standby System
203
Master Operation by the Station that Has Started up as the Control System
204
System Switching Request Function of Control System
205
Remote Password
208
8 Troubleshooting
212
Network Diagnostics (Network Monitor)
213
Host Information
215
Other Station Information
217
Network Monitor Details
219
Error History Monitor
222
Troubleshooting
223
Items to be Checked First
231
When Data Link Cannot be Executed on the Entire System
231
When Data Link Is Disabled Because of Reset or Power off of each Station
232
When a Specific-Station's Data Link Cannot be Executed
232
When the Transmission and Reception Data Are Abnormal
233
When the Dedicated Link Instruction Is Not Completed
233
When a Multiplexed Remote I/O Network for the Redundant System Does Not Operate Normally
234
Error Codes
237
MELSECNET/H Error Code List
237
Error Codes Corresponding to CPU Module Detected on Remote I/O Station
249
H/W Information
367
Appendix 1 Precautions When Changing over from a MELSECNET/10 Remote I/O Network to a MELSECNET/H Remote I/O Network
369
Appendix 2 Link Special Relay (SB) List
371
Appendix 3 Link Special Register (SW) List
379
Appendix 4 Special Relay (SM) for Remote I/O Modules List
396
Appendix 5 Special Register (SD) for Remote I/O Module List
399
Appendix 6 Discontinued Models that Can be Mounted on Remote I/O Stations
411
Appendix 7 External Dimensions
412
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Mitsubishi QJ71LP21 Specifications
General
Brand
Mitsubishi
Model
QJ71LP21
Category
Controller
Language
English
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