Mitsubishi FX3U-16CCL-M User Manual

10 Buffer Memory
10.12 Link special relay/Link special register (SB/SW)
119
FX3U-16CCL-M User's Manual
1
Introduction
2
Specification
3
System Configuration
4
Installation
5
Wiring
6
Introduction of Functions
7
Data Link Processing Time
8
Parameter Setting
9
Data Link Procedure
10
Buffer Memory
10.12 Link special relay/Link special register (SB/SW)
10.12.1 [BFM#1504 to #1535] Link special relay (SB)
The data link status can be checked using these buffer memory addresses for bit information (link special
relays SB).
The table below shows details for the link special relays (SB).
SB No.
BFM No.
Name Description
Applicability
( : Applicable,
: Not applicable)
R/W
Hex. Dec. Bit Online Offline
SB0000 5E0H 1504 b0 Data link restart
Restarts the data link which was stopped by SB0002.
OFF: Does not give restart specification.
ON : Gives restart specification.
R/W
SB0002 5E0H 1504 b2 Data link stop
Stops the data link in the master station.
If the master station sets this relay to ON, the entire system
stops.
OFF: Does not give stop specification.
ON : Gives stop specification.
R/W
SB0004 5E0H 1504 b4
Request for temporary
error invalid station
Determines stations specified by SW0003 or SW0004 as
temporary error invalid stations.
OFF: Does not give the request.
ON : Gives the request.
R/W
SB0005 5E0H 1504 b5
Request for cancel of
temporary error invalid
station
Cancels the stations specified by SW0003 or SW0004 from
temporary error invalid stations.
OFF: Does not give the request.
ON : Gives the request.
R/W
SB0008 5E0H 1504 b8 Request for line test
Executes the line test to the stations specified by SW0008.
OFF: Does not give the request.
ON : Gives the request.
R/W
SB0009 5E0H 1504 b9
Parameter information
read request
Reads the parameter setting information for the actual
system configuration. (enabled only on ver. 1 compatible
slave stations)
OFF: Does not give the request.
ON : Gives the request.
R/W
SB000B 5E0H 1504 b11
Transmission speed
test request
Use this to perform the transmission speed test.
OFF: Does not give the request.
ON : Gives the request.
R/W
SB0020 5E2H 1506 b0 Unit status
Indicates the unit access (unit operation) status.
OFF: Normal (Unit is operating normally)
ON : Abnormal (unit error has occurred)
R/O
SB0040 5E4H 1508 b0
Data link restart
acceptance status
Indicates the data link restart specification acceptance
status.
OFF: Not accepted
ON : Accepted
R/O
SB0041 5E4H 1508 b1
Data link restart
completion status
Indicates the data link restart specification acceptance
completion status.
OFF: Not completed
ON : Completed
R/O
SB0044 5E4H 1508 b4
Data link stop
acceptance
Indicates the data link stop specification acceptance status.
OFF: Not accepted
ON : Accepted
R/O
SB0045 5E4H 1508 b5 Data link stop complete
Indicates the data link stop specification acceptance
completion status.
OFF: Not completed
ON : Completed
R/O
SB0048 5E4H 1508 b8
Temporary error invalid
station acceptance
status
Indicates the temporary error invalid station request
acceptance status.
OFF: Not accepted
ON : Accepted
R/O
SB0049 5E4H 1508 b9
Temporary error invalid
station completion
status
Indicates the temporary error invalid station request
acceptance completion status.
OFF: Not completed
ON : Temporary error invalid stations are determined/
Specified station number is invalid
R/O

Mitsubishi FX3U-16CCL-M Specifications

General

Brand	Mitsubishi
Model	FX3U-16CCL-M
Category	Controller
Language	English