Specifications

App - 9
Link special relay (SB) list (Continued)
Use permitted/prohibited
Control
station
Normal
station
Remote
master
station
Remote
I/O
station
No. Name Description
Optical Coaxial
O
ptical
Coaxial Optical Coaxial Optical Coaxial
*
3
SB0056
(86)
Communication status
Indicates the status of the transient transmission. (Valid when SB0047 is off.)
Off: Transient transmission by control station
On: Transient transmission by sub-control station
SB0057
(87)
Parameter type
Indicates the parameter type.
Off: MELSECNET/10 parameter
On: MELSECNET/H parameter
SB0058
(88)
Sub-control station link
Indicates the status of cyclic transmission when a control station is down.
Off: Cyclic transmission made by sub control station
On: Cyclic transmission not made by sub control station
SB0059
(89)
Low-speed cyclic
designation
Indicates whether or not there are any parameter settings for the low-speed cyclic
transmission.
Off: No setting
On: Setting exists
*
3
SB0064
(100)
Reserved station
designation
Indicates whether or not the station is reserved. (Valid when SB0049 is off.)
Off: No reserved station
On: Reserved station exists
Turns off when the SW0064 to SW0067 are all "0".
*
3
SB0068
(104)
Communication mode
Indicates the link scan mode (status of supplemental settings of the common
parameters).
(Valid when SB0049 is off.)
Off: Normal mode
On: Constant scan mode
*
3
SB0069
(105)
Multiplex transmission
designation
Indicates the transmission designation status (status of supplemental settings of
the common parameters).
(Valid when SB0049 is off.)
Off: Normal transmission designation
On: Multiplex transmission designation
*
3
SB006A
(106)
Multiplex transmission
status
Indicates the transmission status.
Off: In normal transmission
On: In multiplex transmission
*
3
SB0070
(112)
Baton pass status of
each station
Indicates the baton pass status of each station. (Not applicable to reserved stations
and the stations with the maximum station number or higher)
Off: All stations normal
On: Faulty station exists
Turns off when SW0070 to SW0073 are all "0".
*
3
SB0071
(113)
Baton pass status of
the remote master
station
Indicates the baton pass status of the master station. (Including when there is an
online loop test.)
Off: Master station baton pass normal.
On: Master station baton pass error.
*
3
SB0074
(116)
Cyclic transmission
status of each station
Indicates the cyclic transmission status of each station. (Not applicable to reserved
stations and the stations 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 SW0074 to SW0077 are all "0".
*
3
SB0075
(117)
Remote master station
cyclic transmission
status
Indicates the cyclic transmission status of the master station. (Including when there
is an online loop test.)
Off: Master station cyclic transmission normal
On: Master station cyclic transmission error.
*
3
SB0078
(120)
Parameter status of
each station
Indicates the parameter transmission status of each station. (Not applicable to
reserved stations and the stations with the maximum station number or higher)
Off: Not executing parameter communication
On: Executing parameter communication
Turns off when SW0078 to SW007B are all "0".
*3: Valid only when SB0047 is off. When it turns on (error), the last data are retained.