Link Special Registers (Sw) - Mitsubishi Electric MELSEC QS Series User Manual

8
PROGRAMMING SPECIFICATIONS

8.3.2 Link special registers (SW)

Data in SW0000 to SW001F are changed with a sequence program or the device test
function of GX Developer, and data are automatically stored in SB0020 to SB01FF. The
values in parentheses in the number column indicate the buffer memory addresses.
Number Name
Sets the station for which line tests are executed.
0
SW0008 Line test
01 to 64
(608 ) station setting
H
Default value
Indicates the status of communication with the safety CPU module.
Since this is information updated by the system, do not write this by
sequence programs or in a device test.
SW0020
Module status
0
(620 )
H
Other than 0 : Stores an error code for safety CPU
Indicates the execution result of the line test that was requested by
SB0008.
SW004D Line test
0
(64D ) result
H
Other than 0 : Stores an error code (see Section 9.5)
Stores the details of the LED indication status.
0
1
b15b14b13b12 b11
SW0058 Detailed LED
(658 ) status
H
* 1 Safety remote net (Ver. 1 mode)
* 2 Off line, Hardware test or Line test.
Table8.6 Link Special Register List (1/7)
Description
: Entire system (executed for all stations)
: Specified station only
: 0
: Normal
module
: Normal
: OFF
: ON
b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 0 0
LINE(ERROR) :
TIME(ERROR) :
PRM(ERROR) :
M/S(ERROR) :
SW(ERROR)
MST
ERR.
RUN
8.3 Link Special Relays and Registers (SB/SW)
8.3.2 Link special registers (SW)
(
SAFETY
Cable is disconnecyed or the
transmission plath is affected by
noise.
Responses cannot be received from
any station due to the cable being
disconnected or the transmision path
being affected by noise.
Invalid parameter value
Overlap master station on the same
line
:
Error in switch settings
:
Operating as the master station
:
Error occurrence
:
The module is operating normally.
Availability
:Available, :Not available)
1
Online*
2
Offline*
TEST
MODE MODE
8
- 20
1
2
3
4
5
6
7
8