Mitsubishi Electric L26CPU-BT User Manual page 468

(a) Timing chart of link special relay (SB) and link special register (SW)
SB0002 (Data link stop)
SB000B
(Transmission speed test request)
SB0185
(Transmission speed test accept status)
SB0186
(Transmission speed test completion
status)
SW0183 (Transmission speed test result)
SW0184 to SW0187 (Transmission speed test result for each station)
SB0184 (Transmission speed test result for standby station)
466
Set SB0002 (Data link stop) to ON to stop data link.
Set SB000B (Transmission speed test request) to ON to start transmission
speed test.
Upon start of the test, SB0185 (Transmission speed test accept status) is
set to ON.
Upon completion of the test, SB0186 (Transmission speed test completion
status) is set to ON.
Transmission speed test is complete in approx. 10 seconds.
By SW0183 (Transmission speed test result), check the transmission speed
test result.
Check if the same transmission speed is set for device and master stations,
with the following link special relay (SB) and link special register (SW).
[For device stations (except standby master station)]
• SW0184 to SW0187 (Transmission speed test result for each station)
[For standby master station]
• SB0184 (Transmission speed test result for standby master station)
After confirming the test results, set SB000B (Transmission speed test
request) to OFF.
ON
OFF
ON
OFF
ON
OFF
Transmission speed test
OFF
End
Performed by the L series Master/local module
Performed by program
ON
Test result