Mitsubishi Q02CPU

APPENDICES
Appendix 1 Special Relay List
App
- 20
9
Device Explanation
10
CPU Module Processing Time
11
Procedure for Writing Program to CPU Module
Appendices
Index
TableApp.11 Special relay
ACPU
Special
Relay
Special
Relay after
Conversion
Special
Relay for
Modification
Name Meaning Details Corresponding CPU
M9235 SM1235 ----
Local station,
remote I/O station
parameter error
detect status
OFF : No errors
ON : Error detection
Depends on whether or not a local or a remote I/O station
has detected any link parameter error in the master station
QnA
M9236 SM1236 ----
Local station,
remote I/O station
initial
communications
status
OFF : No communications
ON : Communications
underway
Depends on the results of initial communication between a
local or remote I/O station and the master station.
(Parameter communication, etc.)
M9237 SM1237 ----
Local station,
remote I/O station
error
OFF : Normal
ON : Abnormal
Depends on the error condition of a local or remote I/O
station.
M9238 SM1238 ----
Local station,
remote I/O station
forward or reverse
loop error
OFF : Normal
ON : Abnormal
Depends on the error condition of the forward and reverse
loop lines of a local or a remote I/O station.
M9240 SM1240 ---- Link status
OFF : Online
ON : Offline, station-to-
stationtest, or self-
loopback test
Depends on whether the local station is online or offline, or is
in station-to-station test or self-loopback test mode.
M9241 SM1241 ----
Forward loop line
error
OFF : Normal
ON : Abnormal
Depends on the error condition of the forward loop line.
M9242 SM1242 ----
Reverse loop line
error
OFF : Normal
ON : Abnormal
Depends on the error condition of the reverse loop line.
M9243 SM1243 ----
Loopback
implementation
OFF : Loopback not being
conducted
ON : Loopback
implementation
Depends on whether or not loopback is occurring at the local
station.
M9246 SM1246 ---- Data not received
OFF : Reception
ON : No reception
Depends on whether or not data has been received from the
master station.
M9247 SM1247 ---- Data not received
OFF : Reception
ON : No reception
Depends on whether or not a tier three station has received
data from its master station in a three-tier system.
M9250 SM1250 ----
Parameters not
received
OFF : Reception
ON : No reception
Depends on whether or not link parameters have been
received from the master station.
M9251 SM1251 ---- Link relay
OFF : Normal
ON : Abnormal
Depands on the data link condition at the local station.
M9252 SM1252 ---- Loop test status
OFF : Not being executed
ON : Forward or reverse
loop test execution
underway
Depends on whether or not the local station is executing a
forward or a reverse loop test.
M9253 SM1253 ----
Master station
operation status
OFF : RUN or STEP RUN
status
ON : STOP or PAUSE
status
Control is performed depending on whether the master
station is in the STOP or PAUSE mode.
M9254 SM1254 ----
Local station other
than host station
operation status
OFF : RUN or STEP RUN
status
ON : STOP or PAUSE
status
Control is performed depending on whether a local station
other than the host is in the STOP or PAUSE mode.
M9255 SM1255 ----
Local station other
than host station
error
OFF : Normal
ON : Abnormal
Depends on whether or not a local station other than the host
is in error.