Mitsubishi Electric MELSEC-A Series Manual page 187

5
REPLACEMENT OF THE MELSECNET/10 (REMOTE I/O NETWORK)
Item
Automatic return
function
Loopback function
Station detach
function
Transient
transmission
available even if
programmable
controller CPU is in
error
Checking the
transient
transmission
abnormal detection
time
Diagnostic function
Blown fuse error and
input/output
verification error
check disabled
function
*1 Use GX Developer.
*2 Use GX Works2 or GX Developer.
Description
QnA/QnAS series
*1
MELSECNET/10 module MELSECNET/H module
Returns the station disconnected from data link to the
system when it goes to normal status and restarts data
link.
Keeps normal operation between operable stations by
disconnecting faulty area at error occurrence such as
cable break.
Keeps normal operation between operable stations
except faulty stations and stations switched off.
Checks the errors for CPU modules of which a stop error
occurs, via network from GX Works2 or GX Developer.
Checks error completion time, abnormal detection
network number and abnormal detection station number
of transient transmission.
Checks line conditions of the network and setting
conditions of the module.
Sets the error check of the blown fuse error and the input/
output verification error.
Compat-
Q series
Precautions for replacement
ibility
*2
• Substitute the forward loop/
• Set diagnostic items for
Set the function with the PLC
parameter of the remote I/O
module.
reverse loop test for the
station-to-station test.
station-to-station test and
forward loop/reverse loop test
in GX Works2 or GX
Developer network
parameters.
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