Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 80

3 SPECIFICATIONS
3 - 26
(7) Transient transmission enabled even at CPU module error
By using this function, the network module can continue the transient
transmission even if an error that stops the CPU module occurs while the system
is operating.
The description of the error of the corresponding station can be checked from
other stations using GX Developer.
OPERATION ERROR
QCPU QJ71
QCPU QJ71
The following table lists the operations of the cyclic and transient transmissions
for each CPU module status.
CPU module status
Battery error
Annunciator error ON, etc.
(Continue error)
Parameter error
Instruction code error, etc.
(Stop error)
CPU reset, etc.
(MAIN CPU down)
1 When the CPU module on the target station is an ACPU, a communication
error occurs.
In case of the QCPU and QnACPU, a CC-Link IE Controller Network, CC-
Link IE Field Network, MELSECNET/H, MELSECNET/10 error is returned.
LP21
LP21
Cyclic transmission
Rank
Minor error Continued
Medium error Stopped
Major error Stopped
MELSEC-Q
QCPU QJ71
LP21
QCPU QJ71
LP21
GX Developer
Transient transmission
Enabled
Enabled
Disabled 1
3 - 26