Mitsubishi QJ71DN91 User Manual page 58

3 SPECIFICATIONS
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(18) Slave Function Communication Status (address 0600
These addresses indicate the I/O communication status of the QJ71DN91 slave
function. The values listed in Table 3.23 are stored according to the status of
communication.
Table 3.23 I/O communication status of the slave function
Value Name
0000 Offline
H
0040 Stop
H
0080 Ready
H
00C0 Operate
H
When the power is turned ON, the status of the slave function automatically
changes from Offline to Stop if the auto communication start setting in the buffer
memory address 0631
Offline to Operate if the setting is 1.
If a reset message is received from the DeviceNet network, the status
automatically returns to Offline, then makes transitions from Offline to Operate.
However, if the connection is not assigned from the master node, the status
becomes Ready and cannot make a transition to Operate.
Initialization in progress, bus-off, network power OFF
I/O communication being stopped
Waiting to establish the connection from the master node
I/O communication in progress
is 0. The status automatically makes transitions from
H
Offline
Stop
Ready
Operate
MELSEC-Q
/1536)
H
Operation
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