Mitsubishi Electric QJ71DN91 User Manual page 56

3 SPECIFICATIONS
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(5) Failed Node Detection Setting (address: 01CC
463)
Whether or not to detect a failed node is set in this area.
The setting determines whether or not the off status in Node Communication
Status (address: 01BC
• When the corresponding bit is on: Slave Down Signal (X04) is not set to on even
• When the corresponding bit is off: Slave Down Signal (X04) is set to on if the
Table 3.23 Node No. corresponding to each bit in Failed Node Detection Setting
Buffer memory address
(Hex.)
01CC
H
01CD
H
01CE
H
01CF
H
POINT
For a node that is set as a reserved node with a master function parameter, turn on
the corresponding bit of Failed Node Detection Setting. If it remains off, it is
recognized as a failed node even if it is just a reserved node.
to 01BF ) is reflected to Slave Down Signal (X04).
H H
if the slave node went down.
slave node went down.
Node No. corresponding to each bit
Bit 15 Bit 14
Node 15 Node 14
Node 31 Node 30
Node 47 Node 46
Node 63 Node 62
MELSEC-Q
to 01CF /460 to
H H

Bit 1 Bit 0

Node 1 Node 0

Node 17 Node 16

Node 33 Node 32

Node 49 Node 48
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