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Functions
Network Management
4 – 48
MITSUBISHI ELECTRIC
4.8.9
Request node guarding
This object indicates the node guarding state for a unique CANopen
device in the network. The sub-
index corresponds to the node-ID of the CANopen
devices in the network. The sub-index 80
H
rep-
resents all nodes.
Object 1F83
H
, Sub-index 01
H
–80
H
: Request node guarding
4.8.10 Flying
master
The Flying Master mechanism provides services for a hot stand-by NMT master within a CANopen
network. All flying masters shall monitor the heartbeat of all masters in the network. A new negoti-
ation is automatically started if the active master fails. The master with the highest priority and the
lowest node ID wins the negotiation. A new negotiation is started when a new NMT master with a
higher priority than the active NMT master joins the network.
The flying NMT master priority is defined by node ID * NMT master priority, and the lower value has the
higher priority.
In Un\G25 bit 15 indicates whether the module is the current NMT master (refer to section 3.5.5).
NOTE
If node guarding is not set, the node guarding will not start.
Value (hex)
Description
Read
Write
00
Node guarding stopped
Stop node guarding
01
Node guarding started
Start node guarding
02–FE
Reserved
Tab. 4-32:
Description for object 1F83
H
Fig. 4-35:
CANopen
network with flying masters
NOTES
If flying master is enabled in the module and no heartbeat producing is set, the heartbeat produc-
ing is automatically set to 1000 ms.
If the module lose the negotiation and no heartbeat consuming is set for the active NMT master,
the heartbeat consuming is set automatically to (1500
쎵
10
쎹
node ID) ms.
If the heartbeat producing and consuming is set manually, please set a different consuming time
for each NMT master (active and hot stand-by). This is necessary so that when the active NMT mas-
ter is timed-out, that only one hot stand-by NMT master initiates the flying master negotiation.
Terminating
resistor
Terminating
resistor
Active
NMT-Master
Hot Stand-by
NMT-Master
Hot Stand-by
NMT-Master
Содержание CANopen ME3CAN1-L
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Страница 10: ...IV ...
Страница 18: ...Abbreviations and Generic Terms Overview MELSEC L Series CANopen Module ME3CAN1 L 1 4 ...
Страница 22: ...System Configuration System Equipment 2 4 MITSUBISHI ELECTRIC ...
Страница 66: ...Detailed Description of the Module Buffer Memory Details Layer 2 Message Mode 3 44 MITSUBISHI ELECTRIC ...
Страница 144: ...Programming CANopen PDO Communication using Function Blocks 7 6 MITSUBISHI ELECTRIC Fig 7 6 Example Program 2 ...
Страница 146: ...Programming CANopen PDO Communication using Function Blocks 7 8 MITSUBISHI ELECTRIC Fig 7 8 Example Program 4 ...
Страница 148: ...Programming CANopen PDO Communication using Function Blocks 7 10 MITSUBISHI ELECTRIC Fig 7 10 Example Program 6 ...
Страница 150: ...Programming CANopen PDO Communication using Function Blocks 7 12 MITSUBISHI ELECTRIC Fig 7 12 Example Program 8 ...
Страница 152: ...Programming CANopen PDO Communication using Function Blocks 7 14 MITSUBISHI ELECTRIC Fig 7 14 Example Program 10 ...
Страница 154: ...Programming CANopen PDO Communication using Function Blocks 7 16 MITSUBISHI ELECTRIC Fig 7 16 Example Program 12 ...
Страница 156: ...Programming CANopen PDO Communication using Function Blocks 7 18 MITSUBISHI ELECTRIC Fig 7 18 Example Program 14 ...
Страница 158: ...Programming CANopen PDO Communication using Function Blocks 7 20 MITSUBISHI ELECTRIC Fig 7 20 Example Program 16 ...
Страница 160: ...Programming Layer 2 Communication 7 22 MITSUBISHI ELECTRIC Local Label Setting Fig 7 22 Local Label for this example 1 ...
Страница 161: ...Layer 2 Communication Programming MELSEC L Series CANopen Module ME3CAN1 L 7 23 Fig 7 23 Local Label for this example 2 ...
Страница 162: ...Programming Layer 2 Communication 7 24 MITSUBISHI ELECTRIC Program Fig 7 24 Example Program 1 ...
Страница 163: ...Layer 2 Communication Programming MELSEC L Series CANopen Module ME3CAN1 L 7 25 Fig 7 25 Example Program 2 ...
Страница 164: ...Programming Layer 2 Communication 7 26 MITSUBISHI ELECTRIC Fig 7 26 Example Program 3 ...
Страница 165: ...Layer 2 Communication Programming MELSEC L Series CANopen Module ME3CAN1 L 7 27 Fig 7 27 Example Program 4 ...
Страница 166: ...Programming Layer 2 Communication 7 28 MITSUBISHI ELECTRIC Fig 7 28 Example Program 5 ...
Страница 167: ...Layer 2 Communication Programming MELSEC L Series CANopen Module ME3CAN1 L 7 29 Fig 7 29 Example Program 6 ...
Страница 172: ...Programming Layer 2 Communication 7 34 MITSUBISHI ELECTRIC Fig 7 39 Example Program 2 Set message parameter to module ...
Страница 178: ...Layer 2 Communication Programming MELSEC L Series CANopen Module ME3CAN1 L 7 40 ...
Страница 184: ...Troubleshooting Error Code and Error Message Summary 8 6 MITSUBISHI ELECTRIC ...
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