Mitsubishi Electric MELSEC-F FX3U-CAN User Manual page 92

FX -CAN User's Manual
3U
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Flying master priority =
Priority level  128 + Node-Id
The lower the number is, the
higher the priority!
OD Index H1F90
Sub-index H03
BFM #27
1. Object H1F80: NMT startup
Set H1F80 bit 5 to ON to participate in NMT flying master negotiation.
2. Object H1F90: NMT flying master timing parameter
This object defines the parameters for the NMT flying master negotiation process.
3. Object H1F90 Sub-index H01: NMT master timeout
The value is in units of ms.
4. Object H1F90 Sub-index H02: NMT master negotiation time delay
The value is in units of ms.
5. Object H1F90 Sub-index H03: NMT master priority
Value (hex)
0000
0001
0002
0003 to FFFF
6. Object H1F90 Sub-index H04: Priority time slot
The value is in units of ms.
Formula for the Priority time slot:
Priority time slot > 127
7. Object H1F90 Sub-index H05: CANopen
The value is in units of ms.
8. Object H1F90 Sub-index H06 Multiple NMT master detect cycle time
The value is in units of ms.
86
priority > own priority
no
Send Service Force
NMT flying master
negotiation
15 ... 8
Reserved
Description
Priority high
Priority medium
Priority low
Reserved
×
®
{CANopen device time slot (Sub-index H05)}
yes
NMT slave mode
→ For NMT startup, refer to Subsection 5.8.5
7 ... 0
NMT master priority level
®
device time slot
5 Introduction of Functions
5.8 Network Management
Send Service
Confirmation
NMT flying master
negotiation
NMT master mode
Continue with NMT
master startup