Mitsubishi Electric FX3U-CAN, User Manual

Page: 92 / 228

5 Introduction of Functions
5.8 Network Management
86
FX
3U
-CAN User's Manual
1. Object H1F80: NMT startup
Set H1F80 bit 5 to ON to participate in NMT flying master negotiation.
→
For NMT startup, refer to Subsection 5.8.5
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
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
×
{CANopen
®
device time slot (Sub-index H05)}
7. Object H1F90 Sub-index H05: CANopen
®
device time slot
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.
Value (hex) Description
0000 Priority high
0001 Priority medium
0002 Priority low
0003 to FFFF Reserved
priority > own priority
NMT slave mode
NMT master mode
Continue with NMT
master startup
Send Service
Confirmation
NMT flying master
negotiation
yes
Send Service Force
NMT flying master
negotiation
no
OD Index H1F90
Sub-index H03
BFM #27
Flying master priority =
Priority level

128 + Node-Id
The lower the number is, the
higher the priority!
To the previous page
Reserved NMT master priority level
15 ... 8
7 ... 0