CANopen Mode ASDA-B3
11-16
11
The servo drive can play two roles simultaneously, the consumer and producer, but you need to
set OD 1016h and OD 1017h at the same time. And the controller must also be set as the
producer and consumer.
Node / Life Guarding
The Node / Life Guarding mechanism is similar to that of Heartbeat. The main difference
between the two is that Heartbeat only uses the consumer to judge whether there are packets
or not, and the producer does not make this judgment. The mechanism of Node / Life Guarding
is mainly based on the master-slave axis and the two-way relationship. The master axis
periodically sends packets to the slave axis, and the slave axis must return the packets to the
master axis within the set guard time (OD 100Ch), otherwise an error occurs. You must set the
life time for the slave axis and the master slave must send the packets within the life guard time.
If the slave axis does not receive the packets, AL180 is triggered. Life time is set by multiplying
the guard time by a life time factor (OD 100Dh).
The Node / Life Guarding architecture is as follows:
Master
Node
Guarding
time
COB-ID
COB-ID = 700h + Node-ID
Slave
Node
Life
time
Life Guarding
event
No signal
COB-ID
Bit
7
6 - 0
COB-ID
Master
Slave
COB-ID
Bit
7
6 - 0
Node
Guarding
time
Node Guarding
event
Bit
7
6
5
4
3
2
1
0
Bit
Function
Description
Bit 6 - Bit 0
State of the NMT slave
4 = Stopped
5 = Operational
127 = Pre-operational
Bit 7
-
-
Содержание ASDA-B3 Series
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