
EDS94AYCCA EN 5.0 - 06/2012
L
81
E94AYCCA communication manual (CANopen®)
Monitoring
Heartbeat protocol
10.2.1
Telegram structure
The heartbeat telegram from the producer has the following identifier:
Identifier (COB-ID) = 1792 + node address of the producer
The user data (1 byte) contain the status (s) of the producer:
10.2.2
Parameter setting
Short overview of the parameters for the "Heartbeat" monitoring function:
Heartbeat producer time
Time interval for the transmission of the heartbeat telegram to one or several consumers.
Can be parameterised in
or via the
object. The parameterised
time is rounded down to an integer multiple of 5 ms.
The heartbeat telegram is automatically transmitted as soon as a time > 0 ms is set.
Heartbeat producer status
Data
Communication status
Decimal value
(s)
(r)
Producer status (s)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Boot-up
0
0
0
0
0
0
0
0
0
Stopped
4
0
0
0
0
0
1
0
0
Operational
5
0
0
0
0
0
1
0
1
Pre-operational
127
0
1
1
1
1
1
1
1
Parameter
Information
Lenze setting
Assignment
Value Unit
Consumer
Producer
CAN heartbeat activity
-
z
CAN heartbeat status
-
z
CAN heartbeat producer time
0 ms
z
CAN heartbeat consumer time
0x00000000
z
Resp. to CAN heartbeat error
No response
z
CAN behaviour in the case of error
Pre-operational state
z
z
Highlighted in grey = display parameter
Note!
Heartbeat and node guarding protocols must not be used simultaneously on a
CANopen device. If the heartbeat producer time is set > 0 ms, the heartbeat
protocol is used.
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