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10
6.1.4 Re-initialisation of the inclination sensor
If a node is not operating properly, it is advisable to carry out a re-initialisation�
After re-initialisation, the inclination sensor accesses the bus in pre-operational
mode�
Identifier
Byte 0
Byte 1
Meaning
0h
82h
00h
Reset communication
0h
082h
NN (in hex)
Reset node
Polled mode
By a Remote Transmission Request Telegram, the connected host calls for the
current process value� The inclination sensor uses the current position value,
calculates eventually set-parameters and returns the obtained process value by
the same identifier�
Cyclic mode
The inclination sensor cyclically transmits the current process value, without being
called by the host� The cycle time can be programmed in milliseconds for values
between 1 ms and 65536 ms�
Sync mode
The inclination sensor answers with the current process value after receiving a
sync telegram� The parameter sync counter can be programmed to skip a certain
number of sync telegrams before answering again�
Heartbeat function
A node signals its communication status by cyclically transmitting a heartbeat
message� This message is received by one or any number of members (Heartbeat
Consumers) in the bus and so they can control the dedicated node (Heartbeat
Producer)�
6.2 Boot-up procedure
The general boot-up process and a mapping view of the different modes are illus-
trated below (boot-up message for node ID 10 = 70Ah)
Number
Description
1
Module power-up
2
After initialisation, the module automatically goes into pre-operational mode
3
NMT: Start remote node
4
NMT: Pre-operational mode
5
NMT: Stop remote node
6
NMT: Reset node
7
NMT: Reset communication
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