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WIKA Additional Instructions Pressure Transmitter with CANopen Interface D-20-9 / D-21-9 40

9. Network Management Objects

Module Control Services

Through Module Control Services, the NMT master controls the state of the NMT slaves. The state attribute is

one of the values {STOPPED, PRE-OPERATIONAL, OPERATIONAL and INITIALISING}. The Module Control

Services can be performed with a certain node or with all nodes simultaneously. The NMT master controls its

own NMT state machine via local services, which are implementation dependent.

Module Control Protocol

NMT Master request

ID DLC Byte0 Byte1

00h 2 CS

Node-ID

(0 = all

slaves)

CS: NMT command specifier

NMT services are unconfirmed.

Start Remote Node

Through this service the NMT Master sets the state of the selected NMT Slaves to "OPERATIONAL".

CS = 01h

Stop Remote Node

Through this service the NMT Master sets the state of the selected NMT Slaves to "STOPPED". This service

is unconfirmed.

CS = 02h

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Wika D-21-9 Manuel d'utilisateur Page 40