CL-NET network, COM-LINK
serial connection
324
1SVC 440 795 M1100
Functions of the stations in the network
The stations on the CL-NET can have two different functions:
• Intelligent stations with their own programs (stations 1 to 8)
• Input/output devices (REMOTE IO) without their own
program (stations 2 to 8)
Possible write and read authorisation in the network
The stations have differing read and write authorisation in
the CL-NET network according to their functions and
configuration.
Station 1
Authorised read access to all inputs and outputs of all
stations regardless of the function. Observe the setting of
SEND IO (a section “Send each change on the inputs/
outputs (SEND IO)”, page 327).
Authorised write access to the station’s own local outputs.
Authorised write access to the physical digital outputs of the
stations which are functioning as input/output devices.
Write authorisations to the network bit data 2 to 8 SN 1 to 32.
Stations 2 to 8
Input/output device function
No write and read authorisation.
Intelligent station function
Authorised read access to all inputs and outputs of all
stations regardless of function. Note the SEND IO setting
(a section “Send each change on the inputs/outputs
(SEND IO)”, page 327).
Write authorisation to its own local outputs.
Write authorisations to the network bit data .. SN 1 to 32.
h
Station 1 must always have a circuit diagram.
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