Profinet
MI3 Rev. G Nov/2015 109
17 Profinet
The Profinet fieldbus MI3 communication box (called fieldbus communicator) maps the object and
internal temperature of all pyrometer modules on Profinet IO. In the initialization phase, the fieldbus
communicator determines the physical structure of the node and creates a local process image with all
pyrometers.
The diagnostics concept is based on channel specific diagnostic messages that are mapped to the
respective alarms. Coding is done according to IEC 61158 Profinet IO.
Specification:
Type: Profinet IO
Conformance class: A
Real-Time class: 1 (RT) and the Real-Time class UDP
Connection: M12 or RJ45
electrically isolated
Transfer speed 100 Mbit/s full-duplex, also with auto-negotiation
Head support up to 8 pyrometer modules (MI3 or MI3100 sensing heads)
Configurable substitute value behavior for each pyrometer module in the
event of failure
Power supply: 12 to 24 V (500 mA max.)
17.1 Wiring
Details for the wiring you can find under Ethernet in section 16.1 Wiring, page 103.
17.1.1 Status LED
The status LED’s are relevant for the Comm Box (DIN) only signalizing the following operating states.
Waiting for configuration and parameters
Device is in data-exchange mode
Figure 89: Status LED’s for the Comm Box (DIN)
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