System Overview
SICAM RTUs, SICAM MIC System Description 25
MC6-054-2.00, Edition 07.2014
Examples for the 2-Line Arrangement
2.3.3.2 TM Peripheral Bus
The TM bus serves for the power supply of the individual modules and for the communication
of the I/O modules with the master control module. The communication takes place in the
master/slave process, wherein the I/O modules are the slaves.
The I/O modules are automatically addressed on the TM bus based on the sequence of phys-
ical fitting. The I/O module connected directly to the peripheral control module has the least
significant address.
The I/O modules are checked cyclically for functioning via the TM bus. A failure is detected af-
ter max. 200 ms. The "RY" LED goes out on the corresponding I/O module.
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