IMC CRONOSflex, Начало работы

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imc CRONOSflex Getting Started Version 1.8 - 08.01.2014
Power supply options 25
1.4.9 Operation with multiple (varying) supply voltages
The minimum voltage requirement of 42 V for PoE pertains to the respective module or block which
supplies the PoE module. This does not necessarily need to be the first block with the base unit, but it
can be adequate for a purely signal-conditioning block as the PoE-module’s “predecessor” to deliver the
voltage, or to be equipped with a 50 V supplemental supply.
PoE requires at least 42 V just at the PoE providing block
In operation with multiple supply voltages of various magnitude, a module’s “leftmost” module can be a
special case: Here, the rule is that the first module supplies itself from the higher of the two voltage
sources (LEMO or PoE on RJ45 patch cable). All of the block’s other modules are supplied from the LEMO
terminal in any case, which must be connected to the first module since PoE supply cannot, as a matter
of principle, be transmitted via direct click-together of modules. For the user, the significance is only that
the block’s first module, along with all others to its left, counts toward the maximum amount of PoE
modules supported.
PoE – “far left” module in each block is supplied with the highest available voltage