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Saia-Burgess Controls AG

Hardware manual for PCD3 series │ Document 26-789 ENG19│ 2018-06-29

Planning an application

Guidance

2-6

TheeasiestwaytocompilethisiswiththeDeviceConguratorofthePG5SaiaProject

Manager (SPM).



Calculate the load current at the internal + 5 V supply with the table in the

27-600 I / O Modules for PCD1 / PCD2 manual under chapter Power con-

sumption of the modules.

Comment: Use the worst or highest values.



Verifyifthemax.supplycurrentoftheCPU,RIOorPCD3.C200issu󰀩-

cient. To supply one module segment separately, use PCD3.C200 instead

of PCD3.C1xx. Verify whether the load current of all segments does not

exceed the max. supply current of the CPU / RIO / PCD3.C200. The max.

supply currents can be found in chapter 3.9.2 Internal power supply



Calculate current consumption at 24 V supply. The current consumption of

thePCD3congurationcanbedeterminedinchapter 3.6.2 power con-

sumption of the modules (use the worst or highest values)



Determine the corresponding connection cables for the module carriers



Calculate the number of required connector blocks for the I/O modules and

order them separately. Screw terminals or spring terminals can be ordered

as required. Not all modules require the same type of connectors.

Please note that in most applications, the load currents of the outputs are the heavi-

est burden on the 24 V supply. With 16 outputs with a load current of 0.5 A each, this is

already 8 A, if all outputs are switched on.

SBC PCD3 Series User Manual

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