Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
CPUs and expansion housings
3-22
Expansion housings and bus cables
3
3.6.2 Expansion with PCD3 components
Forlocalexpansion,thePCD3LIO(LocalI/O)modulescanbeused:
PCD3.C200 4plug-inI/Omodules,integrated24VDC / 5 VDC supply for
modules and signal refresh.
PCD3.C100 4plug-inI/Omodules
PCD3.C110 2plug-inI/Omodules
0 16 32 48
648096112
128 144 160 176 192 208 224 240 ...1023
Bus extension cable
PCD2.M1xx and M4xx
PCD3.C100/200
Fordecentralizedexpansion,thePCD3RIO(RemoteI/O)modulescanbeused:
PCD3.T760 IntegratedProbusDPSlave/ProS-NetSlaveconnectionupto
max. 1.5 MBit/s
4plug-inI/Ocassettes
Integratedwebserverfordiagnostics,supportandcomissioning
(Connection to PC via optional PCD3.K225 connector cable)
ThemaximumnumberofI/Osisdependentonthecontrollerbeingused:
Saia PCD
®
type Maximum number
PCD3I/Os
Maximum number
I/Ospersystem
PCD2.M120/150 127 255
PCD2.M170 382 510
PCD2.M480 897 1023
PCD3.RIOnodes 256 per node Determined by the maximum
sizeoftheI/Oprocessmap
for DP Master
WhenselectingI/Ocassettes,ensurethattheinternal5Vand+Vsupplyisnot
overloaded.
Detailed information on planning combined PCD2/PCD3 systems can be found in the
PCD3 manual 26/789.