Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-33
I/O modules PCD1|PCD2
Digital output modules, electrically isolated
5
5.5 Digital output modules, electrically isolated
PCD2.A200 4 make contacts 2 A, 250 VAC | 50 VDC
PCD2.A210 4 break contacts 2 A, 250 VAC | 50 VDC
PCD2.A220 6 make contacts 2 A, 250 VAC | 50 VDC
PCD2.A250 8 make contacts 2 A, 48 VAC | 50 VDC
pluggable 14-pole screw terminal block
PCD2.A410 8 digital outputs 0.5 A each, 5…32 VDC,
electrically isolated against PCD2 bus
Installation instructions
For reasons of safety it is not permissible to connect low voltages (up to 50 V) and
highervoltages(50 … 250V)tothesamemodule.
If a Saia PCD
®
moduleisconnectedtoahighervoltage(50 … 250V),approved
components for this voltage must be used for all elements that are electrically con-
nected to the system.
Usinghighervoltage(50 … 250V),allconnectionstotherelaycontactsmustbe
connected on the same circuit, i.e. in such a way that they are all protected against
one AC phase by one common fuse. Each load circuit may also be protected
individually.
I/O modules and I/O terminal blocks may only be plugged in and removed when
the Saia PCD
®
and the external +24 V are disconnected from the power supply.
In the appendix, Chapter A.4 relay contacts, are calculation data and wiring sug-
gestions for the relay contacts. These data should be absolutely considered for
safe switching and a long life span of the relays.
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