SBC PCD2.M5 Series - Page 98

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG Communication interfaces
5
5-14
Serial interfaces - Slots A1 and A2
Notallmanufacturersusethesameconnectionconguration,sothedatalinesmay
need to be crossed
ThepotentialdifferencebetweenPGNDandthedatalinesRx-Tx,/Rx-/Tx(and
SGND)islimitedto50Vbyasuppressorcapacitor.
Forinstallationdetails,seemanual26/740“InstallationcomponentsforRS-485
networks”