Title: +038=360.000-OU045T_03-PCD2.m4160 PLS SBC - Hardware Manual.pdf
Annex Icons ............................................................................................................... A-1 Definitions of serial interfaces ......................................................................... A-2 A.2.1 RS232 ............................................................................................................. A-2 A.2.2 RS485/422 ...................................................................................................... A-3 A.2.3 TTY/current loop ............................................................................................. A-4 Installation instructions and relay contacts ..................................................... A-5 A.3.1 Installation instructions for carrying extra-low voltage .................................... A-5 A.3.2 Installation instructions for carrying low voltage .............................................. A-5 A.3.3 Carrying inductive loads