Title: +038=360.000-OU045T_05-PCD2.m4160 PLS SBC - User Manual.pdf
S-Net / MPI / RS-4859651D-Sub pin 1 2 3 4567 8 9signalPGND GND RxD/TxD-P 1) B (red) RTS/CNTR-PSGND1)+5V 1)MPI24V RxD/TxD-N 1) A (green) not usedExplanationGND 0 V of 24 V supply Receive / transmit data positive Control signal for repeater  (direction control) Date communication potential  (earth to 5 V) Supply voltage to P line termination  resistors Output voltage plus 24 V Receive/send data negative1)  For Profibus mandatory signals (must be provided by the user). Specially the both signals SGND and +5V are provided by the PCD, if the Profibus configuration is correct.1)  For Profibus mandatory signals (must be provided by the user). Specially the both signals SGND and +5V are provided by the PCD, if the Profibus configuration is correct.4.3X3 – I/O Extension portSUBD 26p for I/O Bus extension plug PCD2.K010 or  extension cables PCD2.K106.Only the I/O extensions with integrated power supply are compatible  (PCD2.C1000, PCD2.C2000, PCD3.C200)