Technical specificationsABB Control - AC 31 Page 3-331SBC 260400 R1001-b 06.997.2.2. 07 SK 53 connection diagram (see Figure 3-16):- Cabling diagram of the RTS signal:If RTS active at low level:RTS+ 5RTS- 8CTS white0V blue (for ex. GND)Central unit endMIN DIN 8Bare wiresendIf RTS active at high levelRTS+ 5RTS- 8+10V white (for ex. DTR)CTS blueCentral unit endMIN DIN 8Bare wiresend- Using the cable for RS 232RxD 1TxD 2GND 7RTS+ 5RTS- 836ShieldTxD yellowRxD redGND blackwhite cabling depending on RTSbleu active on high or low levelShieldCentral unit endMIN DIN 8Bare wiresend- Using the cable for RS 485D1- 2D1+ 7RTS+ 5RTS- 836ShieldYellow not usedD1- redD1+ blackwhite cabling depending on RTSblue active at high or low levelShieldCentral unit endMIN DIN 8Bare wiresendComment: The ASCII/MODBUS® is distinguished from the programming cables by its BLACKcolor.
