5 External connections5.4 Serial interfaces to other devicesCompact PLC XC-152 05/17 MN050001ZU EN www.eaton.com 535.4.3 CANCAN interface for the CANopen® and easyNet (master/slave) protocols andothers; for a maximum of 127 modules. The max. baud rate is 1000 kbit/s.Characteristics: SUB-D plug 9-pole, CAN pin assignment as per CiA,not galvanically isolated, UNC nuts to keep the connector in place5.4.3.1 Wiring• Screened twisted-pair cables must be used.• The maximum baud rate will depend on the cable length.SUB-D plug9-polePIN signal Configuration1 n.c. not used2 CAN-L Bus line (dominant low)3 CAN-GND Ground4 n.c. not used5 n.c. not used6 GND Optional Ground7 CAN-H Bus line (dominant high)8 n.c. not used9 n.c. not used→ • PINs 3 (CAN-GND) and 6 (GND) are connected to eachother internally inside the XC-152.• n.c.: PINs 1, 4, 5, 8, and 9 must not be connected.• The power supply of the CAN bus drivers is implementedinternally.• A power supply for third party devices is not provided onthe CAN connector.543219876Rated surge impedance 120 Permissible surge impedance 108 … 132 Capacitance per unit length < 60 pF/mCore cross-sectionWith a max. cable length of 100 m 0.25 mm2250 m 0.34 mm2500 m 0.75 mm2