ABB TK821F 3BDM000150R1 Serial Cable (2 channel), integral connectors, 0.5 m. Identical with DFA 021. Connection FI 820F to Terminal Block TB 870F (2 channel).
ABB AC 800F controller has a modular structure. The CPU is designed as a backplane to which various modules ?C power supply units, Ethernet and fieldbus modules ?C can be attached in line with the application. On the fieldbus side, modules for PROFIBUS-DPV1, FOUNDATION Fieldbus HSE, Modbus, Telecontrol IEC 60870-5-101, Telecontrol IEC 60870-5-104 and CAN for Freelance Rack I/O are available.