ABB HESG324442R112/F processor unit Trunk card module

ABB HESG324442R112/F processor unit Trunk card module

Electrical parameters: The operating voltage is generally 24VDC, the input current range is 4mA-20mA, and the output has 16 relay outputs.
Storage capacity: 1MB flash memory and 256KB random access memory (RAM).
Communication interface: with Modbus RTU communication interface, support RS-485 connection.
Operating temperature: The operating temperature range is generally -25 °C to + 60°C.

Signal channel
I/P signal (channel) from the B448C bus: contains digital measurement variables, i.e. primary system current and voltage; The logic signal is an external I/P signal 24V auxiliary power supply, which can exchange data with the B448C bus.
O/P signal (channel) to the B448C bus: There is a signal output from the selected protection and logic function, tripping output from the selected protection and logic function, which can be exchanged with the B448C bus.