1. Meud beag, furasta obrachadh
2. Bi freagarrach airson a h-uile mothachaidhean strì an aghaidh
3. Faodar a cheangal ri 1 ~ 8 sensaran
4. Faodar WD200-4 a cheangal ri ceithir mothachairean aig a’ char as motha
5. Faodar WD200-8 a cheangal ri ochd mothachairean aig a’ char as motha
6. Port conaltraidh RS485 no RS232