Title: 40 Bender brukermanual.pdf.pdf
Connection to measuring current transformers CT1…CT12. Either type A (W…, WR…, WS…, WF… series) or type B (W…AB series) measuring current transformers can be selec- ted for each measuring channel. When using up to six type B measuring current transformers, an AN420-2 or AN110 power supply unit is required (for connections see page 29). The channels k9…k12 of the device versions RCMS460-D4/- L4 require the connection of type A measuring current transformers.A, BBMS bus (RS-485 interface with BMS protocol)R, T/RExternal reset button (N/O contact). The external reset but- tons of several devices must not be connected to one ano- ther.T, T/RExternal test button (N/O contact). The external test buttons of several devices must not be connected to one another.C11, C12, C14Common alarm relay K1: Alarm 1, common message for alarm, prewarning, device error.C21, C22, C24Common alarm relay K2: ALARM 2, common message for alarm, prewarning, device error.Ron/off