ABB SPAC 536 C User Manual

Contents

ABB SPAC 536 C User Manual Manual pdf 23 page image

23All external conductors are connected to theterminal blocks on the rear panel. Terminalblock X0 consists of fixed screw terminals fas-tened to the energizing input module. Theconnectors X1…X6 are detachable multi-poleconnector strips with screw terminals.The male part of the multi-pole connector stripsare fastened to the mother PC board. The fe-male parts with accessories are delivered to-gether with the feeder terminal. The femaleconnector part can be secured in place by meansof fixing accessories and screws.The measuring signal inputs are connected toterminal block X0. Each terminal is dimen-sioned for one max. 6 mm 2 or two max. 2.5mm 2 wires.Protective earth is connected to the screw, markedwith the earth symbol.The binary inputs and contact outputs of theovercurrent and earth-fault relay modules areconnected to the multi-pole connectors X1 andX2. The auxiliary power supply is connected tothe multi-pole connector X1. The binary in-puts, mA inputs and contact outputs of thecontrol module are connected to the multi-poleconnectors X3…X6. One max. 1.5 mm 2 wire ortwo max. 0.75 mm2 wires can be connected toone screw terminal.The serial interface RS 485 on the rear panel ofthe feeder terminal is intended for connection tothe SPA bus (Rx/Tx). The SPA bus is connectedby means of a connection module type SPA-ZC17_ or SPA-ZC 21_. The bus connectionmodule SPA ZC 21_ is fitted to the 9-pole D-type subminiature connector and screwed to therear panel. The connection module type SPA-ZC 17_ is connected to the feeder terminal withthe cable included in the delivery of the moduleand fastened to the wall of the switchgear cubi-cle with screws.Terminalsand wiringSPAC 536 C121110987654321X1121110987654321X210987654321X6121110987654321X5151413181716121110987654321X4151413181716121110987654321X3151413181716RxTxRS 485272625987654321302928212019181716151413X0SPAC 636 C272625987654321302928212019181716151413121110987654321X1121110987654321X210987654321X6121110987654321X5151413181716121110987654321X4151413181716121110987654321X3151413181716Rx TxFig. 10. Rear view of feeder terminal SPAC 536 C and SPAC 636 C.