8000 Zone2.pdf

Module carriersController carrierARAILBUS POWER SUPPLY CONNECTIONSExternal power8750-CA-NScontinuedBPOWER FAIL INPUTS–+2/2 NC 2/11 2 3 4 5 67 891 2 3 4 5 6PFMTerminalExternal power1 No connection2 0 V3 +12 VACHANGESTATEASERIALPORT1BCHANGESTATEBSERIALPORT14 +12 V5 0 V6 No connectionPower supply pins are provided in pairs. This enables one pin tobe used for the supply input and the second to loop to anotherconnector, when required.Note: The controllers/EBIMs do not draw main power from thissupply. See previous page.Ground terminals (A & B)A & B provide the same ground connection. B is recommended forterminating any shielding on the power “health” cable(s).SERIAL PORT CONNECTORS (X2)Pin # Function1 0V2 NC3 Tx/Rx (+)954 Tx/Rx (+)5 Tx/Rx (–)616 Tx/Rx (–)7 NC8 NC9 0VPSU POWER “HEALTH” CONNECTOR–+123456789This power “health” facility is operational only when a PowerSupply Monitor module (8410-NS-PS) is fitted on the carrier.Terminal pairs 1 – 6These terminal pairs (+ and –) are provided for external 2/2 powersupplies, e.g. 8913-PS-AC or 8914-PS-AC. For each pair:+ Power health signal from PSU– negative (–ve) connection from PSUNote: On the 8913-PS-AC, it is the 12V output that provides the powerhealth signal, therefore connect the –ve terminal from the 12V outputto the –ve terminal on the power health connector.Each unused terminal pair must be fitted with a shorting link toprevent an alarm condition being signalled to the controller.Terminal pairs 7 & 8These terminal pairs are disconnected and should not be used.Terminal pair 9If a Railbus Isolator (8922-RB-IS) is not used in the node, this terminalpair must be fitted with a shorting link to prevent an alarm conditionbeing signalled to the controller/EBIM.EUROPE (EMEA) Tel: +44 (0)1582 723633 Fax: +44 (0)1582 422283AMERICAS Tel: +1 603 926 0090 Fax: +1 603 926 1899ASIA PACIFIC Tel: +65 487 7887 Fax: +65 487 7997E-mail: enquiry@mtl-inst.com Web site: www.mtl-inst.comJune 2004