American Audio VELOCITY - REV 4-05 Betriebsanleitung PDF herunterladen (Seite 186)

METRO RAIL DESIGN CRITERIA SECTION 9 / SYSTEMS

Appendix B

DE304.09 Appendix 9B-3 Revision 1 : 05/09/12

Metro Baseline Re-Baseline: 04/20/10

 RTU ID – The RTU ID shall identify the RTU that contains the point.

 IO Location – The IO Location shall identify the physical location of the field wiring

interface terminal cabinet.

 IO Type – The IO Type shall specify if the point is an indication or control.

 Point States – Point States shall provide information for encoding/decoding PLC register

and bit values.

o Define the meaning of each zero (0) and one (1) etc. for discrete values.

o Conversion to engineering units for analog values

 RTU module assignment – RTU Module and point assignment.

 RTU module address – Register/bit assignment of the physical I/O

 Gateway address – Internal register/bit assignments for I/O interfaced through

communications gateways.

 SCADA address – Register/bit assignment within the RTU for the SCADA interface. All

I/O shall be buffered to internal RTU memory.

 RTU terminal – Terminal block and Terminal numbers for field cable termination within

the RTU or remote I/O.

 SCADA MDF terminal – Terminal block and terminal numbers for field cable terminations

within the main distribution frame or board.

 Field MDF terminal – Terminal block and terminal numbers for the device cable

termination within the main distribution frame or board.

1.6.1.1 SCADA Internal, Assembly and Remote I/O Diagnostics

 PLC health register counter (watchdog)

 CPU online indication (for redundant CPU systems)

 CPU available indication (for redundant CPU systems)

 Loss of module voltage alarm

 Loss of field control voltage alarm

 Summary fuse alarm

 Redundancy component failure alarm (one for each redundancy component)

 RIO link fail (for each RIO link)

 Data link fail (for each local data link)

 SCADA communications health register (watchdog)

 Sensing voltage fail alarm

1.6.1.2 Train Control and Operations

 Track occupancy indication for each track circuit and overlay

 Traffic direction indication and request indication for each block at each end of

interlocking and at each block section. Each direction shall be indicated as a separate

point.

 Platform service mode control and indication for each terminal platform or turnback

track.

 Switch normal and reverse position indication and control

 Switch lock indication

 Directional route locker indication for each interlocking route

 Individual signal clear indication and control for each signal

 Signal exit inhibit indication

 Signal exit inhibit request and cancel control

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