3/21/2023 0 Comments Multi counter![]() ![]() Parameters to be checked for adjustment of rail contact The procedure for adjustment of TX head is same as that for AzLS (Please refer Section I Para 1.5).įunctions of Selector switch in ETU 001 are same as given for AzLS (Please refer Section I Para 1.7). (Please refer Section I Para 1.6).Īdjustment of Rail contact Tx head with Dummy wheel and Tool Kit The Test equipment ETU001 is same as that for AzLS. In that case, the PDCU should be used for isolation of communication line and only connector no. Where local power supply is used to feed the EAK, the superimposed power and data is not used. PDCUs are to be installed on 35mm DIN rail. The power to the EAK goes through this fuse and if it is blown then there will be no power at detection point and a red LED within the PDCU will glow. One PDCU is used for one detection point only. It has a superimposing circuit for using same conductor for power and data. PDCU is the interface between outdoor equipment (Detection Point) and indoor equipment (ACE). The slots S01 to S10 are used for I/O cards, either Serial or Parallel depending upon the site specific software. Polarity of the supply should be checked before connection. U1 & U2 are the connectors for 24VDC Supply to ACE. Parallel Card: is responsible for providing section information. One Serial Card can monitor maximum two detection points. Serial Card : receives information from detection points through ISDN communication link and provides this information to CPU Cards. Two Power Supply Cards are required for 2 out of 2 system. Power Supply Card: It works on 24VDC and generates 5VDC and 12VDC required for the electronic circuitry. Diagnostic interfaces and alphanumeric display are available on CPU Card. It has the following sub components.ĬPU Card: Two CPU Cards are required for 2 out of 2 system. If separate power supply is used for installation, the communication line has to be between terminals 3 & 13 and the 60V power supply has to be connected to terminals 1 & 11.Īxle Counter Central Evaluator is the decision making unit for multi section digital axle counter. Provide a shorting link between terminal 2 & 1 and 12 & 11 if the same pair of conductors is used for superimposed data and power supply to the EAK. ![]() The connections for Power Supply/Communication to the EAK are as under: ![]()
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