Document No. Z914 – C36000245 Ver. 1
Hand Book for Electronic Interlocking model K5BMC - Installation, Maintenance & Trouble Shooting -
25. Apr. 2014 Table of Contents 3/3
7.5.4 KDD172-KY48-2 Card .......................................................................................................................... 82
7.6 Setup of Unit.................................................................................................................................................. 83
8. Cabling ................................................................................................................................................................ 94
8.1 Colour coding of wires/cables ....................................................................................................................... 94
8.2 Labeling......................................................................................................................................................... 94
8.3 Termination.................................................................................................................................................... 94
8.4 Spare core termination................................................................................................................................... 94
8.5 Insulation ....................................................................................................................................................... 94
8.6 Surge protection practices ............................................................................................................................. 94
8.7 Power protection............................................................................................................................................ 94
8.8 AC power protection...................................................................................................................................... 95
8.8.1 Secondary / Tertiary AC line protection ................................................................................................. 95
8.9 Data line equipment protection...................................................................................................................... 95
8.10 Interface protection...................................................................................................................................... 95
8.10.1 Non– vital I/O interface protection....................................................................................................... 95
8.10.2 Vital I/O interface protection requirements .......................................................................................... 95
9. Relay rack............................................................................................................................................................ 96
9.1 Wiring practices............................................................................................................................................. 96
10. Typical System Configuration........................................................................................................................... 98
11. Typical Vital Input Circuit ................................................................................................................................. 99
12. Typical Vital Output Circuit ............................................................................................................................ 100
13. Typical Non-Vital Input Circuit....................................................................................................................... 101
14. Typical Non-Vital Output Circuit .................................................................................................................... 102
15. Typical Inter Optical Fiber Cable .................................................................................................................... 103
16. Reasons of no earthing for EI.......................................................................................................................... 105
16.1 Introduction ............................................................................................................................................... 105
16.2 Prevention of inflow of lightening surge and exogenous noise................................................................. 105
16.3 Reason for no earthing............................................................................................................................... 105
17. Pre-commissioning Check List for K5BMC Electronic Interlocking System................................................. 109