Siemens EH.75M.11. Especificaciones descargar pdf (Pagina 306)

100

101

T400 Controller Facilities Manual

667/EB/20200/000 Page A-10 Issue 9

Table APPENDIX A) -15) Maximum Distances for feeder cable when using ‘D’

Detectors

Load Calculation

Maximum O/P current = 500 milliamps

Current per Regulator board = 16 milliamps (1 regulator per beehive)

Current per detector board = 48 milliamps

Minimum input voltage to regulator = 32v

Minimum power supply output voltage = 35.4v

Maximum number of cards driven

Assuming two beehives the maximum number of cards that can be driven from

the Power Supply is nine.

Maximum feeder length (9 Cards)

Using the same figures for cable resistance as previously (0.0362 Ohms/metre

loop) and assuming the maximum number of cards then:

Maximum feeder length is approximately 200 metres.

Using the above figures the length can be calculated for any number of

detectors if required.

SDE/SA Detection

Using Triple SDE on two lanes (8 cards)

The Controller must be within 70 metres of the stop line.

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