Siemens EH.75M.11. Especificaciones descargar pdf (Pagina 305)

100

101

T400 Controller Facilities Manual

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

Table APPENDIX A) -14) Cable Distances for SDE using Sarasota Detectors (2

CHANNEL)

Cable length from stop line to controller = ‘n’ metres

Cable 1mm

= 0.0362 Ohm/metre loop

Supply Voltage for Detectors = 21V - 40V

Detector PSU Output Voltage = 27.5V+4.5% (Max 28.74V, Min

26.26V)

Max permissible volt drop (27.5V PSU) = 5.26V

Logic PSU = 24v+6% (Max 25.44V, Min 22.56V)

Max permissible volt drop (24V supply) = 1.56V

Cable Length ‘n’

power supply: 27.5v P.S.U. 24v P.S.U.

current per 2 channel card: 230mA 160mA 230mA 160mA

3-lane 1 conductor out & return unusable 24 unusable unusable

3-lane 2 conductors out & return 85 177 unusable unusable

2-lane 1 conductor out & return 32 41 unusable unusable

2-lane 2 conductors out & return 147 329 unusable 9

1-lane 1 conductor out & return 190 329 unusable 9

1-lane 2 conductors out & return 506 780 62 144

1 2 ... 300 301 302 303 304 305 306 307 308

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