Siemens EH.75M.11. Especificaciones descargar pdf (Pagina 301)

T400 Controller Facilities Manual

667/EB/20200/000 Page A-5 Issue 9

Appendix APPENDIX A) .3) Using 27.5v Additional Detector PSU

Where there is insufficient spare capacity on the 24v power supply the 27.5v supply

must be called up. (Table APPENDIX A) -6 to Table APPENDIX A) -8)

The distance rules are different for this supply as the allowable voltage drop is greater

due to the higher supply voltage;- see Table APPENDIX A) -9 to Table APPENDIX

A) -12.

Table APPENDIX A) -6) 4-Channel Detector Cards

Maximum No. of 4-Channel Cards

Siemens or

Microsense Sarasota

(220mA) (370mA) (160mA)

Small PSU 667/7/20204/001 (2A) 7 4 9

Large PSU 667/7/20204/000 (4A) 13 8 18

Table APPENDIX A) -7) 2-Channel Detector Cards

Maximum No. of 2-Channel Cards

Siemens or

Microsense Sarasota

(220mA) (370mA) (160mA)

Small PSU 667/7/20204/001 (2A) 7 6 9

Large PSU 667/7/20204/000 (4A) 15 13 18

Note:

2 Channel Detector cards are usually used for SDE/SA

see Manufacturers information.

Table APPENDIX A) -8) 24v +/-20% 8VA (333mA) Above Ground Detectors

Max. No. of Detectors

Small PSU 667/7/20204/001 (2A) 6

Large PSU 667/7/20204/000 (4A) 12

1 2 ... 296 297 298 299 300 301 302 303 304 305 306 307 308

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Siemens EH.75M.11. Especificaciones Pagina 301