Siemens EH.75M.11. Dokumentacja Pobierz pdf (Strona 180)

T400 Controller Facilities Manual

667/EB/20200/000 Page 18-3 Issue 9

18.5 DUAL LEVEL AUDIBLES

Items Required:

Kit Of Parts to add secondary buzzer................................667/1/15292/000

The audible indication can be Dual Level, this is achieved in the same way as for the

Pelican. See Section 17.12 and Figure 18.8.

The audibles will only change state during the vehicle green period.

Output Bits controlling the change over relay, the On/Off relay and terminal block

connections are specified in the Works Specification.

The change over relay is situated on the I/O Expansion board. If an additional On/Off

Relay is also required this is available on the micro-processor board.

NOTE: If the additional On/Off Relay is also connected in series with the Dual Level

Audible change over contact then only two audibles units may be connected to the

drive.

18.6 DETECTOR RACKS AND DETECTORS

A number of detectors and their associated racks can be fitted into the T400 racking

system.

The units available are as follows:

Racks

667/7/17017/001 19 inch detector rack

667/7/17017/000 11 inch detector rack

667/1/15990/002 Dual detector backplane kit

667/1/15990/003 Single detector backplane kit

667/1/15900/004 U/D, Count and Queue backplane kit

667/1/20359/002 Siemens (ST) self tune detectors or Microsense ST detectors

short rack with backplane for two detector cards.

667/1/15180/*** Sarasota AT45Z detector rack equipped with Detector card and

detectors. Variant number relates to number of detectors

required.

654/4/01028/*** Sarasota AT25Z detector rack with detector cards (various

numbers of backplanes). Variant number relates to number of

detectors that rack is equipped for.

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 307 308

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