Siemens EH.75M.11. Especificaciones descargar pdf (Pagina 30)

T400 Controller Facilities Manual

667/EB/20200/000 Page 3-1 Issue 9

3. PHASES

3.1 FACILITIES

There are up to 16 phases (A to P) available for use as any of the following types of

phase:

• Traffic

• Pedestrian

• Green arrow, filter or indicative

• LRT vehicle

• Dummy

• Switched sign.

Note: Pelican, pedestrian and vehicle phases and the pelican audio indication are

described in section 17.

Traffic, pedestrian and green arrow phases are considered as real phases and require

phase hardware as well as phase software.

Dummy phases require only phase software. As no phase hardware is required the

dummy phases are allocated after the real phases.

Switched sign phases do not require phase software. They require the software

necessary for switching them on and off and phase hardware.

It is possible to use phase software for a dummy phase and phase hardware for a

switched sign phase.

(N.B. For more details on specific lamp sequences for particular countries of the

world, refer to Section 14.)

3.2 TYPES OF PHASES

3.2.1

Traffic Phase

A traffic phase controls vehicle movements via a 3-aspect signal comprising red, amber

and green. The green aspect may be a left turn or a right turn or straight ahead green

arrow as required by the method of control.

The standard signal sequence is as follows:

RED - at no ROW

RED/AMBER - changing to ROW

GREEN - at ROW

AMBER - changing to no ROW

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 307 308

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Siemens EH.75M.11. Especificaciones Pagina 30