Siemens EH.75M.11. Especificaciones descargar pdf (Pagina 199)

T400 Controller Facilities Manual

667/EB/20200/000 Page 19-6 Issue 9

a) Red Lamp Monitoring on Part-Time Signals

The LMU outputs have the following effects on the controller when they become

active.

Indication 1: The cabinet alarm lamp flashes which overrides a requirement

for it to be continuously illuminated. The all red period of

intergreens will be extended up to 3 seconds. This extension will

not be apparent if the all-red period during the normal

intergreen is equal to or greater than 3 Secs.

Indication 3: The all red period for the intergreens will be extended up to 8

seconds for any Vehicle to Ped. transition.

Indication 2: Within 500ms of this signal becoming active the signals

extinguish and will not switch on until Indication 2 becomes

inactive.

b) Lamp Monitoring with Audible / Tactile Indicators

Note that the Pedestrian stage must be exclusive of any Traffic Phases if Audibles

are used.

When these indications are active they have the following effects on the controller.

Indication 1: The cabinet alarm lamp flashes which overrides a requirement

for it to be continuously illuminated. The all red period of

intergreens will be extended up to 3 seconds. This extension will

not be apparent if the all-red period during the normal

intergreen is equal to or greater than 3 Secs.

Indication 3: The all red period of intergreens is further extended by a period

of 8 seconds for any Vehicle to Ped. transition.

Indication 2: When Indication 2 becomes active the controller may be in

one of several states i.e.:

Case 1 - Controller running a stage other than that which

contains the Ped. with Audible / Tactiles:-

The Pedestrian phase will not appear.

Case 2 - Controller running stage in which the Ped. with

Audibles / Tactiles is run:-

The Controller will force VA mode, lift any extensions to ensure

that the Stage is run for only a minimum time. On leaving and

re-entering the stage the Pedestrian phase will not appear.

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Siemens EH.75M.11. Especificaciones Pagina 199