Siemens TC12 User's Guide download pdf (Page 94)

TC12 Installation, Commissioning & Maintenance Handbook

666/HE/43100/000 Page 84 Issue 10

Number of Current Sensors

Number of phases (include vehicle, green arrow and pedestrian

phases

+___

Number of pedestrian phases with wait indicators

+___

Number of switched sign drives

+___

Number of separately monitored regulatory sign drives

+___

Add one for each monitored load above 4A rms

+___

Subtract one for each wait indicator to be monitored by the same

current sensor as the pedestrian phase

+___

Subtract one for each pedestrian phase to be monitored by the same

current sensor as the opposing vehicle phase

+___

Total current sensors

=___

Number of Voltage Sensors

Number of phases (include vehicle, green arrow and pedestrian

phases

+___

Number of pedestrian phases with wait indicators

+___

Number of switched sign drives.

+___

Subtract one for each phase green state which coincides with a green

confirm reply available from the controller

Note: This is only applicable where Red Lamp Monitoring is not

required.

+___

Subtract one for each wait indicator state that coincides with a wait

confirm reply available from the controller

+___

Add one for each vehicle phase with Red Lamp Monitoring

+___

For export lamp monitoring only:

Add one where the controller can enter flashing red/amber mode

Note: Not needed if a signal indicating flash mode active is available

from the controller.

+___

Add one for each flashing amber signal group

+___

Total voltage sensors

=___

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 202 203

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Siemens TC12 User's Guide Page 94

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