Siemens TRAFFIC CONTROLS TC12 Manual De Usuario
TC12 Installation, Commissioning & Maintenance Handbook
Leaving phase delays.
Use of phases that are not fixed in the stage.
Use of phases that are not fixed in the stage.
) Using voltage sense transformers to produce a suitable logic signal direct from
the lamp drive voltage.
to monitor a dimmed 50-0-50 V RMS supply
voltage
If Voltage sense transformers (part number 667/1/22734/000) are used then these
connect to inputs as follows. There are four wires from the voltage sensors. Two
connect to inputs as follows. There are four wires from the voltage sensors. Two
ge being monitored (Blue wire to
neutral, Brown wire to live). The white and black wires connect to the required
te coloured wire on the Input/Output cable
(corresponding to the required input number).
sensors should then be fastened (e.g. Tywrap) to a suitable point in
u
wire bundle.
Ferrite clam
from the 50
way connecto
ould be
cable tied to a suitable point on the OTU mechanics to prevent it moving.
3.2.6
L
a
b
Note: If voltage sensors are used
(on the 50-0-50 V RMS side of the transformer), they will only work down
to the first dim voltage tapping (i.e. dimming to 66% of the nominal
undimmed voltage). The voltage sensors will not work with lower
tappings.
to the first dim voltage tapping (i.e. dimming to 66% of the nominal
undimmed voltage). The voltage sensors will not work with lower
tappings.
wires connect to the mains lamp drive volta
input on 40-way connector PL2. Connector PL2 has Input/Output cable
(667/1/22693/000) connected to PL2 (
suitable terminal block connect the white (ground) wire of the voltage sensor to the
white (ground) wire on the Input/Output cable and connect the yellow wire on the
voltage sensor to the appropria
(667/1/22693/000) connected to PL2 (
suitable terminal block connect the white (ground) wire of the voltage sensor to the
white (ground) wire on the Input/Output cable and connect the yellow wire on the
voltage sensor to the appropria
The voltage
the cabinet, s ch as the cabinet cross-member or other free unobtrusive rail or
Ferrite Clamp
A
p (part number 905/4/10616/000) is fitted over all wires
r, PL1, as close
ferrite clamp sh
to PL1 as possible. The
Lamp Monitor Unit - Number of Current and Voltage Sensors
MU Configur tion
ailed configuration of an installation takes place, it is often
alculate the number of cu
Before the det
ecessary to c
rrent and voltage sensors required. Tables
in
will give
will give
n
to assist with this are given on the next page. To use these, fill in the appropriate
to assist with this are given on the next page. To use these, fill in the appropriate
formation in the spaces provided and a final addition/subtraction of the values
the number of sensors required.
666/HE/43100/000
Page 83
Issue 9