Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
For the controller to be able to switch between dim and bright correctly, it
is important that LSLS1 is connected to the PL4 of the HPU.
Figure 39 – Solar Cell Connections
4.18 Above Ground Detectors
Above-ground detectors provide detection for pedestrians and vehicles. The power
for the detector is taken from the 12-way Loop Detector terminal block or, if more
current is required than this supply can support (2.8A) a separate -24V DC supply
(2A or 6A) can be fitted.
The detector outputs connect directly to the I/O card inputs.
See the documentation relevant to the particular detector devices being used.
Figure 40 – Above-Ground Detector Connections
4.19 Regulatory Signs Expansion Kit
The regulatory sign expansion kit is required whenever the number of ELV
regulatory signs exceeds the basic capacity of the ST950ELV (8 signs). It consists
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