Wavetronix SMARTSENSOR 105 Guide de l'utilisateur télécharger pdf (Page 40)

CHAPTER 3  CONTACT CLOSURE COMMUNICATION 39

menu option.

4 Press and hold the mode switch to cycle through the submenu. e Level 2 LEDs will

light to indicate that the device is cycling though all conguration options.

5 Release the mode switch once the desired conguration option is reached.

6 Quickly press and release the mode switch to select the current conguration option.

e device will exit Menu mode, and either the selected function will run or the se-

lected conguration will be set and saved to the device.

Channel Mapping

Once the Click 104/112/114 devices are installed, make sure that each detector rack chan-

nel is properly mapped to the correct trac phase in the trac controller. e general

NEMA standard for 8-phase numbering is presented in Figure 3.8. Many intersections

will not have eight phases, and in some cases they may not even follow the NEMA conven-

tion. Check the plans in the trac signal cabinet to verify how the phases are numbered at

each intersection.

Figure 3.11 – Standard NEMA 8-phase Number Scheme

Phases 1, 2, 5 and 6 are often used for the “main” street, and phases 3, 4, 7 and 8 are often

used for the “side” street as shown in Figure 3.8.

Note

Chapter 10 contains a section about Rack Card Tools which explains how the

channel-to-phase mapping can be veriﬁed with or without the sensors installed.

Since each Matrix sensor often detects both the left-turn phase and the through-move-

ment phase for a single approach, the associated rack card will have often have channels

that correspond to one of the following phase (ф) pairs: ф2 and ф5; ф6 and ф1; ф4 and ф7;

ф8 and ф3.

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 106 107

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Wavetronix SMARTSENSOR 105 Guide de l'utilisateur Page 40