Euro Manufacturing and Marketing Ltd
UK Manufacturers of
Battery Management Systems,
DC-
This Speed Switch offers a direct equivalent to the LS – 20 – B (3178)
This Unit was designed to switch selected equipment (such as Beacons / Side Cameras) On at a specific Road Speed.
The switching on speed is set by selecting a combination of up to 6 switches, giving 64 options between the limits of 2.5km/h (1.6mph) and 102.5km/h (64mph).
The switching on speed can be Factory set or adjusted during installation.
The output on this unit is normally off and switches on at the set speed, it is capable of switching 10A.
The tri state Override input can control the output as follows:
Open = normal operation
Switch to positive = output on
Switch to ground = output off
Output Current |
10A |
|
Switch On Delay (Speed Increasing) |
1 second |
|
Switch Off Delay (Speed Decreasing) |
< 12ms |
|
Switch point Setting (See Table) |
6 Way Switch (64 Combinations) |
|
Pulse Input |
V low < 1.5V |
|
V high > 5.5V |
||
Pulse Duration > 1.5ms |
||
Override Input Resistance |
> 5k to ground |
|
Override Input |
Open |
Operation normal |
< 1V |
Output Off |
|
> 4.5V |
Output On |
|
Case Style |
Din Pack, Vertical bracket |
|
Dimensions |
94 x 61 x 45 mm |
|
Weight |
85g |
|
Fixing |
1 x 6.3mm Hole |
|
Case Material |
Black ABS |
|
Bracket Material |
Aluminium Alloy |
Note: All road speeds assume 4 pulses per metre
Note: Pin 1 and Pin 6 should be wired directly to the appropriate Pins on the Tachograph as indicated.
For example on the DTCO 1381 Tachograph:
· Pin 1 of Speed Switch to Tachograph Plug B Pin B8
· Pin 6 of Speed Switch to Tachograph Plug A Pin A6
Setting Information
E1048 12V / 24V Digital Speed Switch
Cross Reference LS – 20 – B (3178)
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