Wavetronix SMARTSENSOR 105 Manual de usuario descargar pdf (Pagina 11)

SmartSensor 105

The cable length shall not exceed the following limits for

the operational baud rate of RS-485 communications:

Baud Rate Cable Length

115.2 Kbps 300 ft. (91.4 m)

57.6 Kbps 600 ft. (182.9 m)

38.4 Kbps 800 ft. (243.8 m)

19.2 Kbps 1000 ft. (304.8 m)

9.6 Kbps 2000 ft. (609.6 m)

NOTE: These represent maximum data rates. The data rate used should be

the minimum data rate required for operation.

If communication is conducted over the RS-232 bus, then

the RS-232 driver must be able to source and sink ±7 mA

or more.

The cable length shall not exceed the following limits for

the operational baud rate of RS-232 communications:

Baud Rate Cable Length

115.2 Kbps 40 ft. (12.2 m)

57.6 Kbps 60 ft. (18.3 m)

38.4 Kbps 100 ft. (30.5 m)

19.2 Kbps 140 ft. (42.7 m)

9.6 Kbps 200 ft. (61 m)

NOTE: These represent maximum data rates. The data rate used should be

the minimum data rate required for operation.

If 12 VDC is being supplied for the RVSD then the cable

length shall not exceed 110 ft. (33.5 m).

If 24 VDC is being supplied for the RVSD then the cable

length shall not exceed 600 ft. (182.9 m).

If a cable length of 600 ft. (182.9 m) to 2000 ft. (609.6 m) is

required, the power cable shall be an ANIXTER 2A-1402

or equivalent cable that meets the following requirements:

● 10 AWG conductor size/gauge

● 2 conductor count

● Stranded cable type

● Bare copper material

● 600 V range

● 194°F (90°C) temperature rating

● PVC/nylon insulation material

● PVC—polyvinyl chloride jacketing material

● 25 A per conductor

Both communication and power conductors can be

bundled together in the same cable as long as the above-

mentioned conditions are met.

2.4 Lightning Surge Protection. The RVSD shall be in-

stalled using lightning surge protection on all communi-

cation and power lines. The surge protection devices shall

meet or exceed the EN 61000-4-5 Class 4 specications.

The lightning surge protection unit shall be the Wave-

tronix Click! 200™ or equivalent.

2.5 Power Supply. The RVSD shall be installed using the

Click! 201, Click! 202 or an equivalent AC to DC power

converter that meets the following specications.

The power converter shall be power rated at 15 W or

greater at 77°F (25°C) and 10 W or greater at 165.2°F (74°C).

The power converter shall operate in the temperature

range of -29.2°F to +165.2°F (–34°C to +74°C).

The power converter shall operate in the humidity range

of 5% to 95% at 77°F (25°C) non-condensing.

The power converter shall accept an input voltage of 85

VAC to 264 VAC or 120 VDC to 370 VDC.

The power converter shall operate at an input frequency

of 47 Hz to 63 Hz.

The power converter shall produce an output voltage of

24 VDC +

4%.

The power converter shall have a hold-up time of greater

than 20 ms at 120 VAC.

The power converter shall withstand a voltage across its

input and output of 2 kV. The power converter shall with-

stand a voltage across its input and ground of 1.5 kV.

The power converter shall comform to safety standards

UL 60950 and EN60950.

The power converter shall conform to EMC standards

EN55022 Class B and EN61000-3-2, 3.

In brown-out conditions (i.e. <85VAC input), the output

voltage of the power converter shall be less than 1 VDC.

2.6 Input File Cards. If input le cards are used in the

detection system, then the Click! 172, Click! 174 or an

equivalent that meets the following specications shall be

used.

The input le cards shall be compatible with 170, 2070,

NEMA TS1, and NEMA TS2 style input racks.

The input le card shall translate data packets from the

RVSD into contact closure outputs.

The input le card shall support dual loop (speed trap)

emulation, as well as the following modes of operation:

● Pulse (a single 125 ms output pulse for each vehicle)

● Presence (an output pulse corresponding to the dura-

tion of each vehicle in the detection zone)

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Wavetronix SMARTSENSOR 105 Manual de usuario Pagina 11

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