Wavetronix SMARTSENSOR 105 Bedienungsanleitung PDF herunterladen (Seite 6)

SmartSensor 105

The RVSD shall not rely on baery backup to store congu-

ration information, thus eliminating any need for baery

replacement.

Once the RVSD is calibrated, it shall not require recalibration

to maintain performance unless the roadway conguration

changes.

6.0 Physical Properties. The RVSD shall not exceed 5 lbs. (2.3

kg) in weight.

The RVSD shall not exceed 14 in. x 12 in. x 4 in. (35.6 cm x 30.5

cm x 10.2 cm) in its physical dimensions.

All external parts of the RVSD shall be ultraviolet-resistant,

corrosion-resistant, and protected from fungus growth and

moisture deterioration.

6.1 Enclosure. The RVSD shall be enclosed in a Lexan

EXL polycarbonate.

The enclosure shall be classied “f1” outdoor weatherabil-

ity in accordance with UL 746C.

The RVSD shall be classied as watertight according to

the NEMA 250 Standard.

The RVSD enclosure shall conform to test criteria set forth

in the NEMA 250 standard for type 4X enclosures. Test

results shall be provided for each of the following type 4X

criteria:

● External Icing (NEMA 250 clause 5.6)

● Hose-down (NEMA 250 clause 5.7)

● 4X Corrosion Protection (NEMA 250 clause 5.10)

● Gasket (NEMA 250 clause 5.14)

The RVSD shall be able to withstand a drop of up to 5 ft.

(1.5 m) without compromising its functional and struc-

tural integrity.

The RVSD enclosure shall include a connector that meets

the MIL-C-26482 specication. The MIL-C-26482 connec-

tor shall provide contacts for all data and power connec-

tions.

7.0 Power Requirements. The RVSD shall consume less than

9.5 W.

The RVSD shall operate with a DC input between 12 VDC and

28 VDC.

8.0 Communication Ports. The RVSD shall have an RS-485

port and an RS-232 port, and both ports shall communicate

independently and simultaneously.

The two simultaneous ports are necessary whenever simultane-

ous access to the RVSD is needed or redundancy is required. For

example, two ports are needed if event data and interval data must be

collected at the same time. For an example of redundancy, the RS-232

port and RS-485 port could each be connected to separate communi-

cations device to provide a backup means of communication in case a

device fails.

The RS-232 port shall be full-duplex and shall support true

RTS/CTS hardware handshaking for interfacing with various

communication devices.

The RVSD shall support the upload of new rmware into the

RVSD’s non-volatile memory over either communication port.

The RVSD shall support the user conguration of the follow-

ing:

● Baud rate

● Response delay

● Data push

● RS-232 flow control (RTS/CTS or none)

The communication ports shall support all of the following

baud rates: 9600, 19200, 38400, 57600 and 115200 bps.

9.0 Data Protocols. The RVSD shall support 3 dierent data

protocols for all lanes being monitored: interval (bin) data,

event (per vehicle) data, and real-time true presence data.

The RVSD manufacturer shall provide the data protocol docu-

ment free of charge.

The interval (bin) data packet protocol shall support:

● Sensor ID

● A timestamp that records the year, month, day, hour, min-

ute, and second of the end of time interval

● Total volumes of more than 65536

● Average speed values in either mph or kph

● Occupancy in 0.1% increments

● Volume in up to 3 length-based user-defined vehicle clas-

sification bins

The event (per vehicle) data packet protocol shall support:

● Sensor ID

● A timestamp that records the hour, minute, second and mil-

lisecond of the time the vehicle left the detection zone

● Lane assignment

● Speed values in either mph or kph

● Vehicle duration

● Classification using up to to 3 user-defined classes

The real-time true presence data packet protocol shall support:

● Sensor ID

● Presence information for each lane being monitored

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