Vega VEGACONNECT User Manual download pdf (Page 3)

VEGACONNECT

Technical Information

2.3 Sensor in conjunction with VEGALOG 571

sensors

VEGACONNECT

VBUS

2 mm-plug

RS 232

D-Sub-plug

9-pole

GND

RxD

TxD

146

Sensor

Ex-area

not-Ex-area

e.g. VEGAMET 514 V

CONNECT-

sockets in the

front plate

connection

line

2.5 Ex-sensors with VEGAMET 509 V, 512 V,

514 V or VEGAMET 515 V

Connection points Parameter adjustment

1 VEGAMET

Sensor

2 Sensor

3 Electrical connection

4 Technical data

Power supply from PC/LAPTOP via

RS 232

Power consumption max. 8 mA

Voltage max. 15 V

Transmission rate 9.600 baud

Data format 8 bit (ASCII-Code)

Parity even

Start / Stop 1 bit each

Galvanic separation between VBUS and RS 232

Line length RS 232 approx. 30 cm

VBUS approx. 150 cm

Permissible

ambient temperature -20°C … +60°C

Storage and

transport temperature -20°C … +70°C

Housing material shock-resistant Polystyrol

upper part light grey

lower part agate

Housing dimensions W x H x D

= approx. 100 x 52 x 30 mm

Weight

- with connection line approx. 200 g

connection line

CONNECT CONNECT CONNECT CONNECT CONNECT

Connection points Parameter adjustment

1 … 15 respective sensor

16 Sensor 1 … 15

2.4 Compact and dust Ex-sensors

Sensor

Power supply

connection line to

indicator

CONNECT

Connection points Parameter adjustment

1 Sensor

2 Sensor

Note

A digital signal (VBUS) is additionally modulated to the

0/4 … 20 mA-output. Acc. to the connected output (e.g.

indicator) this signal is damped by the internal resistor of

the output, if it is smaller than 100 Ω. For analog inputs of

PLC-systems this resistor is generally ≥ 100 Ω, so that no

damping is caused. In case of a low impedance indicator a

load resistor of R = 100 Ω must be connected in the

0/4 … 20 mA-line and VEGACONNECT must be

connected to this resistor.

CONNECT-sockets on

the sensor

CONNECT-sockets on

the sensor

EV-card CPU-card

to sensor

R = 100 Ω

VEGACONNECT

1 2 3 4

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