VEGA VEGAPULS 81 - Manual (Page 18)

18 VEGAPULS 64 and 81
Types and versions: Configuration of measuring systems
Measuring system with VEGAPULS 81 sensors (type A); one sensor per
screened four-wire line via separator VEGATRENN 547 on the processing
system VEGALOG 571
• Digital output signal; signal processing in the processing system.
• One sensor per four-wire line. The screened four-wire line transmits the power supply, the
digital output signal as well as the adjustment signal.
• Approved in Ex Zone 0 (EEx ib). Supply/output signal in Ex-concept EEx i (intrinsically safe).
• Adjustment and parameter adjustment via a PC and the adjustment program VVO. For adjust-
ment the PC is connected directly to the computer module of the processing system via an
interface cable (RS 232).
• An indicating instrument with digital and analogue indication is optionally integrated in the
sensor.
• Optionally an external digital/analogue indication. The indication can be separated from the
sensor in Ex zone 0 up to 25 m.
• The max. permissible resistor of the screened four-wire line is 7,5 Ω per line or max. 1000 m
cable length between sensor and processing system.
4
4
4
4
4
4
VEGALOG
571 CPU
VEGALOG
571 EV
CPU
VEGATRENN
547
VEGATRENN
547
VEGATRENN
547
4
4
4
4
4
4
Current outputs
Voltage outputs
Relay outputs
Transistor outputs
Fail safe outputs
Indication outputs
Digital connectability
Connection to all BUS-
systems
Outputs (see also Product
Information “Processing
system VEGALOG 571“)
VEGADIS 10
VEGAPULS 81 with digital signal
output, 1 sensor per four-wire
line
PC with adjustment software
VEGA Visual Operating
Ex-area
Non-Ex-area
EEx i
EEx i
EEx i
EEx i
EEx i
Input card of VEGALOG 571
(1 … 15 sensors per card)
Processing system
VEGALOG 571 with
separator VEGATRENN
547 in 19“-rack
Separator
VEGATRENN 547
(2 sensors per card)
screened cable
EEx i