VEGAPULS 56K
25
Connection lines
Two-wire sensors
supply and signal via one two-wire line
Four-wire sensor
supply and signal separately, line
resistor of the 4␣ …␣ 20␣ mA-signal line
max. 500␣
Ω
Cross-section area of conductor
generally 2,5 mm
2
Earth connection
max. 4 mm
2
Cable entry
- Ex ia-terminal box (adjustment module) 2 x M20 x 1,5 (cable diameter 5 … 9 mm)
- Exd-terminal box
2 x
1
/
2
“ NPT EEx d (cable diameter of
3,1␣ …␣ 8,7␣ mm or 0,12 … 0,34 inch)
CE-conformity
VEGAPULS radar sensors meet the protective regulations of EMVG (89/336/EWG) and NSR
(73/23/EWG). The conformity has been judged acc. to the following standards:
EMVG
Emission
EN 50 081 - 1: 1992
Susceptibility
EN 50 082 - 1: 1995
NSR
EN 61 010 - 1: 1993
Outputs and processings
Display indication
Indication
- optionally mounted scalable analogue and
digital indication of measured values
- optionally external measured value indication,
separated up to 25 m from the sensor,
supplied from the sensor
Signal output
Signal output
- two-wire technology
4 … 20 mA
- four-wire technology
4 … 20 mA
Resolution of the 20 mA-signal
1,6
µ
A (0,01 % of operating range)
Load
- four-wire
0 … 500
Ω
- two-wire
see load diagram under "Power supply“
Integration time
0 … 999 seconds
Two-wire technology:
The analogue 4 …␣ 20 mA-output signal (meas. signal) is transmitted together with the power
supply via one two-wire line.
Four-wire technology:
Separate power supply.
The analogue 4␣ …␣ 20␣ mA-output signal (meas. signal) is looped in a line separated from the
supply voltage.
Technical data
