VEGA VEGATRENN 546 Safety barrier type 146 - Manual (Page 4)

4 Safety barrier type 146, VEGATRENN 546
Product description
1.3 Technical data
Input circuit
For connection to signal conditioning instrument VEGAMET 407 V, 509 V,
514 V, 515 V or EV-card of VEGALOG 571
Input voltage U
nenn
= 24 V DC (24 … 36 V DC)
The input circuit must only be connected to instruments with an operating voltage smaller than 250 V.
Output circuit
Number 2
Flame proofing EEx ib IIB (intrinsic safety)
Max. values (per circuit)
- voltage
U
O
≤ 25,2 V
- current I
K
≤ 370 mA
- power P ≤ 2,33 W
Max. permissible outer inductance 1 mH
Max. permissible outer capacitance 580 nF
Resistor per line pair max. 15 Ω
Characteristics linear
Conformity certificate PTB-no. Ex-93.C.4025
The intrinsically safe output circuits are reliably galvanically separated fron the not-intrinsically safe input
circuits up to a peak value of the nominal voltage of 375 V.
Electrical connection type 146
Terminals max. 1,5 mm 2
Electrical connection VEGATRENN 546
Multipoint plug acc. to DIN 41 612, series F, 32-pole, d, z
In conjunction with
- carrier type 596 Ex
connection to respective Ex-module
- housing type 589-10 Ex connection to screw terminals (max. 1,5 mm 2 )
Protective measures
Protection unassembled
- housing
IP 30
- screw terminals IP 20
- multipoint plug IP 00
Protection mounted
- housing type 589-10 Ex
IP 30
- carrier BGT 596 Ex
front side (completely equipped) IP 30
upper / lower side IP 20
Protection class (in housing type 589-10 Ex) II
Electrical separating measures
Galvanic separation between intrinsically safe circuits and not-intrinsically
safe circuits as well as among the intrinsically safe circuits
- limit voltage 250 V
- test voltage 1,5 kV