VEGA VEGAWELL 72 4 … 20 mA_HART PT 100 - Manual (Page 38)

1200
880
600
380
12 18 16 9,6 14 20 22 24 26 28 29 30 32 34 36
Ω
V
1
4
2
3
Fig. 14: Voltage diagram
1
HART load
2
Voltage limit
3
Supply voltage
Integrated overvoltage protection
N
ominal leakage current (8/20 µs) 5 kA
M in. response time < 25 ns
Electrical protective measures
P
rotection
-
T ransmitter IP 68 (25 bar)
-
H ousing IP 66/IP 67
O vervoltage category III
P rotection class III
Existing approvals or approvals applied for 10 )
A
pprovals
-
ATEX ATEX II 2G EE x ia IIC T6
-
IEC IEC E x ia IIC T6
-
PTB E x-Zone 2
-
S hip approvals GL, LRS, ABS, CCS, RINA, DNV
-
O thers WRA
10) D eviating data in Ex applications: see separate safety instructions.
38 VEGAWELL 72 • 4 … 20 mA/HART PT
9 S upplement
34360
-EN
-080806