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Ex relevant specifications for operation in Div. 1
SM/FEX300/FEX500/FM/CSA-EN
FEX300, FEX500
EN - 23
5.2
Electrical data for operation in zones 1, 21, 22 / Div. 1
5.2.1 Devices with HART protocol
When operating in potentially explosive areas, observe the following electrical data for the signal inputs and outputs of the transmitter. For the
correct current output design (active/passive), see the marking contained in the device's terminal box.
Dependent upon the device design, an "active" or a "passive" output will be available. For devices designed for use in Ex Zone 1, the current
output cannot be reconfigured locally. The configuration required for the current output (active/passive) must be specified when the order is
placed.
Model: FEP315, FEH315 / FEP515, FEH515 or FET325 / FET525
Operating values
Type of protection Ex i, IS
Inputs and outputs
U
N
[V]
I
N
[mA]
U
O
[V]
I
O
[mA]
P
O
[mW]
C
O
[nF]
C
OPA
[nF]
L
O
[mH]
Active current / HART output (
Terminals 31 / 32
)
Load: 250
Ω
≤
R
≤
300
Ω
30 30
20 100 500 210 195 6
U
I
[V]
I
I
[mA]
P
I
[mW]
C
I
[nF]
C
IPA
[nF]
L
I
[mH]
60
425
4)
2000
4)
8,4 24 0,065
Passive current / HART output (
Terminals 31 / 32
)
Load: 250
Ω
≤
R
≤
650
Ω
30 30
U
I
[V]
I
I
[mA]
P
I
[mW]
C
I
[nF]
C
IPA
[nF]
L
I
[nH]
60
500
4)
2000
4)
8,4 24 170
Passive digital output DO2 (Terminals 41 / 42)
30 220
U
I
[V]
I
I
[mA]
P
I
[mW]
C
I
[nF]
C
IPA
[nF]
L
I
[nH]
60
425
1) 4)
500
2) 4)
2000
4)
3,6 3,6 170
Passive digital output DO1 (Terminals 51 / 52)
30 220 60
425
1) 4)
500
2) 4)
2000
4)
3,6 3,6 170
Passive digital input DI (Terminals 81/82)
3)
30 10 60
500
4)
2000
4)
3,6 3,6 170
1)
For "active" current output
2)
For "passive" current output
3)
Only available in conjunction with passive current output
4)
Intrinsically safe single-channel or multi-channel barriers (supply isolators) with resistance characteristic must be used.
All inputs and outputs are electrically isolated from each other and from the power supply.
Note
The output circuits are designed in such a way that they can be connected to both intrinsically-safe and non-intrinsically-safe circuits. It is not
permitted to combine intrinsically safe and non-intrinsically safe circuits. In the case of intrinsically safe circuits, potential equalization is
required.
The rated voltage of the non-intrinsically safe circuits is U
M
= 60 V.
Provided that rated voltage U
M
= 60 V is not exceeded if connections are established to non-intrinsically safe external circuits, intrinsic safety is
still guaranteed.
If the installation is changed from type of protection "non-intrinsically safe" to "intrinsically safe" or vice versa, the device must be checked in
accordance with the instructions contained in section 7.4 "Changing the type of protection".
Summary of Contents for FEP315
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Page 44: ...Appendix 42 EN FEX300 FEX500 SM FEX300 FEX500 FM CSA EN ...
Page 46: ...Appendix 44 EN FEX300 FEX500 SM FEX300 FEX500 FM CSA EN ...
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