Hart Ex Ia/Is Active Input - Endress+Hauser Proservo NMS81 Technical Information

Proservo NMS81

HART Ex ia/IS active input

Endress+Hauser
CDI
 7 HART Ex ia/IS active input
E1 HART +
E2 HART -
The device has a HART Ex ia/IS active input. Additional features are provided if the following
Endress+Hauser devices are connected:
Prothermo NMT
The measured level is transmitted to the Prothermo. Prothermo uses this level to calculate the
average temperature of the product.
Technical data
Transmitter power supply voltage
Maximum load
Maximum current of all connected devices
The HART Ex ia/IS active input is available by default. It needs not to be chosen explicitly when
ordering a device.
D
1 2 3 4
E
1
E
1
CDI
2
1
F
1
2
1
G
2
C
1 2 3 4
3
POWER
D 1 2 3 4
1
2
C 1 2 3 4 5 6 7 8
i
3
4
B
1 2 3 4 5 6 7 8
HR
on
WP A
1 2 3 4
SIM
23.0 V - 380 Ω ⋅ I
load
500 Ω including signal line
24 mA
A0027364
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