User's Manual

Micropilot FMR67
Endress+Hauser V. 1, Rev. 3, 11-04-2017 19
Supply voltage
An external power supply is necessary.
Various power supply units can be ordered as an accessory from Endress+Hauser.
2-wire, 4-20mA HART, passive
"Power
supply,
output"
1)
"Approval"
2)
Terminal
voltage U
at device
Maximum load R,
depending on the supply voltage
U
0
of the power supply unit
A:
2-wire;
4-20mA
HART
• Non-
hazardous
•
Ex nA
• Ex ic
• CSA GP
14 to 35 V
R [ ]W
U
0
[V]
10
14
25
20 30 35
0
500
A0031745
Ex ia / IS 14 to 30 V
• Ex d(ia) / XP
•
Ex ic(ia)
• Ex nA(ia)
• Ex ta / DIP
14 to
35 V
3)
Ex ia + Ex d(ia) /
IS + XP
14 to 30 V
1) Feature 020 in the product structure
2)
Feature 010 in the product structure
3) At ambient temperatures T
a
≤ -20 °C, a terminal voltage U ≥ 16 V is required to start the device with the
min. error current (3.6 mA).
"Power
supply,
output"
1)
"Approval"
2)
Terminal
voltage U
at device
Maximum load R,
depending on the supply voltage
U
0
of the power supply unit
B:
2-wire;
4-20 mA
HART,
switch
outpu
• Non-
hazardous
•
Ex nA
• Ex nA(ia)
• Ex ic
• Ex ic(ia)
• Ex d(ia) / XP
• Ex ta / DIP
• CSA GP
16 to 35 V
R [ ]W
U
0
[V]
10
16
27
20 30 35
0
500
A0031746
• Ex ia / IS
•
Ex ia + Ex
d(ia) / IS + XP
16 to 30 V
1) Feature 020 in the product structure
2)
Feature 010 in the product structure