Endress+Hauser Levelflex FMP52, Operating Instructions Manual, Page: 43 / 198

Levelflex FMP55 HART Electrical connection
Hauser 43
7.1.4 Power supply
2-wire, 4-20mA HART, passive
2-wire; 4-20mA HART
1)
"Approval"
2)
Terminal voltage U at the device Maximum load R, depending on the supply voltage U
0
at the
supply unit
• Non-Ex
• Ex nA
• CSA GP 17.5 to 35 V
R [ ] W
[V] U0 10
17.5 28.5
20 30 35
0
500
A0014079
Ex ic 17.5 to 32 V
Ex ia / IS 17.5 to 30 V
• Ex d / XP
• Ex ic[ia]
• Ex tD / DIP
18.5 to 30 V
R [ ] W
[V] U0 10
18.5 29.5
20 30
0
500
A0014080
1) Feature 020 of the product structure: option A
2) Feature 010 of the product structure
2-wire; 4-20 mA HART, switch output
1)
"Approval"
2)
Terminal voltage U at the device Maximum load R, depending on the supply voltage U
0
at the
supply unit
• Non-Ex
• Ex nA
• Ex nA[ia]
• Ex ic
• Ex ic[ia]
• Ex d[ia] / XP
• Ex ta / DIP
• CSA GP 12 to 35 V
3)
R [ ] W
U0 [V]
10
12 23
20 30 35
0
500
A0019136
• Ex ia / IS
• Ex ia + Ex d[ia] / IS + XP 12 to 30 V
3)
1) Feature 020 of the product structure: option B
2) Feature 010 of the product structure
3) For ambient temperatures T
a
≤ -30 °C (-22 °F) a minimum voltage of 14 V is required for the startup of the device at the MIN error current (3.6
mA).