Electrical connections
44 FSM4000 D184B140U02
5.5 Connection examples for peripherals (incl. HART)
Current output
G00243
+31
-32
0/4 ... 20 mA
0/2 ... 10 mA
I E
I = internal
E = external
Current output: selectable in software
Function:
Active
0/4 ... 20 mA (0 Ω ≤ RB ≤ 560 Ω)
0/2 ... 10 mA (0 Ω ≤ RB ≤ 1120 Ω)
Terminals: 31, 32
(with HART only 4 ... 20 mA)
Fig. 40: Current output active with/without HART protocol (4 ... 20 mA)
Contact output
R
B
*
42
+U
G00244
41
R
B
*
U
CE
I
CE
I E
0V
24VDC
Note
Horn and alarm light are shown only
as examples. Other suitable devices
such as bells, sirens, buzzers, etc.,
can also be used.
Contact output: selectable in software
Function:
Passive
"closed" 0 V ≤ U
CEL
≤ 2 V, 2 mA ≤ I
CEL
≤ 220 mA
"open" 16 V ≤ U
CEH
≤ 30 V, 0 mA ≤ I
CEH
≤ 2 mA
Terminals: 41, 42
Fig. 41: Contact output for system monitoring, Max.-Min. alarm for empty tube or forward/reverse signal
Contact input
G00245
+16...30VDC
0V
82
81
R
i
I E
Contact input: selectable in software
Function:
Passive
"On" 16 V ≤ U
KL
≤ 30 V
"Off" 0 V ≤ U
KL
≤ 2 V
Ri = 2 kΩ
Terminals: 81, 82
Fig. 42: Contact input for external totalizer reset and external zero return