ABB FSM4000 Instrucciónes De Puesta En Marcha página 77

4.4 Connection examples for peripherals (incl. HART)
Current output
I E
+31
0/4 ... 20 mA
0/2 ... 10 mA
-32
Current output: selectable in software
Active
Function:
0/4 ... 20 mA (0 Ω ≤ RB ≤ 560 Ω)
0/2 ... 10 mA (0 Ω ≤ RB ≤ 1120 Ω)
Terminals: 31, 32
Fig. 31: Current output active with/without HART protocol (4 ... 20 mA)
Contact output
I E
R
+U
41
42
U
*
R CE
B
I
CE
Contact output: selectable in software
Passive
Function:
"closed" 0 V ≤ U
"open" 16 V ≤ U
Terminals: 41, 42
Fig. 32: Contact output for system monitoring, Max.-Min. alarm for empty tube or forward/reverse signal
Contact input
I E
81
R
i
82
Contact input: selectable in software
Passive
Function:
"On" 16 V ≤ U
"Off" 0 V ≤ U
Ri = 2 kΩ
Terminals: 81, 82
Fig. 33: Contact input for external totalizer reset and external zero return
D184B141U03
G00243
(for HART only 4 ... 20 mA)
*
B
0 V
24 V DC
G00244
≤ 2 V, 2 mA ≤ I
CEL CEL
≤ 30 V, 0 mA ≤ I
CEH CEH
+ 16 ... 30 V DC
0 V
G00245
≤ 30 V
KL
≤ 2 V
KL
I = internal
E = external
≤ 220 mA
≤ 2 mA
FSM4000
Electrical connections
Note
Horn and alarm light are shown only
as examples. Other suitable devices
such as bells, sirens, buzzers, etc.,
can also be used.
EN - 31