ABB CoriolisMaster FCM2000, Operating Instruction

Page: 68 / 104

7 Installation and Interconnections, Flowmeter Primaries and Converters
68 FCM2000 D184B111U02
7.1 Interconnection Examples for Peripherals
7.1.1 Standard – Ex-Free Area
Fig. 25:
51
52
internal external
Scaled pulse output active
–
16 to 30 V+
+31
–32
internal external
Current Output 1 active
0/4–20 mA
41
42
internal external
Contact output for system monitor, Max.-Min.-Alarm
empty meter pipe or forward /reverse direction signal
Function selectable in software
R
B
*
U+
⊗
51
52
internal external
Scaled pulse output passive, optocoupler
–
16 - 30 V=
R
L
*
*R
L
≥
U
CE
I
CE
-----------
+33
-34
internal external
Current Output 2 passive
4–20 mA
12 V - 30 V=
+
-
81
82
internal external
Contact input for external totalizer reset or
external zero return
Function selectable in software
0 V
16 to 30 V+
R
i
R
i
= 2 k
Ω