ABB FS4000, Operating Instruction

Page: 45 / 126

Electrical connections
D184B097U02 FV4000 / FS4000 45
5.4 Switching output
The function of the switching output can be selected in the software. It can be assigned as a
pulse output, a min./max. alarm (temperature or flow) or a system alarm. It can be configured as
a NAMUR contact (to DIN 19234) or as a passive optocoupler.
Switching output Input from, e.g., PLC, etc. with
U
S
= 16 ... 30 V
Fig. 35: Electrical connection
Function Technical data
Pulse output f
max
= 100 Hz, 1 ... 256 ms
NAMUR contact Closed: 1 K Ω , open: > 10 K Ω
Passive optocoupler 0 ≤ U
CEL
≤ 2 V, 16 V ≤ U
CEH
≤ 30 V
0 ≤ I
CEH
≤ 0.2 mA, 2 mA ≤ I
CEL
≤ 15 mA
G00647
e
0 1
B
e
8 9 2 10
I in mA
Ui
n
V
S
R
min
= 2
K Ω
R
m
a
x
=
8
0
K
Ω
3 11 16 4 12 5 13 6 14 7 15
35
30
25
20
15
10
5
0
Fig. 36: Load resistance of the switching output as a function of current and voltage