38
FEM630 | ELECTROMAGNETIC FLOWMETER | OI/FEM630-EN REV. A
Digital output 41 / 42, 51 / 52
Can be configured as pulse, frequency or binary output via
on-site software.
Current output V1 / V2, V3 / V4 (plug-in module)
Up to two additional plug-in modules can be implemented via
the ‘Passive current output (red)’ option module.
The plug-in module can be used in slot OC1 and OC2.
Note
• Terminals 42 / 52 have the same potential. Digital
outputs DO 41 / 42 and DO 51 / 52 are not electrically
isolated from each other. If an additional electrically
isolated digital output is required, a corresponding plug-
in module must be used.
• If you are using a mechanical counter, we recommend
frequency of f
max
6 ...Electrical connections
...Pin assignment
Digital output 41 / 42, 51 / 52 passive as a pulse or frequency
output
Passive digital output 51 / 52 as binary output
Current output V1 / V2, passive
Current output V3 / V4, passive
Permissible source voltage U
q
for passive outputs in relation to load
resistance R
B
where I
max
= 22 mA. = Permissible range
A
B
A
B
Figure 41
B
Figure 42
B
Figure 43 Source voltage for passive outputs
G11597-02
A
16...30 VDC
B
R
B
U
CE
I
CE
R
B
U
CE
I
CE
41+
51+
IE
42-/
52-
41+
51+
IE
42-/
52-
R
B
R
B
012345
16...30 V DC
012345
R
B
Pulse / frequency output (passive)
Terminals
Output ‘closed’
CEL
CEL
Output ‘open’
CEH
CEH
f
max
Pulse width
Passive current output
Terminals
Output signal
Load R
B
Source voltage U*
Measuring error
Resolution
Binary output (passive)
Terminals
Output ‘closed’
CEL
CEL
Output ‘open’
CEH
CEH
Switching function
Parameterization possible.
See Menu: Input/Output
G11897-02
A
B
V1+
IE
V2-
R
B
OC1
V3+
IE
V4-
R
B
OC2
G10323-02
0
0
100
200
300
400
500
600
5101520253035
*The source voltage U
q
is dependent of the load R
B
and must be placed in
an additional area.