GEM 3030 mFlow - 5 Electrical Connections; 6 Operation; Operating and Display Elements; Menu Levels

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3030 mFlow
4.2 Disassembly
DANGER
Corrosive chemicals!
® Risk of caustic burns.
 Carefully drain and rinse out all media-wetted
parts before any transportation.
 Wear suitable protective gear.
Residual chemicals may collect on or penetrate the
sensor rod or fi tting of the GEMÜ 3030 mFlow.
5 Electrical connections
Danger of cable break!
® Damage to the device.
 Turn electrical connections
max. 360°.
1
4
3
2
5
max. 360°
To ensure that the fl owmeter can be safely
restarted after the power supply is interrupted,
the power interruption must be longer than three
seconds.
In the case of the Profibus DP design, the RS-232
interface is omitted.
 Connect 24V DC supply voltage to plug X1.
X1 X3
X2
B-coded
1
5
43
2
1
5
43
2
1
5
43
2
Connection Pin Signal name
X1
M12 plug
A-coded
1 Uv, 24V DC supply voltage
2 Make contact, output K1, 24 V DC
3 GND
4 Make contact, output K2, 24 V DC
5 n.c.
Connection Pin Designation
X2
B-coded
M12 plug
1 n.c.
2 n.c.
3 RXD, RS 232
4 TXT, RS 232
5 GND, RS 232
Connection Pin Designation
X3
A-coded
M12 plug
1 I+, current output
2 I-, current output
3 Function earth
4 24 V DC, pulse output
5 GND, pulse output K3
6 Operation
6.1 Operating and display elements
Back key
2-line display
Forwards key Plus key Minus key
6.2 Menu levels
The GEMÜ 3030 mFlow contains two menu levels. These are
the working level ( Mode) and the confi guration level (Setup).
6.2.1 Working level (Mode)
The GEMÜ 3030 mFlow is automatically at this level after the
supply voltage is switched on.
6.2.2 Confi guration level (Setup)
Various parameters can be set at this level in order to optimally
adapt to the application conditions.
7 Changing parameters
For the GEMÜ 3030 mFlow, the keys
+ 
are used to select the various menus in accordance with to
chapter 8. Confi guration menu.
The changes to the parameters required are made using
brackets that are put round the respective parameters.
Use the
or key to move the cursor onto the respective
parameter and change it with the
+
or

key.
Example:
The unit of measure (Unit) should be changed from l/h to l/
min.