Overview Of Factory Settings - GEM 3040 Operating Instructions Manual

11 Commissioning
Example 1: GEMÜ 3040 via NPN, external relay
24 V
24 V
PNP
Output
NPN
GND
Fig. 18: Connection of the digital output to relay
Example 2: GEMÜ 3040 via PNP, external counter for example
PLC
24 V
24 V
PNP
Output
Approx. 2 kOhm
NPN
GND
Fig. 19: Connection of the digital output to counter input
It might be necessary to install a resistor in the case of a high-
resistance counter input and high counter frequency in order
to have clean edges.
GEMÜ 3040
Relay
In
Counter
GND
GND
26 / 34
11.2.6.5 Diagnostics
Current device parameters such as software versions, etc.
can be viewed under the "Diagnostics" menu item. This in-
formation is required in the case of a service.
11.2.6.5.1 Test flow
A test flow can be set for commissioning the process plant. In
this case, the measurement device behaves as if the test flow
really flows, even when the measurement device is empty.
"Start" must be selected to begin the simulation, "Stop" ends
the simulation.
If the measurement device is restarted, the test flow is
stopped and the value is deleted.
Setting range:
0 to 3200 ml/s in steps of 0.1
0 to 1920 l/min in steps of 0.1
11.2.6.5.2 Pump mode
This mode can be switched on and off via the menu.
If pumping is pulsating, the measurement device sets the dis-
play and analogue filter to strong.
When pulsating pumping stops, the device behaves as set
again.
Setting range: On, off
Factory setting: Off

11.3 Overview of factory settings

Function
Pulse value 1 ml/pulse
Digital output Q1 Pulse output as PNP (24 V) make
contact
Current output QA Flow output as 4–20 mA signal
20 mA -> 21 l/min for DN10
36 l/min for DN15
60 l/min for DN20
240 l/min for DN25
300 l/min for DN32
480 l/min for DN40
900 l/min for DN50
Leak flow volume 0.3 l/min for DN10
0.9 l/min for DN15
3.5 l/min for DN20
5.0 l/min for DN25
9.0 l/min for DN32
18.0 l/min for DN40
36.0 l/min for DN50
Factory setting
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