English (GB)
39
9.4 First function level
Fig. 38
First function level
* You can modify the assignment between the current input and the flow rate. See section
9.9 Current signal
control 0-20 mA / 4-20 mA
.
9.4.1 Setting the operating modes
The operating modes are selected in the first
function level, and settings can be made for the
modes.
This function level can only be opened when the
pump is stopped.
1. When the pump is stopped (LED lights up red),
press the "Menu/Info" button.
– The first function level is opened.
2. Navigate in the first function level by repeatedly
pressing the "Menu/Info" button.
3. Use the "Up" and "Down" buttons to modify the
settings in the relevant menu as shown in fig. 38.
4. Press the "Start/Stop" button to confirm the
settings and to exit the first function level.
– The pump is running (LED lights up green).
9.4.2 Manual control
Dosing with manual on/off and manually
adjustable dosing flow
In this operating mode, all the settings are entered
on the pump by the operator.
•
Use the "Start/Stop" button to start or stop the
pump.
•
Use the "Up" and "Down" buttons to increase or
decrease the flow rate. This can be done when
the pump is stopped or when it is running.
Fig. 39
Display: manual control
TM
03
66
00
45
06
Stop
Start
Stop
Start
Stop
Start
Stop
Start
Down
Up
Down
Up
Analog
0.000
4-20 mA
l/h
Analog
0.000
0-20 mA
l/h
Contact ml
1.75
l/h
Manual
1.20
Menu
Info
Menu
Info
Menu
Info
Menu
Info
l/h
Pump not running (LED lights up red)
Pump running (LED lights up green)
Current signal
control
4-20 mA
Set the dosing rate to approx.
1 % to 100 % of max. dosing
rate [l/h]
Set the dosing quantity/signal
to 2 % to 400 % of the volume
per stroke [ml]
Dosing rate proportional to current signal*
20 mA:
Continuous operation, max. dosing
rate
< 0.2 mA: Pump stops
0.2-20 mA: Dosing rate proportional to current
signal
Dosing rate proportional to current signal*
20 mA:
Continuous operation, max. dosing rate
< 0.2 mA: Pump stops
0.2-20 mA: Dosing rate proportional to current
signal
< 2 mA:
Fault signal switches on
> Display: "ERROR", LED flashes red
Current signal
control
0-20 mA
Manual control
Contact signal
control
T
M
03
66
01
45
06
Manual
l/h
Run
1.20
Содержание DDI 209
Страница 1: ...GRUNDFOS INSTRUCTIONS DDI 209 Dosing pump Installation and operating instructions ...
Страница 73: ...73 ...