Creating A Master/Slave Application - Grundfos DDI 222 Instrucciones De Instalación Y Funcionamiento

Selecting "Manual" or "Contact" timer mode
• When the pump is running (LED lights up green), press the
"Start/Stop" button.
– "Stop" and the preset start time t
LED lights up red.
– "Manual" or "Contact" appears in the display ("Manual" is
default setting).
In the first function level, only the timer function is displayed with
the "Timer manual" and "Timer contact" menu items.
• Use the "Menu/Info" button to select
– "Timer manual", or
– "Timer contact".
Enabling timer mode
Timer manual
Batch dosing with the preset pause time is triggered manually.
• Press the "Start/Stop" button.
– The LED lights up green, the "Stop" segment is turned off
and "Run" flashes in the display.
– The preset batch cycle is started.
Timer contact
Batch dosing with the preset pause time is triggered by an
external contact signal.
To activate the batch contact function,
• press the "Start/Stop" button.
– The LED lights up green, the "Stop" segment is turned off
and "Run" appears in the display.
When the external contact signal is received, "Run" flashes in the
display.
• The preset batch cycle is started.
During pause times
The time remaining until the next dosing appears in the display.
To display the time already elapsed,
• press the "Down" button.
To display the total time t or t
1 2
• press the "Up" button.
During timer dosing
The batch quantity still to be dosed appears in the display.
To display the batch quantity already dosed,
• press the "Down" button.
To display the total batch quantity,
• press the "Up" button.
Stop/start of pump during timer dosing
To stop the pump,
• press the "Start/Stop" button, or
• actuate remote on/off.
To restart the pump,
• press the "Start/Stop" button.
– The preset batch cycle continues.
– For the "Contact" timer, an external contact signal must also
be received.
Deactivating the timer function
1. Open the second function level.
2. Repeatedly press the "Menu/Info" button.
– "ON t" appears in the display.
3. Press the "Up" button.
– "OFF t" appears in the display.
– The timer function is deactivated.
appear in the display. The
1
,

9.13 Creating a master/slave application

You can connect several secondary pumps and control the
secondary pumps (slaves) via the first pump (master).
9.13.1 Master
All operating modes are available for the master pump:
• Manual
• Contact
• Batch dosing with manual/contact start
• Timer mode with manual/contact start
• Current control.
Select the output signal of the master pump in the service
level (relay 1) (output socket 3):
• Stroke signal (emits one output signal per stroke) must be
used for manual or current control of the master pump, or
• pulse input (emits one output signal per contact input signal)
must be used for contact control of the master pump.
Alternatively select the current output (output socket 2) for
current control of the slave pump.
Please note that the current output can differ from
the current input, e.g. when the pump is stopped, and
Note
please observe the modified current output values
with weighted current control.
9.13.2 Slave
The following operating modes are available for slave pumps in
contact or current control (input socket 4):
• Contact
• Batch dosing with contact start
• Timer mode with contact start
• Current control.
The settings for the operating modes of the slave
Note pumps are implemented independently of settings for
the master pump.
Unused pulse inputs from the master pump are
forwarded to the slave pumps when output signal =
Caution
pulse input is set. They are processed on the slave
pumps according to the slave pump settings!
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