Inputs/Outputs; Relay Outputs - Grundfos SMART Digital XL DDA 60-10 Installation And Operating Instructions Manual

7.18 Inputs/Outputs

In the "Setup > Inputs/Outputs" menu, you can
configure the two outputs "Relay 1+Relay 2" and the
signal inputs "External stop", "Empty signal" and
"Low-level signal".
In/Output
Relay 1
Relay 2
External stop
Empty signal
Low-level signal
Inputs/Outputs menu
Fig. 40
When time or date is changed in
"Time+date" menu, timer dosing and timer
relay output functions (Relay 2) are
stopped!
Timer dosing and timer relay output
functions must be restarted manually!
Changing time or date can cause increase
or decrease in concentration!
38

7.18.1 Relay outputs

The pump can switch two external signals using
installed relays. The relay outputs are potential-free.
The connection diagram of the relays is shown in
section
allocated with the following signals:
Relay 1
signal
>
>
NO
Alarm*
NO
NO
Warning*
Stroke
signal
Pump
dosing
Pulse
input**
Bus
control
Contact type
NO*
NC
* Factory setting
** The correct transmission of incoming pulses can
only be guaranteed up to a pulse frequency of 5
Hz.
5.3 Electrical connection. Both relays can be
Relay 2
Description
signal
Display red, pump
Alarm
stopped (e.g. empty
signal, etc.)
Display yellow, pump is
Warning
running (e.g. low-level
signal, etc.)
Stroke
Each full stroke
signal
Pump
Pump running and dosing
dosing*
Pulse
Each incoming pulse
input**
from pulse input
Bus
Activated by a command
control
in the bus communication
Timer
See following sections
Cycle
Timer
See following sections
Week
NO*
Normally open contact
NC
Normally closed contact
Continuous operation of the relays on a
high frequency reduces the relay lifetime
significantly.