IMP PUMPS NMT Max C - 5 Relay Output

23
RUN
voltage
MAX
voltage
Function
< 2 V
0..10 V
Pump stopped.
> 3 V
0..10 V
H
max / n max
U[
V]
H
min / n min
Off
H [m] /
n[RPM]
10
H
min
= 15% H
max
n
min
= 25% n
max
0.5
Figure 3: External 0..10 V transfer curve for Mode 2
5. RELAY OUTPUT
Terminal
designation
Terminal description
MODE
Mode selection rotary switch. Used to show and configure mode of operation for relay.
LED1 / LINK
Slowly blinking when module is powered, permanently lid when link established
7
.
LED2 / ACT
Flashing yellow when data reception detected. Combined (OR) with Modbus data
reception indication
7
.
NC
Normally closed relay contact. Opens when relay is active.
C
Relay common contact.
NO / OK
Normally open relay contact. Closes when relay is active.
The module contains one status relay, used to signal pump operation or malfunction. See table below for
functionality.