Wilo -Stratos MAXO-D Einbau- Und Betriebsanleitung Seite 145

NOTICE
• Remove the inner seal ring of the M16x1.5 threaded cable gland when installing cables with
a diameter ≥ 5 mm.
Position the cable shielding on only one end of the cable to prevent circulating current in the
event of potential difference via the communication cable!
To loosen the leads: Open the WAGO "Cage Clamp" spring clip! Then pull out leads!
External interfaces (Fig. 12)
• Analogue IN (purple terminal block)
• Digital IN (grey terminal block)
• Bus Wilo Net (green terminal block)
• SSM (red terminal block)
• SBM (orange terminal block)
All communication interfaces in the terminal room (analogue inputs, digital inputs, Bus Wilo Net, SSM and
SBM) comply with the SELV standard.
SSM and SBM can also be operated with/at non-SELV compliant connections/voltage ratings (up to
250 V AC) without this negatively influencing the SELV compliance of the remaining communication con-
nections in the terminal room.
Make sure to install cables correctly and ensure separation in the terminal room to maintain SELV conformity
for all other cables.
NOTICE
For cable requirements, see "Requirements [} 140]" section
7.5 Analogue input (AI1) or (AI2) - purple terminal block
Analogue signal sources connected to terminals 12 and 13 for use with AI1 and connected to terminals 22
and 23 for use with AI2
Note correct polarity for signals 0 – 10 V, 2 – 10 V, 0 – 20 mA and 4 – 20 mA.
Use the pump to supply 24 V DC to an active sensor. For this purpose, pick off the voltage at +24 V (11) and
GND I (12) terminals.
NOTICE
The 24 V DC power supply is only available when the analogue input AI1 or AI2 has been
configured for a type of use and a signal type.
The analogue inputs can be used for the following functions:
• External setpoint specification
• Sensor connection:
–
Temperature sensor
–
Differential pressure sensor
–
PID sensor
Analogue input for following signals:
Installation and operating instructions • Wilo-Stratos MAXO/-D/-Z • Ed.01/2023-02
en
145