Electrical Connection - Wilo Smart Gateway Instrucciones De Instalación Y Funcionamiento

en Installation and electrical connection
7.2

Electrical connection

DANGER
Risk of fatal electrical shock!
Electrical connection must be carried out by an electrician authorised by the local
energy supply company and in accordance with the applicable local regulations
[e.g. VDE regulations].
DANGER
Risk of fatal electrical shock!
Before installation and electrical connection, disconnect the system/switch cab-
inet from the power supply!
NOTICE
A separate power supply unit with the respective output power is required for the
power supply of the Wilo-Smart Gateway with 24 V DC SELV.
7.2.1 Connecting the power supply
1.
2.
7.2.2 Terminal assignment
Gateway connections (Fig. 5):
Gateway connections
[Digital I/O]:
I1:
I2:
G:
O:
G:
32
Strip 5 – 6 mm off the power supply's wire ends from the power supply unit.
Connect the 24 V DC SELV power supply from the power supply unit.
For connecting digital input and output signals
Will only be supported in future software versions.
Digital input 1, 24 V (IEC 61131-2, Type 1)
Digital input 2, 24 V (IEC 61131-2, Type 1)
Ground for digital inputs
Digital open collector output, 500 mA, max. 36 V (utilisation category DC 13)
Ground for digital output
Digital inputs and outputs for future function developments. The digital out-
put is designed for a maximum current carrying capacity of 500 mA and a
maximum nominal switching voltage of 36 V. Out 1 can be used to switch in-
ductive loads (e.g. relays).
WILO SE 2020-09