Power Supply Concept - WAGO -I/O-SYSTEM 750 Series Manual

58 Connect Devices
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7.2

Power Supply Concept

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The PROFIsafe I/O module receives the field supply voltage via the power jumper
contacts listed as knife blade contacts from an upstream I/O module, the fieldbus
coupler/controller or an internal system supply module and makes this potential
available via the power jumper contacts listed as spring contacts for downstream
I/O modules.
Only operate PROFIsafe I/O modules with safe extra low voltage!
When using PROFIsafe I/O modules, only use power supplies with extra-low
voltage (PELV/SELV) for the 24 VDC power supply acc. EN 50178 or
EN 60950-1.
In addition, note that only a maximum voltage of U
even in the event of failure.
The following applies to all PROFIsafe I/O modules:
U < 35 V.
max.
Only operate sensors and actuators with a safe extra low voltage!
All sensors and actuators with field supply connected to the PROFIsafe I/O
modules also have to be supplied from a safe extra low voltage (SELV/PELV). In
the case of error, only the maximum voltage U
outputs of a PROFIsafe I/O module.
The following applies to the maximum voltage U
U < 35 V.
max.
Only supply PROFIsafe modules with filtered voltages!
Only power a fieldbus node that contains PROFIsafe I/O modules with a voltage
filtered against surges (burst and surge) according to EN 61326-3-1. You may
need to install an external filter or filter module (750-624 or 750-626). Note that
the cable length from the filter to the fieldbus node must be as short as possible.
WAGO-I/O-SYSTEM 750
753-661/000-003 4FDI 24V PROFIsafe V2 iPar
can act on these modules
max.
can be applied to the inputs and
max.
:
max.
Version 1.4.0, valid from HW/SW Version 01/02
Manual