WAGO-I/O-SYSTEM 750
Device Description
13
750-515 4DO 250V AC 2.0A/ Relais 4NO/ Potential Free
Manual
Version 1.0.1
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3
Device Description
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The 750-515 Digital Output Module transmits binary control signals from the
automation device to the connected actuators (e.g., solenoid valves, contactors,
transmitters, relays or other electrical loads).
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The I/O module has 4 output channels, providing for direct connection of
actuators equipment with protection classes II and III.
The actuators can be wired to the CAGE CLAMP
®
connectors directly. An
external potential of 250 VAC can be applied to relay contacts 13, 23, 33 and 43.
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The assignment of the connections is described in the “Connectors” section.
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Connection examples are shown in section “Connecting Devices” > … >
“Connection Example(s)”.
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Inductive loads must be dampened!
For the protection of relay coils and contacts, inductive loads must be dampened
with an effective protection circuit!
Examples of protection circuits can be seen in the section “Protective Circuits for
Contacts of Relay Modules”.
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The I/O module contains 1 contact relay per channel. The contact relays are
potential free, i.e., only the connection points for the relay contacts are available
at the field side so that different voltages can be applied independently to all 4
make contacts.
The floating contacts also enable, for example, series connection of all 4 relays or
series connection of several relays when the I/O modules are set up in blocks.
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The internal system voltage is used to trigger the relays.
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The switching status of the two relays is indicated via green status LEDs.
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The meaning of the LEDs is described in the “Display Elements” section.
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With consideration of the power jumper contacts, the individual modules can be
arranged in any combination when configuring the fieldbus node. An arrangement
in groups within the group of potentials is not necessary.
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Use supply modules for ground (earth)!
The I/O module has no power jumper contacts for receiving and transmitting the
earth potential. Use a supply module when an earth potential is needed for the
subsequent I/O modules.
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