WAGO I/O System 750
Device Description 15
750-1505 16DO 24VDC 0.5 A, low-side switching
Manual
Version 1.1.0
Public
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3
Device Description
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The 750-1505 (16DO 24VDC 0.5 A, low-side switching) 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 16 output channels, providing a direct connection to single-
wire actuators.
The actuators are connected to the CAGE CLAMP
®
connections DO 1 ... DO 16.
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The assignment of the connections is described in the “Connectors” section.
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Use field side connection modules!
Where required, use the appropriate field side connection modules for power
supply to the actuators.
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Limit all induced voltage!
The electronic components of the I/O module can be damaged by the induced
voltage produced when inductive loads are de-activated.
An appropriate protection circuit, e.g., a recovery diode, must be installed in
parallel to the load to limit this induced voltage.
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Provide for overload protection!
Overloading can damage the electronic components of the I/O module.
A fused supply module (750-601) must be installed upstream of the I/O module
to protect it against overloading!
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The I/O module outputs provide negative switching. If the signal status of an
output channel is at "high" the 0V potential for field power will be switched to the
appropriate output connection.
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A green LED indicates the switched status of each channel.
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The meaning of the LEDs is described in the “Display Elements” section.
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The I/O module 750-1505 (16DO 24VDC 0.5 A, low-side switching) receives the
24 V voltage supply for the field level from an upstream I/O module or from the
fieldbus coupler/controller via blade-formed power jumper contacts. It then
provides these potentials to subsequent I/O modules via spring-formed power
jumper contacts.
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