WAGO-I/O-SYSTEM 750 XTR
Device Description
15
750-557/040-000 4AO +/-10V DC /XTR
Manual
Version 1.3.0
3
Device Description
The analog output module 750-557/040-000 (4AO +/-10V DC /XTR) generates a
standardized signal of ±10 V for the field area.
The I/O module has 4 output channels, making direct wiring of four 2-wire
actuators possible.
The actuators are connected to CAGE CLAMP
®
connectors AO 1 and common
(ground) or AO 2, AO 3, AO 4 and respective common (ground).
The channels have a common ground potential.
The assignment of the connections is described in the
“Connectors” section.
Connection examples are shown in section
“Connect Devices” > … >
“Connection Example(s)”.
The operational readiness and the trouble-free local bus communication of the
channels are indicated via a green function LED.
A red error LED indicates a short circuit or overcurrent.
The meaning of the LEDs is described in the
“Display Elements” section.
Power to the internal electronics is supplied via internal data bus.
The I/O module 750-557/040-000 (4AO +/-10V DC /XTR) 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.
Do not exceed maximum values via power contacts!
The maximum current that can flow through the power jumper contacts is 10 A.
The power jumper contacts can be damaged and the permissible operating
temperature can be exceeded by higher current values.
When configuring the system, do not exceed the permissible maximum current
value. If there is a higher power requirement, you must use an additional supply
module to provide the field voltage.
The Output signal is electrically isolated and will be transmitted with a resolution
of 12 bits.
Mixed operation
Mixed operation (standard/XTR modules) within a node is possible when groups
of modules are electrically isolated on the field side (i.e., electrically isolated
power supply).
