Connect Devices; Data Contacts/Internal Bus; Figure 9: Data Contacts - WAGO 750-626/040-000 Manual

32

Connect Devices

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6 Connect Devices
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Only connect or disconnect lines when power is safely isolated!
The lines to the device can carry hazardous voltages and currents. Contact with
the lines when live can result in severe injury or death. Therefore, read and
observe the following safety rules before you perform work on the device:
1. Disconnect the respective system component from the power supply.
2. Secure the system component against unintentional restart.
3. Check if the voltage is positively isolated.
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6.1

Data Contacts/Internal Bus

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Communication between the fieldbus coupler/controller and the I/O modules as
well as the system supply of the I/O modules is carried out via the internal bus. It
is comprised of 6 data contacts, which are available as self-cleaning gold spring
contacts.

Figure 9: Data Contacts

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Do not place the I/O modules on the gold spring contacts!
Do not place the I/O modules on the gold spring contacts in order to avoid soiling
or scratching!
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Ensure that the environment is well grounded!
The devices are equipped with electronic components that may be destroyed by
electrostatic discharge. When handling the devices, ensure that the environment
(persons, workplace and packing) is well grounded. Avoid touching conductive
components, e.g. data contacts.
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WAGO-I/O-SYSTEM 750 XTR
750-xxxx/0040-xxxx Design Notes /XTR
Manual
Version 1.2.0