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Compact Fieldbus Power Hub,Generic Interface
Installation and Commissioning
Dismounting Modules from the Motherboard
To dismount a module from the motherboard, proceed as follows:
Pull up the red Quick Lok Bars on each side of the module and carefully lift off the entire
module.
The module has been removed from the motherboard.
3.2
Shielding and Grounding
Prevent Grounding Loops
Depending on the chosen grounding method, you can leave the shield earthing at the host
connecton open.
If the grounding points of the host and the field devices do not have the same potential, the
shield of the motherboard must be left open to prevent a grounding loop.
3.3
Connection Layout
The following section describes the different connection details of the motherboard with
particular reference to the torques required for a safe installation.
For any terminal connections, observe the following cable and connection information.
Cable and Connection Information
■
Permissible cross core section: 0.2-2.5 mm
²
■
Insulation stripping length: 7 mm
■
If stranded conductors are used: Protect strand ends with end splices.
■
Ensure that connectors are mechanically locked.
■
Torque required for tightening terminal screws: 0.4-0.5 Nm
–
+
Caution!
This is not a safety earth.
Under certain conditions, it may be necessary to ground any exposed metal parts to ground.
Note that a correct grounding must be guaranteed at all times.
Tip
Doublecheck that the correct torques are used when un- and reinstalling the terminal during
wiring activities!
