Housing Design Of The Keyboard - Pepperl+Fuchs EXTA3 Series Manual

EXTA3* Keyboard
Installation and Commissioning
1.The shielding of the keyboard cable must be connected to the cable gland of the PC or the
display unit (VisuNet) (see VisuNet manual). To do so, open the cable clamp (1) and remove
the flexible cable conduit (2).
Open cable end of the keyboard
Figure 3.1(1) Cable clamp, (2) Flexible cable conduit
2.Install the keyboard in a metal housing that is connected to the PE.
3.2

Housing Design of the Keyboard

Keyboard—Housing
There are various options are for mounting the keyboards available.
1. Panel mounting (housing version -N)
2. Mounting the keyboard in a desktop housing (housing version -T)
3. Wall mounting (housing version -F)
This keyboard can be mounted using various mounting options
Keyboard for Panel Mounting (Housing Version -N3)
Note
When installed in North America, the EXTA3-D2-N3-K* variant is only suitable for use in the
following areas:
• Class I, Division 2; Groups A, B, C, D: T5
• Class I, Zone 2; Group IIC; T5
The EXTA3-D4-N3-K* variant is only suitable for use in the following areas:
• Class I, Division 2; Groups A, B, C, D: T5
• Class II, Division 2; Groups F, G; T5
• Class III
• Class I, Zone 2; Group IIC; T5
• Class II, Zone 22; Group IIIB
• Class III, Zone 22; Group IIIA
Danger!
Explosion hazard
Do not replace any components. Replacing a component may affect its suitability for Class I,
Division 2 and Class II, Division 2. The devices must be installed in a suitable housing.
Caution!
Maximum ambient temperature
The devices are suitable for a maximum ambient temperature of -20 °C to 50 °C. The EXTA3-
D2-**-K8 variant is only suitable for an ambient temperature of 0 °C to 50 °C.
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