Safety
Operating Instructions KB2 Keyboards
R. STAHL HMI Systems GmbH / OI_Keyboard_KB2_en_V_01_00_02.docx / 07.03.2022
Page 11 of 68
3
Safety
The devices have been manufactured according to the state of the art of technology while
observing recognised safety-related rules. When using the devices, it is nevertheless possible for
hazards to occur to life and limb of the user or third parties or for the devices, environment or
material assets to be compromised.
Only use the devices under the following conditions:
If they are not damaged
As intended, while remaining aware of safety and hazards
In accordance with these Operating Instructions
3.1
Intended use
The type KB2 device versions are used to enter data, commands etc. on PCs and similar devices
in hazardous areas.
They are explosion-protected equipment for use and installation in hazardous areas of Zones 1,
2, 21 and 22. They must be connected to intrinsically safe USB interfaces. Power supply and data
communication takes place only via this USB interface.
The KB2 and PD2 device versions are connected via the cables provided.
Various keyboard versions are available that differ in their layout (German, English, French etc.)
and in their design (PC keyboard with trackball, touchpad or with joystick).
The KB2 devices are available in the following versions:
KB2 Keyboards
PD2 Pointing device
The KB2 and PD2 device versions are installed in a type HSG enclosure, which then represents
the assembly of the complete system.
In addition to KB2 and PD2 devices, the UB03-* device can also be installed in this enclosure.
3.2
Predictable improper use
The device may only be installed and connected by specifically trained personnel.
3.3
Personnel qualification
Qualified specialist personnel is required to perform the activities described in these Operating
Instructions. This primarily applies to work in the following areas:
Product selection and project engineering
Mounting / dismounting the device
Installation
Commissioning
Maintenance, cleaning
Specialists who perform these tasks must have a level of knowledge that meets applicable
national or equivalent country-specific standards and regulations. Additional knowledge is
required for any activity in hazardous areas !