Operating Instructions KBDi Keyboards Safety information
Page 8 of 16 R. STAHL HMI Systems GmbH / OI_KBD_USB_en_V_01_00_02.doc / 24.08.2018
8 Safety information
8.1 General Safety Information
All relevant accident prevention regulations and the rules for electric installations have to
be observed during installation, maintenace and operations. All persons involved in
installation, commission, maintenance and repairs of this device and its accessories must
be qualified accordingly and must have familiarised themselves with this manual and any
associated documentation.
National safety and accident prevention rules apply.
Use the device for its intended purpose only.
No changes to the device are permitted. The enclosure may only be opened by R. STAHL
HMI Systems GmbH.
The first four digits of the serial number on the type plate stand for the year of
manufacture.
8.2 Cautionary note
This is an EN 55022 Class A product.
In a domestic environment this product may cause radio interference
in which case the user may be required to take adequate measures.
8.3 Installation safety information
The national assembly and installation rules and the generally accepted technical rules
must be observed. The device and its accessories must be connected and operated
according to applicable standards, directives and installation guidelines. Only qualified
personnel or personnel that has been instructed accordingly are allowed to install the
device.
Only appropriate tools must be used for the installation.
The keyboards must be earthed via the bolt at the back of the device.
We recommend you use screened cables with the keyboards. Routing of the cable may
reduce performance.
Before operating the keyboard you must ensure that it has been installed according to
regulations and that its cables are undamaged.
8.4 Safety information for operation
Operate the keyboard only if it is clean and undamaged. If the keyboard is in any way
damaged, do not touch it to avoid injury. In the case of any damage that may compromise
ingress protection (e.g. cracks, holes or broken components) the keyboard must be taken
out of commission immediately. Before the device is recommissioned the damaged
components must be replaced.
8.5 Special conditions
Equipotential bonding must be established for the external circuits of the accessories to be
connected, e.g. display, keyboard or pointer device.
