SAFETY INSTRUCTIONS
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Manual ISS 900 · EN02 · 2016-01
6
Safety instructions
The ISS 900 power supply unit is used to power the EC 912 in an intrinsically safe way.
The ISS 900 complies with the currently available standards and regulations. However, failure to
operate it properly may cause hazards.
Persons who install or operate the EC 912 PTZ corrector in areas subject to explosion hazards must
be familiar with the currently applicable explosion protection standards and regulations.
Please follow the instructions below:
Danger of explosion
In the manual, this symbol warns you of an explosion hazard. Please follow the
instructions given next to this symbol. As to the danger of explosion, please note the
following in particular:
The device for Ex zone 1 is intrinsically safe and may only be connected to certified
intrinsically safe circuits.
The approval of the device for use in areas subject to explosion hazards will expire if
the device is changed impermissibly.
Communication between the EC 912 and the ISS 900 is permissible only via the
RS 422 interface.
Damage to property
In the manual, this symbol warns you of possible damage to property. The instructions
given next to this symbol inform you about what you can do to avoid damage to the
EC 912 PTZ corrector.
It is essential to observe the warning information in these operating instructions and the generally
applicable safety rules.
No warranty claims can be asserted if there is unauthorized interference with the device!
