Super Systems 9130 Series - Manual (Page 5)

Series 9130 Operations Manual Rev - 4
Installation Safety Requirements
Safety Symbols
Various symbols are used on the instrument; they have the following meaning:
Caution, (refer to the accompanying documents)
Functional earth (ground) terminal!
The functional earth connection is required for safety purposes and to ground RFI
filters.
Personnel
Installation must only be carried out by technically qualified personnel.
Enclosure of live parts
To prevent hands or metal tools from touching parts that may be electrically live (powered), the
controller must be installed in an enclosure.
Caution: Live sensors
Do not connect live (powered) sensors to any signal input on the controller. Live
sensors are sensors that must be connected to the main's supply. The controller has
transient protection circuits connected between the inputs and the earth connection
that might be damaged by live (powered) sensors.
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