4. Safety Instructions
4.
Safety Instructions
Please read this section carefully and observe the instructions for your own safety and correct use of the device.
The chapter also contains information on approval and interference suppression of your device.
Observe the warnings and instructions on the device and in the manual.
The M@CII system has been built and tested by Kontron Embedded Computers in accordance to
IEC/EN/UL/CSA 60950 and left the company in a perfectly safe condition.
In order to maintain this condition and ensure safe operation, the user must observe the instructions and warnings
contained in this manual.
❏
The device must be used in accordance with the instructions for use.
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The electrical installations in the room must correspond to the requirements of the local (country-specific) regulations.
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Take care that there are no cables, particularly power cables, in areas where persons can trip over them.
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Do not use a power cable in sockets shared by a number of other power consumers. Do not use an extension cable.
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Only use the power cord supplied. Don’t use injured or damaged power cords.
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Hints for DC power connection:
The DC power source should be able to be switched off and on via an isolating switch.
The unit is only completely disconnected from the DC main power source, when the DC power cord is disconnected
either from the power source or the unit. Therefore, the DC power cord and its connectors must always remain easily
accessible.
❏
Hints for AC power connection via external AC/DC adapter:
The main power cable of the optional external AC/DC adapter serves as disconnecting device. For this reason the
outlet of the AC power source must be located near to the device and be easily accessible.
❏
Do not place the device in direct sunlight, near heat sources or in a damp place. Make sure the device has adequate
ventilation.
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Only devices and components which fulfill the requirements of an SELV circuit (safety extra low voltage) in
accordance with EN60950 may be connected to the interfaces of the system.
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All plugs on the connection cables must be screwed or locked to the housing.
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The M@C II system is designed to be used only in vertical position with the interfaces downwards.
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The device generates heat during operation. Make sure it is adequately ventilated. Do not cover the air intake and
exhaust openings of the device.
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Repairs may only be carried out by qualified specialist personnel authorized by Kontron Embedded Computers.
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Maintenance or repair on the open device may only be carried out by qualified personnel authorized by Kontron
Embedded Computers which is aware of with the associated dangers.
❏
The M@C II system may only be opened in accordance with the description in this user’s manual for:
•
Replacing of the Lithium battery
•
Configuration of the RS422/RS485 interface.
These procedures have to be carried-out only by qualified specialist personnel.
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When accessing internal components the device must be switched off and disconnected from the power source.
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Only approved original accessories (optional parts) approved by Kontron Embedded Computers may be used.
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The DC-input must fulfill SELV requirements of EN60950-1 standard.
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The chassis of the M@C II system must be protective earthed by establishing a large-area contact between the
earth screw (at the rear bottom side) and an appropriate grounding connection point.
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It must be assumed that safe operation is no longer possible,
•
if the device has visible damage or
•
if the device no longer functions.
In these cases the device must be shut down and secured against unintentional operation.
6
M@CII 70/104/121/150 - User’s Manual (V1.00)
