HB700 | CPU | PMC921xEx | en | 24-04 85
Deployment CPU iC921xM-EC
4 Deployment CPU iC921xM-EC
4.1 Safety instructions
Deployment safety CPU ⮫
‘Deployment CPU iC921xM-FSoE’...page 108.
WARNING
Depending on the application, improper use of the CPU can pose serious
risks to the user
When handling the CPU, observe all safety instructions listed in this chapter.
NOTICE
Property damage due to incorrect use
The IP20 (IEC 60529/EN 60529) protection class of the CPU is intended for a
clean and dry environment.
− Do not subject the CPU to mechanical and/or thermal stress that exceeds
the limits described.
− Please note that you must install the CPU in a lockable housing or a
lockable control cabinet with at least protection class IP54 for proper
operation.
NOTICE
Electrostatic discharge
The CPU contains components that can be damaged or destroyed by electro-
static discharge.
− When handling the CPU, observe the necessary safety measures against
electrostatic discharge (ESD) in accordance with EN 61340-5-1 and IEC
61340-5-1.
NOTICE
Device failure due to foreign objects in the device
Foreign objects in the CPU may lead to malfunctions or even device failure.
− Make sure that no foreign objects get into the CPU (e.g. into the ventila-
tion openings).
NOTICE
Device failure due to operation outside the permissible ambient temperature
range
Operating the CPU outside the permissible ambient temperature range may
lead to malfunctions or even device failure.
− Make sure that the permissible ambient temperature of the CPU is
observed during operation of the CPU.
⮫
‘Approvals, directives, standards’...page 19
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