1.2.2.2 Operating conditions
The components of the SINUMERIK 840D sl system are intended for a weatherproof, fixed
location. The documented
environmental conditions apply to the climate in the immediate vicinity of the units and to the
entry of the cooling air. They exceed the requirements according to EN 60204-1, EN 61800-2,
EN 61131-2 and IEC 62477-1.
NOTICE
Damage to components by coolants and lubricants
The SINUMERIK operator components have been designed for industrial use, particularly on
machine tools and production machines. This also takes into account the use of commercially
available coolants and lubricants. The use of aggressive compounds and additives can
damage components and result in their failure.
Contact between the operator components and coolants and lubricants should be avoided
as far as possible, as resistance to all coolants and lubricants cannot be guaranteed.
Table 1-3 Ambient conditions for operation
Environmental conditions Application areas Remarks
Climatic environmental conditions
Climate class Better than class 3K3 According to EN 60721‑3-3
Permissible ambient tempera‐
ture when installed vertically
0 ... 45 °C (32 ... 113
°F), up to 2000 m
(6562 ft) above sea
level
Except PCU50.5;
front-side for OP, MCP/MPP and CNC
standard keyboards KB.
0 ... 55 °C (32 ... 131
°F), up to 2000 m
(6562 ft) above sea
level
All, rear-side for OP, MCP/MPP and CNC
standard keyboards KB.
5 ... 55 °C (41 ... 131
°F), up to 2000 m
(6562 ft) above sea
level
For PCU50.5
Above an altitude of 2000 m (6562 ft), the max. ambient temperature
decreases by 7 °C (44.6 °F) for every 1000 m (3281 ft) increase in
altitude
Relative humidity (without con‐
densation)
5% to 95% (60% when corrosive gases and/or dusts are present)
Condensation, formation of ice Not permissible
Dripping water, spray, splash
water, jet-water according to de‐
gree of protection
Not permissible All components, except ...
Permissible For handheld units, front side of operator
and machine control panels (MCP and
MPP), front side of the keyboards KB 310
and KB 483C
Max. installation altitude Up to 4000 m (13123 ft) above sea level
Air pressure 620 hPa ... 1060 hPa According to altitude range 0 m to 4000 m
(0 ft to 13123 ft) above sea level
General information and networking
1.2 Application planning
Operator panel front: OP 012
16 Manual, 09/2016, A5E36371591B
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