BR-Automation Automation PC 820, User Manual, Page: 188 / 252

188
Standards and certifications • Climate conditions
Automation PC 820 User's Manual V 1.00
6. Climate conditions
6.1 Worst case during operation
6.2 Dry heat
6.3 Dry cold
Temperature / humidity Test carried out according to Limits according to
Worst case operation UL 508 UL 508: Industrial control equipment
EN 61131-2: Programmable logic controllers
Dry heat EN 60068-2-2 EN 61131-2: Programmable logic controllers
Dry cold EN 60068-2-1 EN 61131-2: Programmable logic controllers
Large temperature fluctuations EN 60068-2-14 EN 61131-2: Programmable logic controllers
Temperature fluctuations in
operation EN 60068-2-14 EN 61131-2: Programmable logic controllers
Humid heat, cyclic EN 60068-2-30 EN 61131-2: Programmable logic controllers
Humid heat, constant (storage) EN 60068-2-3 EN 61131-2: Programmable logic controllers
Table 140: Overview of limits and testing guidelines for temperature and humidity
Test carried out
according to UL 508 Limits according to
UL 508
Limits according to
EN 61131-2
Worst case during operation.
Operation of the device with the
max. ambient temperature
specified in the data sheet at the
max. specified load 3 hours at max. ambient
temperature (min. +40°C)
Duration approx. 5 hours
3 hours at max. ambient
temperature (min. +40°C)
duration approx. 5 hours
Table 141: Test requirements - Worst case during operation
Test carried out according to
EN 60068-2-2 Limits according to
EN 61131-2
Dry heat 16 hours at +70°C for 1 cycle,
then 1 hour acclimatization and
function testing, duration
approximately 17 hours
Table 142: Test requirements - Dry heat
Test carried out according to
EN 60068-2-1 Limits according to
EN 61131-2
Dry cold 16 hours at -40°C for 1 cycle, then
1 hour acclimatization and
function testing, duration
approximately 17 hours
Table 143: Test requirements - Dry cold