The creepage distances and clearances meet the requirements of the over-
voltage category II, pollution degree 2.
Parameter Value
Temperature
Operating -40 °C...+70 °C
-40 °C...-30 °C: Proper start-up of system;
technical data not guaranteed
-40 °C...0 °C: Due to the LCD technology, the
display might respond very slowly.
-40 °C...+40 °C: Vertical mounting of modules
possible, output load limited to 50 % per group
+60 °C...+70 °C with the following deratings:
● System is limited to max. 2 communication
modules per terminal base
● Applications certified for cULus up to +60
°C
● Digital inputs: maximum number of simul-
taneously switched on input channels
limited to 75 % per group (e.g. 8 channels
=> 6 channels)
● Digital outputs: output current maximum
value (all channels together) limited to 75
% per group (e.g. 8 A => 6 A)
● Analog outputs only if configured as
voltage output: maximum total output
current per group is limited to 75 %
(e.g. 40 mA => 30 mA)
● Analog outputs only if configured
as current output: maximum number
of simultaneously used output chan-
nels limited to 75 % per group
(e.g. 4 channels => 3 channels)
Storage / Transport -40 °C...+85 °C
Humidity Operating / Storage: 100 % r. H. with conden-
sation
Air pressure Operating:
-1000 m....4000 m (1080 hPa...620 hPa)
> 2000 m (< 795 hPa):
● max. operating temperature must be
reduced by 10 K (e.g. 70 °C to 60°C)
● I/O module relay contacts must be oper-
ated with 24 V nominal only
Immunity to corrosive gases Operating: Yes, according to:
ISA S71.04.1985 Harsh group A, G3/GX
IEC 60721-3-3 3C2 / 3C3
Immunity to salt mist Operating: Yes, horizontal mounting only,
according to IEC 60068-2-52 severity level: 1
System assembly, construction and connection
AC500-XC > System data AC500-XC
2022/01/313ADR010278, 3, en_US1024
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