Siemens SIMATIC ET 200SP HA Instrucciones De Servicio Resumidas página 13

• Permissible output current of the Ex power module > ∑ I
of the respective potential group
Commissioning
• You must observe the national regulations during commissioning.
• You must observe the guidelines according to DIN EN IEC 60079-17 for functional
checks.
Derating
The table shows the maximum permissible output current for the Ex-Power Module
depending on the installation position and the ambient temperature.
Mounting position
Horizontal installation
Vertical installation
Specific conditions of use
CAUTION
Specific conditions of use
1. This equipment shall be installed in an enclosure with an ingress protection of at
least IP54 in accordance with EN 60079-0 and EN 60529. The installation shall also
ensure Pollution Degree 2 (as defined in EN 60664-1) inside the enclosure. All
circuits shall be limited to Overvoltage category I or II. These requirements apply
even when installed in a non-hazardous area.
2. The earth connection of the mounting rail shall be connected to the local potential
equalization system per applicable installation standard.
3. Transient protection shall be provided that is set at a level not exceeding 140 % of
the peak rated voltage value at all supply terminals to the equipment, or at most
set at 119 V.
Maintenance
The Ex-I/O modules are maintenance-free.
Ex-AI 2xI 2-wire HART
A5E50377471-AB, 03/2023
Ambient temperature
From -40 °C to 60 °C
From -40 °C to 70 °C
From -40 °C to 50 °C
From -40 °C to 60 °C
Ex-AI 2xI 2-wire HART
of all I/O modules
max
Output current
0.8 A
0.6 A
0.8 A
0.6 A
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