Specific Conditions Of Use; Maintenance; Technical Specifications - Siemens SIMATIC ET 200SP HA Compact Operating Instructions

Ex-DQ 2x23.1VDC/20mA

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.
In general, pulling or plugging modules is not allowed in Zone 2. Before starting work,
make sure that there is no explosive atmosphere or that the power supply is switched
off.
For repairs, you must send the I/O module to the manufacturing location. The repair
may only be carried out there.
For use in the USA and Canada
The control drawing for the ET 200SP HA and the ET 200SP is supplied with the
respective power supply module.
The latest edition can also be found at
https://support.industry.siemens.com/cs/ww/com/
(https://support.industry.siemens.com/cs/ww/en/)

Technical specifications

Ex-DQ 2x23.1VDC/20mA
Supply voltage
Type of supply voltage
Input current
Current consumption (rated value)
Current consumption, max.
14
DC supply via Ex-PM-E
80 mA At 20 mA per channel
80 mA At 20 mA per channel
Ex-DQ 2x23.1VDC/20mA
A5E50377641-AC, 04/2024