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Instruction Manual
Marking
K-System, Isolated barriers
Device identification
Model number
ATEX approval
Group, category, type of protection, temperature classification
table 1
The exact designation of the device can be found on the name plate on
the device side.
Pepperl+Fuchs GmbH
Lilienthalstrasse 200, 68307 Mannheim, Germany
table 2
Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation,
maintenance, and dismounting lies with the plant operator.
Mounting, installation, commissioning, operation, maintenance and
dismounting of the device may only be carried out by appropriate trained
and qualified personnel. The instruction manual must be read and
understood.
Prior to using the device you should make yourself familiar with the device
and carefully read the instruction manual.
Reference to Further Documentation
Observe laws, standards, and directives applicable to the intended use
and the operating location.
The corresponding datasheets, declarations of conformity, EC-type-
examination certificates, certificates and control drawings if applicable
supplement this document. You can find this information under
www.pepperl-fuchs.com.
Intended Use
The device is only approved for appropriate and intended use. Ignoring
these instructions will void any warranty and absolve the manufacturer
from any liability.
The device is used in control and instrumentation technology
(C&I technology) for the galvanic isolation of signals such as 20 mA and
10 V standard signals or alternatively for adapting or standardizing signals.
The device has intrinsically safe circuits that are used for operating
intrinsically safe field devices in hazardous areas.
Use the device only within the specified ambient conditions.
The device is designed for mounting on a 35 mm DIN mounting rail
according to EN 60715.
Only use the device stationary.
The device is an associated apparatus according to IEC/EN 60079-11.
Improper Use
Protection of the personnel and the plant is not ensured if the device is not
being used according to its intended use.
The device is not suitable for isolating signals in power installations unless
this is noted separately in the corresponding datasheet.
Mounting and Installation
Do not mount a damaged or polluted device.
Mount the device in a way that the device is protected against mechanical
hazard. Mount the device in a surrounding enclosure for example.
The device must be installed outside of the hazardous area.
The device fulfills a degree of protection IP20 according to IEC/EN 60529.
The device must be installed and operated only in an environment that
ensures a pollution degree 2 (or better) according to IEC/EN 60664-1.
If used in areas with higher pollution degree, the device needs to be
protected accordingly.
All circuits connected to the device must comply with the overvoltage
category II (or better) according to IEC/EN 60664-1.
Only use power supplies that provide protection against electric shock
(e. g. SELV or PELV) for the connection to power feed modules.
Observe the installation instructions according to IEC/EN 60079-14.
Requirements for Cables and Connection Lines
Observe the following points when installing cables and connection lines:
Observe the permissible core cross-section of the conductor.
If you use stranded conductors, crimp wire end ferrules on the conductor
ends.
Use only one conductor per terminal.
When installing the conductors the insulation must reach up to the
terminal.
Observe the tightening torque of the terminal screws.
If the rated voltage is greater than 50 V AC, proceed as follows:
1. Switch off the voltage.
2. Connect the terminal blocks or disconnect the terminal blocks.
Requirements for Usage as Associated Apparatus
If circuits with type of protection Ex i are operated with non-intrinsically
safe circuits, they must no longer be used as circuits with type of
protection Ex i.
Intrinsically safe circuits of associated apparatus can be led into
hazardous areas. Observe the compliance of the separation distances to
all non-intrinsically safe circuits according to IEC/EN 60079-14.
Observe the compliance of the separation distances between two
adjacent intrinsically safe circuits according to IEC/EN 60079-14.
Observe the maximum values of the device, when connecting the device
to intrinsically safe apparatus.
When connecting intrinsically safe devices with intrinsically safe circuits of
associated apparatus, observe the maximum peak values with regard to
DOCT-4693 / 2015-06
explosion protection (verification of intrinsic safety). Observe the
standards IEC/EN 60079-14 or IEC/EN 60079-25.
If no L
and C
values are specified for the simultaneous appearance of
o
o
lumped inductances and capacitances, the following rule applies.
l The specified value for L
tions applies:
l The circuit has distributed inductances and capacitances only, e. g., in
cables and connection lines.
l The total value of L
(excluding cable) of the circuit is < 1 % of the spe-
i
cified L
value.
l The total value of C
o
(excluding cable) of the circuit is < 1 % of the spe-
i
cified C
value.
l A maximum of 50 % of the specified value for L
o
lowing condition applies:
The total value of L
(excluding cable) of the circuit is ≥ 1 % of the spe-
i
cified L
value.
o
The total value of C
(excluding cable) of the circuit is ≥ 1 % of the spe-
i
cified C
value.
o
The reduced capacitance for gas groups I, IIA and IIB must not exceed
the value of 1 µF (including cable).
The reduced capacitance for gas group IIC must not exceed the value
of 600 nF (including cable).
If more channels of one device are connected in parallel, ensure the
parallel connection is made directly at the terminals of the device. When
verifying the intrinsic safety, observe the maximum values for the parallel
connection.
Operation, Maintenance, Repair
The devices must not be repaired, changed or manipulated. If there is a
defect, the product must always be replaced with an original device.
If the rated voltage is greater than 50 V AC, proceed as follows:
1. Switch off the voltage.
2. Connect the terminal blocks or disconnect the terminal blocks.
Delivery, Transport, Disposal
Check the packaging and contents for damage.
Check if you have received every item and if the items received are the
ones you ordered.
Always store and transport the device in the original packaging.
Store the device in a clean and dry environment. The permitted ambient
conditions (see datasheet) must be considered.
Disposing of device, packaging, and possibly contained batteries must be
in compliance with the applicable laws and guidelines of the respective
country.
1 / 1
and C
is used if one of the following condi-
o
o
and C
is used if the fol-
o
o
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