Richter SAFERUN - Manual (Page 7)

Series MNK, MNK-B, SAFERUN ® Pump condition monitoring system Page 7
9230-070-en Revision 01
TM 7691 Edition 11/2009
Even if all connection points of the system are
secured against exceeding the admissible
limit values, the connection cable should not
be screwed on or off during operation.
Optionally, the unit can also be positioned and in-
stalled somewhere else to satisfy the needs of the
customer (maximum cable length 5m).
In this case the SAFERUN
® is installed directly in the
plant on site. All even, readily visible surfaces which
permit assignment to the pump and the bolting of the
holding plate (see diagram: attachment distance a =
95 mm), are suitable as an installation base.
Fig. 6
5 Connecting to the power supply
5.1 Preparing the connection
Observe notes on safety!
Only connect in the de-energised state.
The national installation standards and regulations
(e.g. the VDE regulations in Germany) as well as the
applicable safety provisions and accident prevention
regulations are to be observed.
In potentially explosive areas the relevant
regulations, EC declarations of conformity and
EC type examination certificates for the
SAFERUN ® can unit (BVS 07 ATEX E 055 X) and the
SAFERUN ® transformer (BVS 07 ATEX E 054 X) are
to be observed and guaranteed.
The SAFERUN ® transformer may only be
connected to the original SAFERUN ® can
from Richter Chemie-Technik.
5.2 Power supply
The pump condition monitoring system SAFERUN ®
can be used in 2 versions:
SAFERUN ® used in a non-potentially explosive
area (see Section 5.2.1).
SAFERUN
® used in a potentially explosive area
(see Section 5.2.2).
5.2.1 Non-potentially explosive area
In a non-potentially explosive area the SAFERUN ®
can be optionally supplied from an external power
source (DC 16V …32V) or a certified supply isolator
(3-wire circuit) with intrinsically safe circuits.
Caution: If the SAFERUN
® is supplied once only
briefly with a non-intrinsically safe power source, the
safety-relevant markings and the explosion protection
on the name plate are to be made illegible.
Subsequent operation of the SAFERUN ® in a poten-
tially explosive area is no longer permitted for safety
reasons relating to the explosion-relevant components
which guarantee the explosion protection in the explo-
sion i-circuits.
5.2.2 Potentially explosive area
For the intrinsically safe supply of the SAFE-
RUN
® transformer, appropriate certified elec-
trical equipment (3-wire circuit) must be used
in the ignition protection class "Intrinsically safe", e.g.:
Type : KFD2-STC4-Ex1 (BAS 99 ATEX 7960)
Pepperl+Fuchs or
Type: 9160-11-11 (DMT 03 ATEX E 010 X)
Stahl or
Type: ST500 Ex (TÜV 97 ATEX 1150)
Martens
With the use of this appropriate certified explosion-
protected equipment, the safe electrical isolation of
the intrinsically safe supply or feed and signal circuit
from the non-intrinsically safe circuits (e.g. mains cur-
rent and output circuit) to DIN VDE 0106 part 101 and
the observance of protection class II are guaranteed.
The outside diameters of the connection cables are to
be selected so that they are 6 mm to 9 mm in order to
ensure a sealing effect of the cable fitting, e.g. IP65
(EN 60529).
For the intrinsically safe power supply of the
SAFERUN
® it is recommended to use a shielded in-
stallation cable. The cable shield may be laid, depend-
ing on the shield concept of the operator, on one side
or both sides either to the ground potential or to termi-
nal 9 "Shield".