45
I
NSTALLATION
3.NON-HAZARDOUS AREA EQUIPMENT SHALL COMPRISE
A) PEPPER &FUCHS KFD2-STC4-Ex1
B) MTL 5042
ONE OFTHEFOLLOWINGDUAL CHANNEL BARRIERS:
7. SYSTEM LABEL TOBE AFFIXEDATTHEINTERFACE OF' 'OR 'NON- '
CIRCUITSORADJACEN T TOTHE PRINCIPA
L APPARATUS.
IS
IS
4. THE INSTALLATION MUST COMPLY WITH THE NATIONALINSTALLATION
REQUIREMENTS & STANDARDS (E.G.INTHEUK,BSEN 60079 -14:1997).
'IS'
6. CABLE SCREENSARETOBEEARTHEDAT ONE ENDONLY.
5.IFTWO OR MORE SEPARATE CIRCUITSARETOBEKEPT SEPARATE
WITHIN AMULTICORE ,THEN TYPE AORBCABLESMUST BE USED, OR
SEPARATE CABLES TOBE USED.
2. CONSULT MANUALFOR ENTITY PARAMETERS OFTRANSMITTER.
1.THEELECTRI
CAL CIRCUIT IN THE HAZARDOUS AREAMUST BE CAPABLE OF
WITHSTANDINGAN AC TEST VOLTAGE OF 500 VOLTSR.M.S.TO EARTH OR
FRAME OFTHEAPPARATUS FOR ONE MINUTE.
NOTES:
NON-HAZARDOUS AREA
APARATUS UNSPECIFIED
EXCEPTTHATITMUSTNOT
BE SUPPLIED FROM NOR
CONTAIN UNDER NORMAL
OR ABNORMAL CONDITIONS
ASOURCE OF POTENTIAL
WITH RESPECTTO EARTH IN
EXCESS OF 250 VOLTSRMS
OR 250 VOLTSDC
CONTROLINSTRUMENTATION
OPERATINGAT OR LESS THAN
250 V RMS 250 VDC
DUAL
CHANNEL
BARRIER
DUAL
CHANNEL
BARRIER
INPUT-
CAL+
CAL-
INPUT+
HAZARDOUS AREA
NON-HAZARDOUS AREA
PTBCERTNO.
PTB04 ATEX2045X
MODELS:
SPX2241, SPX2242, SPX2243,
SPX2244, SPX2280, SPX2281,
SPX2290, SPX2291, SPX2292,
SPX4222, SPX4232, SPX4352,
SPX4502, SPX4622, SPX4672
PRESSURETRANSMITTER
DYNISCO 4-20 mA 2-WIRE
GALVANIC
ZENER
A) PEPPER &FUCHSZ787
B) MTL 7787
{
{
Fig. 5.8Fig. 5.8
Fig. 5.8Fig. 5.8
Fig. 5.8
Electrical Configuration for Hazardous AreasElectrical Configuration for Hazardous Areas
Electrical Configuration for Hazardous AreasElectrical Configuration for Hazardous Areas
Electrical Configuration for Hazardous Areas
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