Quick Start Guide
Quick Start Guide
D103203X012
DVC2000 Digital Valve Controller
April 2014
37
Figure 29. ATEX Installation Drawing
GE14685‐C
INSTALLATION MUST BE IN ACCORDANCE WITH THE NATIONAL WIRING PRACTICES OF
THE COUNTRY IN USE.
BARRIERS MUST BE CONNECTED PER MANUFACTURER'S INSTALLATION INSTRUCTIONS.
INTRINSICALLY SAFE APPARATUS MAY BE CONNECTED TO ASSOCIATED APPARATUS NOT
SPECIFICALLY EXAMINED IN SUCH COMBINATION. THE CRITERIA FOR INTERCONNECTION
IS THAT THE VOLTAGE (Ui) AND THE CURRENT (Ii) OF THE INTRINSICALLY SAFE APPARATUS
MUST BE EQUAL TO OR GREATER THAN THE VOLTAGE (Uo) AND CURRENT (Io) DEFINED BY
THE ASSOCIATED APPARATUS. IN ADDITION, THE SUM OF THE MAXIMUM
UNPROTECTED CAPACITANCE (Ci) AND INDUCTANCE (Li) OF EACH INTRINSICALLY
SAFE APPARATUS, AND THE INTERCONNECTING WIRING, MUST BE LESS THAN
THE ALLOWABLE CAPACITANCE (Co) AND INDUCTANCE (Lo) DEFINED BY THE
ASSOCIATED APPARATUS. IF THESE CRITERIA ARE MET, THEN THE
COMBINATION MAY BE CONNECTED.
FORMULASUi > Uo
Ii > Io
Ci + Ccable < Co
Li + Lcable < Lo
Pi > Po
ENTITY PARAMETERS FOR EACH I.S. CIRCUIT ARE AS FOLLOWS:
WHERE MULTIPLE IS CIRCUITS ARE USED:
EACH I.S. CIRCUIT MUST BE SHIELDED TWISTED PAIR CABLE.
I.S. CIRCUITS MUST ENTER ENCLOSURE VIA CONDUIT ENTRIES
AS SPECIFIED IN DETAIL 1.
CABLE INSULATION AND SHIELD MUST EXTEND TO WITHIN PARTITIONED
AREA (SEE DETAIL 1).
XMTR, LS1, AND LS2 CIRCUITS ARE OPTIONAL.
RESISTANCE BETWEEN BARRIER GROUND AND EARTH GROUND MUST BE LESS THAN ONE
OHM.
IF HAND‐HELD COMMUNICATOR OR MULTIPLEXOR IS USED, IT MUST BE APPROVED
WITH ENTITY PARAMETERS AND INSTALLED PER THE MANUFACTURER'S CONTROL
DRAWING.
HAZARDOUS LOCATION NON‐HAZARDOUS LOCATION
ZONE 0, GROUP IIC
DVC2000
XMTR
MAIN
LS1
LS2
I.S. APPROVED
BARRIER
XMTR
MAIN
LS1
LS2
PARTITIONED AREA
DETAIL 1
CIRCUIT
XMTR
MAIN
LS1
LS2
IMAX(Ii)
100mA
130mA
76mA
76mA
VMax (Ui)
28Vdc
30Vdc
16Vdc
16Vdc
Li
0 mH
0.55 mH
0 mH
0 mH
PMAX
1W
1W
1W
1W
Ci
5nF
10.5nF
5nF
5nF
I.S. APPROVED
BARRIER
I.S. APPROVED
BARRIER
I.S. APPROVED
BARRIER
THE APPARATUS ENCLOSURE CONTAINS ALUMINUM
AND IS CONSIDERED TO CONSTITUTE A POTENTIAL
RISK OF IGNTION BY IMPACT OR FRICTION. CARE
MUST BE TAKEN DURING INSTALLATION AND USE TO
PREVENT IMPACT OR FRICTION.
WARNING