Yokogawa EJA115 - Manual (Page 3)

Power Supply
(Zone 2 only)
Transmitter
Supply
Nonhazardous Location
[Installation Diagram]
Hazardous Location
+
–
+
–
F0209.EPS
Ratings of the Power Supply as follows;
Maximum Voltage: 30 V
᭹
CENELEC ATEX Type of Protection “Dust”
[When combined with II 2G]
Follow the installation instructions described in 'b.
CENELEC ATEX Flameproof Type.'
• Applicable Standard: EN61241-0:2006, EN61241-
1:2004
• Type of Protection and Marking Code: II 2D Ex tD
A21 IP6X
• Maximum Surface Temperature:
T85
°
C (Tamb.: –40* to 75
°
C, Tp:85
°
C), T100
°
C
(Tamb.: –40* to 80
°
C, Tp:100
°
C), and T120
°
C
(Tamb.: –40* to 75
°
C, Tp:120
°
C)
*–15
°
C when /HE is specified.
Note 1. Installation instructions
The cable entry devices and blanking elements
shall be of a certificated type providing a level
of ingress protection of at least IP6X, suitable
for the conditions of use and correctly installed.
[When combined with II 1G]
Follow the installation instructions described in 'a.
CENELEC ATEX Intrinsically Safe Type.'
• Applicable Standard: EN50281-1-1:1997
• Type of Protection and Marking Code: II 1D
• Maximum Surface Temperature:
T65
°
C (Tamb.: 40
°
C), T85
°
C (Tamb.: 60
°
C), and
T105
°
C (Tamb.: 80
°
C)
Note 1. Installation instructions
The cable entry devices and blanking elements
shall be of a certificated type providing a level
of ingress protection of at least IP6X, suitable
for the conditions of use and correctly installed.
WARNING
• OPEN CIRCUIT BEFORE REMOVING
COVER. INSTALL IN ACCORDANCE WITH
THIS USER’S MANUAL
• Take care not to generate mechanical sparking
when access to the instrument and peripheral
devices in hazardous locations.
( III )
᭹ Tag plate for flameproof type
᭹ Tag plate for flameproof, intrinsically safe type,
type n protection, and Dust
F0298.EPS
D T65 Њ C (Tamb.: 40 Њ C), T85 Њ C (Tamb.: 60 Њ C),and T105 Њ C (Tamb.: 80 Њ C)
AFTER DE-ENERGIZING, DELAY 10 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP. Ն 70 Њ C, USE THE HEAT-RESISTING
CABLES Ն 90 Њ C. SEE USER'S MANUAL BEFORE USE.
SEE USER'S
MANUAL Tamb. Ϫ 40( Ϫ 15) TO 60 Њ C
TEMP.CLASS/MAX SURFACE TEMP. T6/T85 Њ C T5/T100 Њ C T4/T120 Њ C
CAUTION
D
, Ex tD A21 IP6X T85 Њ C,T100 Њ C,T120 Њ C
ENCLOSURE:IP67 Tamb. Ϫ 40( Ϫ 15) TO
KU21
Tamb. Ϫ 40( Ϫ 15) TO 75 Њ C(T6 and T4)
AFTER DE-ENERGIZING, DELAY 10 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP.
Ն 70 Њ C, USE THE HEAT-RESISTING
CABLES Ն 90 Њ C. SEE USER'S MANUAL BEFORE USE.
Ϫ 40( Ϫ 15) TO 80 Њ C(T5)
CAUTION KF21