Number
of
channels:
1
Supply
voltage:
20~35V DC
Current
consumption:
40mA (at
24Vdc
supply
,
20mA output)
Safe-area signal:
Current output: 0/4~20mA; Load resistance: R
≤
300
Ω
Voltage output: 0/1~5V; Load resistance: R
L
≥
20k
Ω
(Note:
Current output: load resistance: R
L
≤
550
Ω
, current
consumption
≤
55mA need to be customized.
Hazardous
-
area
signal:
“Input signal and range list”
Note:
1.”%” of output accuracy is relative to the setting range, should take a
bigger of relative error and absolute error as the output accuracy in application.
2. RTD input, allow max wire resistance 50
Ω(
3-wire
);
3. TC input, transfer accuracy not contain cold junction compensation
error;Every increase in compensation wire 100
Ω
, cold end error increases 0.2
℃;
4. TC type B input, the lower limits of temperature range must be greater
than 680
℃
, to meet the accuracy specifications.
Alarm directions:
Lower than range, LED L falshing, output current
≈
3
.
8
mA;
Higher than range, LED H falshing, output current
≈
20
.
8
mA;
Breakage, LED L and H falshing at the same time, output current
≈
20
.
8
mA;
Short circuit, LED L and H falshing at the same time, output current
≈
3
mA;
(Notes: breakage alarm current
＜
4mA or other special requirements, be
customized)
Temperature drift:
0.01%F.S./
℃
Cold junction compensation:
±
1
℃
(Compensation range: -20
℃
~+60
℃
)
Response time:
Reach
90%
of
final
value
in
1s
Power
supply
protection:
Protect
the
barrier
from
reverse
supply
voltage
destroy
Electromagnetic compatibility:
According
to IEC 61326-1
(
GB/T 18268)
Dielectric strength:
Between non
-
intrinsically
safe
part
and
intrinsically
safe
part
≥
2500VAC
Between
power
supply
part
and
non
-
intrinsically
safe
part
≥
500VAC
Insulation resistance:
Between non
-
intrinsically safe
part and intrinsically safe
part
≥
100M
Ω
Between
power
supply
part
and
non
-
intrinsically
safe
part
≥
100M
Ω
Weight:
Approx
.
150g
Suitable
location:
Suitable
IS
apparatus:
2-/3-wire thermal resistance, thermal couple, potentiometer
≤
L
Mounting
in
safe
area, be connected with IS apparatus in
Zone 0/1/2,
Ⅱ
C
、
Ⅱ
B
、
Ⅱ
A, T4~T6 hazardous area.
DNV11
ATEX
08694X
II(1)G[Ex ia Ga]
Ⅱ
C
-
20
℃≤
Ta
≤+
60
℃
National
Supervision
and
Inspection
Center
for
Explosion
Protection
and
Safety
of
Instrumentation
(
NEPSI
)
Compliancy
with
standard
:
IEC60079-0(EN60079-0)
IEC60079-11(EN60079-11)
IEC60079-26(EN60079-26)
Ex
-
marking:
[
Ex
ia Ga
] Ⅱ
C
maximum
voltage:
Um=250V
Intrinsic
safety
parameter
:(
7
,
8
,
9,10terminals
)
Uo=8.5V, Io=20mA,
Po=43mW
Ⅱ
C
：
Co=6.5
μ
F , Lo=3.6mH
Ⅱ
B
：
Co
=
60
μ
F , Lo
=
10.8mH
Ⅱ
A
：
Co
=
1000
μ
F
,
Lo
=
28.8mH
(
1
)
For
distributed
inductance
and
capacitance
e
.
g
.
as
in
a
cable
,
allow
the
values
of
capacitance
and
inductance;
(
2
)
F
or
circuits
containing
up
to
1
%
inductance
or
up
to
1
%
capacitance
with
a
cable
,
allow
the
values
of
capacitance
and
inductance;
(
3
)
For
connection
of
the
combined
inductance
and
capacitance
where
both
are
greater
than
1
%
of
the
allowed
value
(
excluding
the
cable
),
allow
up
to
50
%
each
of
the
values
of
capacitance
and
inductance.
Largest external capacitance (Co) and inductance (Lo) numerical attention
when using the following requirements:
1
2
3
Summarize
Operation
Conditions
Specification
Isolated
barrier converters thermal resistance, thermal couple and
potentiometer signal in hazardous area into 0/4~20mA or 0/1~5V signal. It is
intelligent and has cold junction compensation function, RTD, TC, potentiometer
graduation and range can be configured through computer. The product needs
an independent power supply.Input circuit, output circuit and power supply are
each galvanically isolated.
GS8572-EX.R: Potentiometer
GS8572-EX.RTD: RTD input
GS8572-EX: RTD, TC input
input
(
1
).
The
air
should
not
contain
any
medium
corrupting
the
coat
of
chro-
me
,
nickel
and
silver
.
Moreover
,
violent
quiver
and
impact
or
any
cause
of
electromagnetic
induction
(
such
as
big
current
or
spark
,
etc
.)
must
be
avoided
when
using
.
(
2
).
Operating
temperature
: -
20
℃~+
60
℃
(
3
).
Storage
temperature
: -
40
℃~+
80
℃
(
4
).
Relative
humidity
:
10
%~
90
%
Intrinsic safety explosion protection loop system
Special
requirements
have to be
confirmed
before
using
the intrinsically
safe
explosion loop
system(intrinsically circuit) which connected by isolated
barrier
and
intrinsically
safe
apparatus
in
field
:
(
1
)
The explosion level of
intrinsically
safe
apparatus
should
meet
the
requirements
of
operation
conditions. The apparatus
should
pass
the
explosion
protection
test
and
get
the
certificate by state-authorized explosion-proof product
certification bodies
.
(
2
)
The
intrinsic
safety
parameters
of
isolated
barrier
and
intrinsically
safe
apparatus
both
are
sure
,
and
comply
with
12
.
2
.
5
of
GB
3836
.
15
-
2000.
(3) If any parameters are unclear, the system has to be confirmed by stateau
thorized explosion-proof product certification bodies
.
0575
T
E
J
-
200
℃ ～+
400
℃
-
200
℃ ～+
900
℃
-
200
℃ ～+
1200
℃
K
N
R
S
B
TC
-
200
℃ ～+
1372
℃
-
200
℃ ～+
1300
℃
-
40
℃ ～+
1768
℃
-
40
℃ ～+
1768
℃
+
320
℃ ～+
1820
℃
Pt100
Cu50
Cu100
-
200
℃ ～+
850
℃
-
50
℃ ～+
150
℃
-
50
℃ ～+
150
℃
50
℃
50
℃
50
℃
50
℃
50
℃
500
℃
500
℃
500
℃
20
℃
20
℃
20
℃
Type
Range
Min.span
Accuracy
0.5
℃/
0
.
1%
0
.
2
℃/
0
.
1%
0
.
2
℃/
0
.
1%
0
.
2
℃/
0
.
1%
1.5
℃/
0
.
1%
0.5
℃/
0
.
1%
0.5
℃/
0
.
1%
0.5
℃/
0
.
1%
0.5
℃/
0
.
1%
1.5
℃/
0
.
1%
1.5
℃/
0
.
1%
Potentiometer
0k
Ω
5k
Ω
～
0k
Ω
10k
Ω
～
0
.
1%
0
.
1%
RTD
Safety
Certificates
118.9mm×106.0mm×12.5mm(GS8572-EX.R
、
)
GS8572-EX.RTD
118.9mm×106.0mm×17.5mm(GS8572-EX)
IN
OUT
GS8572-EX
7
(-)
6
(+)
1
(+)
2
(-)
- +
9
10
11
Pt100
-
+
11
11
9
9
10
10
+
-
-
+
-
-
IN
OUT
GS8572-EX.R
GS8572-EX.RTD
7
8
10
6
(-)
5
(+)
1
(+)
2
(-)
- +
7
8
10
7
(+)
8
(-)
9
10
(-)
7
8
10
Note:2-wire connection can not erase lead resistance, error increases.
Application
Safe-area
Hazardous
-
area
3-wire
potentio
-meter
2-wire
potentio
-meter
2-wire
RTD
3-wire
RTD
Power
supply
OUT
Power supply
Safe-area
Hazardous
-
area
2-wire
RTD
3-wire
RTD
TC
Power
supply
OUT
Power supply
Dimensions
Configuration software EasyConfig
EasyConfig is configuration software. Based on the Windows operating
system, the software is easy to use for its friendly interface and the use of
USB interface. The parameters such as the sensor type and range scope
could be set in by users the software.
Version of operating system: Windows XP and above version
Hardware interface: USB interface
Dedicated
adapter: USBCOM-MINI(dedicated USB to RS-232 serial
connection)
