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1
Passive
DC signal isolator
SINEAX SI 815-5
SI 815-5 Be 974 180-02 10.10
Camille Bauer Ltd.
Aargauerstrasse 7
CH-5610 Wohlen/Switzerland
Phone +41 56 618 21 11
Fax +41 56 618 35 35
info@camillebauer.com
www.camillebauer.com
Operating Instructions
3. Brief description
The signal isolator serves to electrically insulate SINEAX SI 815-5
the 4...20 mA input circuit of a two-wire transmitter. It performs two
tasks at the same time. Firstly it provides electrical insulation and
secondly it conducts the power supply needed for measurement to
the two-wire transmitter without injecting into the circuit itself. Thus
the isolator does not require an power supply connection itself.
Some versions of the SINEAX SI 815-5 are designed for FSK com-
munication. They are used in conjunction with “intelligent” two-wire
transmitter which are capable of dialogue and operation according
to the FSK principle and the HART or user-specifi c protocol.
The series also includes “intrinsically safe” versions [EEx ia] IIC with
an intrinsically safe measurement/supply circuit. These operate in
conjunction with intrinsically safe two-wire transmitters located in
explosion hazard areas.
O
T ZG
A
LR
X
mA E
2-wire
transducer
+
–
+
–
4...20 mA
W
Digital signal
Power supply
Analog signal
Power pack
Power
supply
Receiver
4...20 mA
Hand-held
terminal
FSK
Fig. 3. Block diagram.
4. Specifi cation and ordering information
Order Code 815 - 5 . 1 . .
1. Mechanical design
Housing N17 5
2. Version
Standard (non-Ex)
Output signal non-intrinsically safe 1
[EEx ia] IIC,
Output signal intrinsically safe 2
3. Number of isolation and
transmission channels
1 channel (interface) 1
4. Field communications protocol
Without FSK communication 0
With FSK communication 1
5. Climatic rating
Standard climatic rating 0
Improved climatic rating 1
The following symbols in the Operating Instructions indicate safety
precautions which must be strictly observed:
The instruments must only be disposed of in the
correct way!
Contents
1. Read fi rst and then … .............................................................1
2. Scope of supply .......................................................................1
3. Brief description .......................................................................1
4. Specifi cation and ordering information ....................................1
5. Technical data ..........................................................................2
6. Mounting ..................................................................................2
7. Electrical connections ..............................................................3
8. Commissioning and maintenance ...........................................4
9. Releasing the signal isolator ....................................................4
10. Dimensional drawings ..............................................................4
11. Declaration of conformity ........................................................4
1. Read fi rst and then …
The proper and safe operation of the device assumes
that the Operating Instructions are read carefully and
the safety warnings given in the sections
6. Mounting
7. Electrical connections
are .observed
The device should only be handled by appropriately
trained personnel who are familiar with it and author-
ised to work in electrical installations.
Unauthorized repair or alteration of the unit invalidates
the warranty.
2. Scope of supply
Signal isolator (Fig. 1)
1 Adapter (Fig. 1) for wall mounting
1 Operating Instructions (Fig. 2) in English, French, German
1 Ex approval (Fig. 2), only for Ex version devices
Fig. 1 Fig. 2
2
1 “Input” and “output” in this case refer to the direction of power supply
fl ow.
5. Technical data
Input signal E1
(Input circuit between signal isolator and power pack)
DC current signal IE: 4...20 mA
Voltage UE: 12…30 V DC
Overload capacity: ≤ 50 mA continuous
Output signal A1
(Input circuit between signal isolator and 2-wire transmitter)
DC current signal IA: 4...20 mA
Voltage UA (for IE = 20 mA and UE = 22 V):
> 19.3 V with standard (non-Ex) version,
not designed for communications protocol
> 18.5 V with standard (non-Ex) version,
designed for FSK communication
> 14.3 V with Ex versions,
not designed for communications protocol
> 13.3 V with Ex versions, designed for FSK communication
Voltage drop UV = UE – UA (at UE) 12…22 V:
< 2.7 V with standard (non-Ex) version,
not designed for communications protocol
< 3.5 V with standard (non-Ex) version,
designed for FSK communication
< 7.7 V with Ex versions,
not designed for communications protocol
< 8.7 V with Ex versions, designed for FSK communication
Residual ripple: < 20 mV ss (120 kHz)
Time constant: Approx. 5 ms
Accuracy data
Error: < ± 0.2%
(Reference value 20 mA of output signal,
including typical linearity error < ± 0.1%)
Ambient conditions
Climatic rating: Climate class 3Z acc. to VDI/VDE 3540
Operating temperature: – 25 to +55 °C
to +55 °C– 20
(for the Ex versions: output signals “intrinsi-
cally safe”)
Storage temperature: – 40 to +70 °C
Annual mean
relative humidity: ≤ 75% standard climatic rating
≤ 95% improved climatic rating
Seismic test: 5 g, < 200 Hz, 2 h in each of 3 directions
Shock test: , 10 shocks in each of 3 directions50 g
Altitude: 2000 m max.
Indoor use statement!
6. Mounting
The SINEAX SI 815-5 can be mounted either on a top-hat rail or
directly onto a wall or mounting plate using the adapter (standard
accessory).
Make sure that the ambient temperature stays within the
permissible limits:
– 25 and + 55 °C for standard instruments
– 20 and + 55 °C for instruments in version!Ex
6.1 Top-hat rail mounting
Simply clip the device onto the top-hat rail (EN 50 022) (see Fig. 4).
Fig. 4. Mounting on top-hat rails 35 x 15 or 35 x 7.5 mm.
6.2 Wall mounting
Drill 2 holes in the wall or panel as shown in the drilling pattern
(Fig. 5). Now secure the adapter (standard accessory) to the wall or
panel using two 5 mm diameter screws (Fig. 6). Clip the device onto
the adapter (Fig. 7).
5.8
60
Fig. 5. Drilling pattern. Fig. 6. Adapter
mounted on wall.
Fig. 7. Mounting on the adapter.
3
7. Electrical connections
The electrical connections are made to screw terminals which are
easily accessible from the front of the signal isolator (see Fig. 9) and
can accommodate wire gauges up to 2,5 mm
2.
Make sure that the cables are not live when making
the connections!
In the case of explosionproof ver-“Intrinsically safe”
sion, the supplementary information given on the type
examination certifi cation, the EN 60 079-14 and also
local regulations applicable to electrical installations in
explosion hazard areas must be taken into account.
Note that, ...
... the required electrical insulation and transmission
data agree with the data on the nameplate of the
SINEAX SI 815-5 ( input signal and output
signal, see Fig. 8)!
... the input and output cables should be twisted
pairs and run as far as possible away from heavy
current cables!
Fig. 8. Example of a nameplate.
Connect the input E and output A leads and according to Fig. 9.
Signal isolator in housing N17 with one isolation and trans-
mission channel
Fig. 9. SINEAX SI 815-511..,
Standard (non-Ex) version
and
SINEAX SI 815-521..,
Ex version
(output signal A “intrinsically safe”).
3
–
–
1+
2
4
+
A
–
+
–
+
E
7.1 Connection of the hand-held-terminals HHT
The FSK transmission versions of the isolation transformers SINEAX
SI 815-5111 . and SI 815-5 .11. can relay a frequency modulated
digital signal in both directions in addition to the analog signal and
the auxiliary supply. Connect the hand-held terminal HHT as shown
in Figures 10 and 11.
The burden of the signalling circuit must be as least
250 Ω. The burden is represented in Figures 10 and 11
by the resistor RB.
4+
UM 12 V A
X
2-wire
transducer
Digital signal
Power pack
Power
supply
HHT
FSK
XSI 815
3–
2+
1–
E
UV < 3,5 V
Power supply
Analog signal
US 24 V
RB
Safe area
UM
minimum operating voltage
US supply voltage
Fig. 10. SINEAX SI 815-5111.
Standard (non-Ex) version,
designed for FSK communication, frequency 500 Hz … 35 kHz.
4+
UM12 V A
X
2-wire
transmitter
Digital signal
Power pack
Power
supply
HHT
FSK
XSI 815
3–
2+
1–
E
UV < 8,7 V
Power supply
Analog signal
US>26 V
RB
Safe areaHazardous area
UM
minimum operating voltage
US supply voltage
Fig. 11. SINEAX SI 815-5 .11.
Ex version, (output signal A “intrinsically safe”),
designed for FSK communication, frequency 500 Hz … 35 kHz.
Type: 815 – 51110
999295/1416280
Mat:
SINEAX SI 815
Passiver DC-Signaltrenner
Passive DC signal isolator
Camille Bauer AG
Aargauerstr. 7
CH-5610 Wohlen
Switzerland
Manufactured: 1998
Tamb 55°C
4…20 mA 12V/30V HART
4…20 mA
0,2 2,3

Produktspecifikationer

Varumärke: Camille Bauer
Kategori: Mätutrustning
Modell: Sineax Si815-5

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