CS Instruments FA 550 Manuale utente
EN
Page 1 FA 550 V1.00
INSTRUCTION MANUAL
FA 550
The CS dew point sensor FA 550 with 3-wire technology 4…20 mA and RS
485 Modbus output enables a reliable and long-term stable monitoring of the dew
point in industrial applications such as in
-
Table of Content
Page 2 FA 550 V1.00
Table of Content
1Foreword ............................................................................................................................3
2Pictograms and Symbols....................................................................................................4
3Signalwords according ISO 3864 and ANSI Z 535...........................................................4
4Intended use........................................................................................................................5
5Device description..............................................................................................................6
6Safety Instructions..............................................................................................................7
7Technical data ....................................................................................................................8
7.1 Signal circuits ..............................................................................................................9
7.1.1 Modbus.................................................................................................................9
7.1.2 Current output ......................................................................................................9
7.1.3 Alarm....................................................................................................................9
8Dimension ........................................................................................................................10
9Electrical Wiring ..............................................................................................................11
9.1 Cable glands - clamping ranges.................................................................................11
9.2 Connector pin assignment .........................................................................................11
** The Current outputs, X5 and X6, are optional.(Active and passive version
available)..........................................................................................................................12
9.3 Wire connection.........................................................................................................13
9.3.1 General:..............................................................................................................13
9.3.2 Power supply......................................................................................................13
9.3.3 Modbus RTU.....................................................................................................13
9.3.4 Modbus TCP (Ethernet) Optional PoE...............................................................14
9.3.5 Pulse Output.......................................................................................................14
10 Installation........................................................................................................................15
10.1 Installing directly into the process.........................................................................15
11 Modbus.............................................................................................................................17
11.1 Register Mapping measuring values......................................................................17
Remark for DS400 / DS 500 / Handheld devices - Modbus Sensor Datatype:....................17
„Data Type R4-32“ match with „Data Type Float“ ............................................................17
11.2 Modbus Settings (2001…2006)............................................................................18
11.3 Analog Scaling Settings (2007…2011) ............................................................... 18
12 Operation..........................................................................................................................19
12.1 Initialization...........................................................................................................20
12.2 Main menu .............................................................................................................20
12.3 Settings...................................................................................................................21
12.3.1 Sensor Settings...................................................................................................22
12.3.2 Definition of Reference- and System pressure...................................................23
12.3.3 Modbus RTU Setup............................................................................................26
12.3.4 Modbus TCP (Optional).....................................................................................27
12.3.5 Alarm..................................................................................................................30
12.3.6 User Setup. .........................................................................................................31
12.3.7 4 -20mA..............................................................................................................32
12.3.8 FA 550 Info........................................................................................................34
13 Calibration / Adjustment..................................................................................................35
14 Warranty...........................................................................................................................35
15 Ordering details................................................................................................................36
Foreword
Page 3 FA 550 V1.00
1 Foreword
Dear Customer,
thank you for choosing the FA 550. Please read these installation and operating instructions
carefully before installation and commissioning and follow our instructions. The proper
functioning of the FA 550 and safe operation can only be ensured if the regulations and
instructions described are strictly observed.
Geschäftsstelle Süd/Sales Office South
Zindelsteiner Str. 15
D-78052 VS-Tannheim
Tel.: +49 (0) 7705 978 99 0
Fax: +49 (0) 7705 978 99 20
Web: http://www.cs-instruments.com
Geschäftsstelle Nord/Sales Office North
Am Oxer 28c
D-24955 Harrislee
Tel.: +49 (0) 461 700 20 25
Fax: +49 (0) 461 700 20 26
Web: http://www.cs-instruments.com
Pictogram / Symbols
Page 4 FA 550 V1.00
2 Pictograms and Symbols
General Warning symbol (Danger, Warning, Caution)
General note
Installation- and Instruction manual to consider (on Nameplate)
Installation- and Instruction manual to consider
3 Signalwords according ISO 3864 and ANSI Z 535
Danger!
Imminent danger
As a consequence of incorrect handling: serious personal injury or death
Warning!
Possible harzard
As a consequence of incorrect handling: possible serious injury or death
Caution!
Imminent hazard
As a consequence of incorrect handling: possible personal injury or damage
Note!
Possible harzard
As a consequence of incorrect handling: possible personal injury or damage
Important!
Additional notes, information, tips
As a consequence of incorrect handling: Disadvantages in operation and
maintenance, no danger
Intended Use
Page 5 FA 550 V1.00
4 Intended use
The FA 550 dew point sensor is intended for measuring the dew point or the pressure dew
point in clean, dry and oil-free gases and compressed air.
It is the responsibility oft he user whether the instrument is suitable for the selected
application. It must be ensured that the medium is compatible with the wetted parts. The
technical data listed in the data sheet are binding.
Improper handling or operation outside the technical specifications is not permitted. Claims of
any kind based on improper use are excluded.
Intended Use
Page 6 FA 550 V1.00
5 Device description
The FA 550 dew point sensor enables a reliable and long-term stable monitoring of the dew
point in industrial applications.
When mounting FA 550 into compressed air systems the pressure dew point (dew point
under pressure) up to 50 bar (in the special version up to 500 bar) is measured directly.
When mounting FA 550 in atmospheric conditions (ambient pressure) or in the flow off sector
(relaxed air) of compressed air systems the atmospheric dew point is measured.
Typical Application
compressed air plants (membrane- /adsorption dryers)
Residual moisture measurement / dew point measurement in gases such as:
Oxygen, nitrogen, argon, hydrogen, natural gas, biogas …
Advantages:
Extremely long-term stable
IP 67 housing grants a reliable protection in extreme industrial conditions
Very fast response time
Installable in the dryer by means of G 1/2" thread, optional UNF 5/8“
Analogoutput
o1x 4..20mA (glav. not isolated,
Modbus RTU Interaface
Optional
o2x 4..20mA galv. isolated
oEthernet or Ethernet PoE
oMBus
Calibration on location and testing with CS control and calibration set (PC connection
set)
CS Instruments Service Software
With the CS Service Software incl. USB / Modbus Adapter the Modbus settings, the scaling of the
Analogue output and the assignment of the measurement values could be set.
- Analogue output 4…20 mA scalable
- Switching between °Ctd,°Ftd, % RH, °C, °F, g/m³, mg/m³, g/kg, ppm, and so on
- Calibration and adjustment
- Sensor diagnosis
- Read-out of service data
Safety Instructions
Page 7 FA 550 V1.00
6 Safety Instructions
Read these operating instructions carefully before installing the FA 550.
Failure to observe the instructions contained herein, in particular the safety
instructions, may result in hazards to personnel, equipment and systems.
he product may only be used in accordance with its intended purpose.
Installation of the dew point sensor and maintenance work may only be carried
out by trained ersonnel.
Installation and service work must be carried out in a de-energized state.
The applicable safety regulations must be observed!
All work on the compressed air network must only be carried out in a
depressurised state.
Attention: Do not exceed the pressure range > 50 bar for the standard version.
Observe the measuring ranges of the sensor!
Overheating will destroy the sensors.
Observe the permissible storage and transport temperature as well as the
permissible operating temperature (e.g. protect the measuring instrument from
direct sunlight).
Opening the instrument, improper handling or use of force will void all warranty
claims!
Important: Before installation, briefly allow compressed air to flow off to remove
condensate and particles, this will prevent soiling of the FA 550.
Standing air leads to long measuring times.
Technical data
Page 8 FA 550 V1.00
7 Technical data
Measuring range -80…20 °Ctd pressure dew point resp. dew point in °Ctd
0…100 % RH
-20…70 °C
Accuracy: typical
1 °Ctd von 50…-20 °Ctd
2 °Ctd von -50…-20 °Ctd
3 °Ctd von -50…-80 °Ctd
Pressure range: -1…50 bar standard
Power supply: 24V VDC (10..30 VDC)
Outputs: 4…20 mA galv. not isolated, **
Optional: 2x 4.20mA galv. isolated
RS 485 (Modbus RTU) **
Optional:Ethernet, Ethernet PoE, MBus
Protection class: IP 67
EMV: DIN EN 61326
Operating temperature: -20…70 °C (ideal 0…50 °C)
Storage temperature: -40…80 °C
Load for analogue output: < 500 Ohm
Screw-in thread: G 1/2" stainless steel
Optional: UNF 5/8”
Material of housing: Aluminium die cast
Sensor protection: sinter filter 50 m stainless steel
Connection: M12, 5-pole
Display: 2“ TFT Colour Display (320 x 240)
Alarm relay max. 60V, 0,5A (AC* / DC)
NC relay, relays is closed in case of alarm and power failure.
Alarm value adjustable via keyboard. See Chapter Operation.
* Peak AC
**Note: Parallel use of both outputs (4...20mA and RS 485 Modbus) is possible.
Technical data
Page 9 FA 550 V1.00
7.1 Signal circuits
7.1.1 Modbus
According Standard EIA/TIA-485
7.1.2 Current output
7.1.2.1 Aktive
Galvanically isolated
4 … 20 mA
RL< 500 Ohm
7.1.2.2 Passive
Galvanically isolated
4 … 20 mA
RL< 500 Ohm
Vin 12-36Vdc
7.1.3 Alarm
Galvanically isolated (dry contact)
Max. 48Vdc, 500mA
Dimensions
Page 10 FA 550 V1.00
8 Dimension
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