Sera PROFIBUS Manuale utente
TECHNICAL MANUAL
TRANSLATION OF ORIGINAL TECHNICAL MANUAL EN
PROFIBUS
INTERFACE MODULE
INTRODUCTION
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NOTE
Keep the operating manual for future use!
ATTENTION
Subject to technical modifications!
About this instructions
Special notes in these instructions are marked with text and danger symbols.
NOTE
Notes or instructions that faciliate work and ensure a safe operation.
ATTENTION
The non-observance of these safety instructions can result in malfunctions or material damages.
WARNING
The non-observance of these safety instructions can lead to material damages and personal injuries.
Quality notes
The sera quality management and quality assurance system is certified in accordance with DIN EN ISO 9001:2015.
The sera product complies with the applicable safety requirements and accident prevention regulations.
CONTENTS
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SAFETY INSTRUCTIONS.............................................................................................................4
Personnel qualification and training.............................................................................................................................. 4
Dangers in the case of non-observance of the safety instructions ...................................................................................... 4
Safety-conscious working ............................................................................................................................................ 4
Safety instructions for owner / operator ........................................................................................................................ 4
Improper operations ................................................................................................................................................... 4
Intended use.............................................................................................................................................................. 4
TRANSPORT / STORAGE ...........................................................................................................5
Transport .................................................................................................................................................................. 5
Storage..................................................................................................................................................................... 5
PRODUCT DESCRIPTION ............................................................................................................6
Type plate ................................................................................................................................................................. 6
Accessoires ............................................................................................................................................................... 6
TECHNICAL DATA...................................................................................................................... 7
Electrical data............................................................................................................................................................ 7
Ambient conditions..................................................................................................................................................... 7
Dimensions................................................................................................................................................................ 7
ELECTRICAL CONNECTIONS .....................................................................................................8
Installation example / bus diagram ............................................................................................................................ 10
Stub cables ............................................................................................................................................................. 11
Bus cable ................................................................................................................................................................ 11
COMMISSIONING..................................................................................................................12
OPERATION............................................................................................................................13
LED operation indicators ........................................................................................................................................... 13
Operation window................................................................................................................................................... 13
Operating Modes .................................................................................................................................................... 14
Modules ................................................................................................................................................................. 14
Explanation of the modules ....................................................................................................................................... 14
PROFIBUS acyclic data exchange .............................................................................................................................. 14
Modules / Input....................................................................................................................................................... 15
Modules / Output .................................................................................................................................................... 16
Settings (parameters) ................................................................................................................................................ 16
Data from module to the master ................................................................................................................................. 23
MESSAGE............................................................................................................................... 29
Diagnostics signals................................................................................................................................................... 29
Error message.......................................................................................................................................................... 29
MAINTENANCE / DECOMMISSIONING / DISPOSAL................................................................30
Maintenance and cleaning........................................................................................................................................ 30
Decommissioning ..................................................................................................................................................... 30
Disposal.................................................................................................................................................................. 30
SAFETY INSTRUCTIONS
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WARNING
Before commissioning, installating and during operation of the sera dosing pump the respective regulations valid at the
place of installation are to be observed!
Compliance with these operating instructions and, in particular, the safety instructions, helps to:
■Prevent danger to people, machines and the environment.
■Increase reliability and service life of the product and the complete system.
■Reduce repair costs and downtimes.
Personnel qualification and training
The personnel for operation, maintenance, inspection and installation must be suitably qualified for their tasks. The
owner must clearly define responsibility and supervision of the personnel.
If the personnel do not have the knowledge required, then personnel is to be trained and instructed correspondingly.
Such training can be provided by the manufacturer / supplier upon order of the owner. In addition, the owner has to
ensure that personnel have understood the operating instructions completely.
Dangers in the case of non-observance of the safety instructions
Non-observance of the safety instructions can result in hazards both for persons as well as for the environment and the product,
and can, for example, cause the following hazards:
■Failure of important functions of the product.
■Failure of prescribed methods for maintenance and repair.
■Danger to people from electrical, mechanical and chemical influences.
Safety-conscious working
The safety instructions shown in this operating manual, the existing national accident prevention regulations and any internal
working, operating and safety regulations of the owner must be observed.
Safety instructions for owner / operator
Danger caused by electrical energy is to be avoided.
Improper operations
Operating safety of the supplied product is only guaranteed if the product is used as intended, according to the
descriptions in Chapter „Intended use“ of these operating instructions.
Intended use
The sera product is only to be deployed according to the intended purpose stated in the product description and the
acceptance test certificate.
If the product is to be used for other applications, then the suitability of the product for the new operating conditions
must be discussed with sera beforehand!
Criteria for operation in accordance with the intended use:
■Operating conditions at the place of installation.
■Voltage supply.
SAFETY INSTRUCTIONS
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TRANSPORT / STORAGE
General
sera products are checked for perfect condition and function previous to shipment.
Check for transport damage immediately after arrival of goods. If damage is found, this is to be reported immediately to the
responsible carrier and the manufacturer.
Storage
An undamaged packaging protects the unit during storage and should only be opened when the product is installed.
Proper storage increases the service life of the product and includes prevention of negative influences such as heat, moisture,
dust, chemicals etc.
The following storage specifications are to be obsered:
■Storage place: cool, dry, dustfree and slightly ventilated
■Storage temperature and relative air humidity see Chapter „TECHNICAL DATA“.
■The maximum storage time for the standard packaging is 12 months.
If these values are exceeded, metal products should be sealed in foil and protected from condensation water with a suitable
desiccant.
Do not store solvents, fuels, lubricants, chemicals, acids, disinfectants and similar in the storage room.
PRODUCT DESCRIPTION
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The INTERFACE MODULE must only be used as communication interface between a controllable sera dosing pump and a
PROFIBUS network.
A proprietary sera protocol is used for the internal communication between INTERFACE MODULE and dosing pump.
NOTE
The sera dosing pump PROFIBUS option is integrated in the network via the device master data (DMD) file which must be
integrated in the development environment. This file contains the characteristics of the pump and information for the com-
munication capability.
The DMD file can be downloaded by scanning the QR code (see type plate) or directly from the sera website www.
sera-web.com.
Type plate
The INTERFACE MODULE is provided with a type plate at the factory.
The information on the type plate is explained below.
1
2
3
45
No. Designation
1 Type
2 Max. power consumption
3 Supply voltage
4 Protection rating
5 QR code (for the DMD file)
Accessoires
The supply includes the following accessories:
■Wall mount (1)
■Sensor cable (2)
~12
252510
23 10
7
7
93
107
28
100
1
2
TECHNICAL DATA
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TECHNICAL DATA
Electrical data
PROFIBUS interface PROFIBUS DP-V1 (slave)
GSD File sera sera0FA2.gsd
Transmission rate
9.6/19.2/45.45/93.75/187.5/500 kbit/s
1.5/3/6/12 Mbit/s
Automatic baud rate detection
Supply voltage 24 V DC
Max. power consumption 1 W
Ambient conditions
Max. height above sea level 1000 m
Max. relative humidity 90%
Protection rating IP65
Electrical protection class III
Ambient temperature 0 °C to 40 °C
Dimensions
109
113
50
M12 x 1
102
M12 x 1
109
113
50
M12 x 1
102
M12 x 1
M12 x 1
~ 43
35
~ 43
35
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ELECTRICAL CONNECTIONS
Interface Assignment Function
1Level
connection 8-pole Pre-alarm and dry run-
ning protection
2PROFIBUS
Output * 5-pole
Connection to the
PROFIBUS network or
terminating resistor (5)
3PROFIBUS
Input * 5-pole Connection to the
PROFIBUS network
4Pump
connection 8-pole
Data transfer between
pump and INTERFACE
MODULE
* no Y-connector necessary
ATTENTION
The electrical connection must be made by qualified personnel in compliance with the local regulations.
WARNING
Ensure absence of voltage of all cables and devices for the installation of electrical components!
Contact with stripped wires or live components can result in serious injuries or even death.
Any short-circuit can cause severe and expensive damage to the assemblies.
WARNING
Damaged cables should always be replaced!
WARNING
In order to guarantee the IP65 protection rating, all unused connections should be provided with a blanking plug.
1 2 3 4
5
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ELECTRICAL CONNECTIONS
The field bus box modules are connected via the supplied connection cable.
The INTERFACE MODULE has a socket and a plug, whereby no Y-connector is necessary.
The supply voltage (+5 V DC) for the terminating resistor is only applied on the socket.
The terminating resistor is only available as plug connector.
Level connection (1)
Pin Wire colour Function (factory setting)
Pin 1 WH (white) not assigned
Pin 2 BN (brown) not assigned
Pin 3 GN (green) not assigned
Pin 4 YE (yellow) not assigned
Pin 5 GY (grey) not assigned
Pin 6 PK (pink) Pre-alarm level
Pin 7 BU (blue) Dry run
Pin 8 RD (red) GND
The inputs can be switched using a floating contact signal.
Pre-alarm and dry running are set to normally open floating contacts at the factory.
The sockets of the connections are A-coded and the assignations of the functions are symbolically labelled.
PROFIBUS output (2)
Pin No. Signal Description
Pin 1 VP +5 V supply for terminating resistor
Pin 2 A-line Negative RxD/TxD
Pin 3 GND bus Data ground
Pin 4 B-line Positive RXD/TxD
Pin 5 Shield Not connected internally, connected internally with PROFIBUS cable with shield
Thread Cable shield Must be connected externally with PE via cable filter according to PROFIBUS
standard
PROFIBUS input (3)
Pin No. Signal Description
Pin 1 NC NC
Pin 2 A-line Negative RxD/TxD
Pin 3 GND bus Data ground.
Pin 4 B-line Positive RXD/TxD
Pin 5 Shield Not connected internally, connected internally with PROFIBUS cable with shield
Thread Cable shield Must be connected externally with PE via cable filter according to PROFIBUS
standard
ATTENTION
The M12 socket is inversely coded and has 5 pins. Pin 1 is 5 V DC and Pin 3 is GND for the active terminating resistor.
These must never be used for any other functions as this can result in destruction of the device.
Pin 2 and Pin 4 carry the data of the PROFIBUS communication. These must never be reversed otherwise the communicati-
on is disrupted. Pin 5 is the shield that is not internally connected to the module.
RD
BN
GN
YE
GY
PK
BU
WH
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ELECTRICAL CONNECTIONS
Master
Slave Slave
Repeater
Slave
Slave Slave Slave Slave
Slave Slave Slave Slave
Terminating resistor
Anschluss Pumpe (4)
Pin No. Function
Pin 1 +24 V supply voltage
Pin 2 Communication IM1
Pin 3 Communication IM2
Pin 4 not assigned
Pin 5 Communication IM3
Pin 6 Pre-alarm level
Pin 7 Dry run -
Pin 8 GND
Installation example / bus diagram
All devices are connected in a bus structure (line).
Up to 32 nodes (master or slaves) can be networked within one segment.
The first and the last device must be provided with a terminating resistor. The bus segments are connected to the overall network
with repeaters (amplifiers), but remain electrically isolated. Up to maximum 126 nodes (including repeaters) can be connected
within the overall network.
The bus nodes are identified by the bus address. Each address must be unique and may only be assigned once.
NOTE
The minimum cable length between the individual nodes must be at least 1 m for transmission rates of more than 1.5 Mbit/s.
It must be ensured for the cable installation that the PROFIBUS cable does not run parallel with other live cables.
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