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Sera PROFIBUS, Technical Manual

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9

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

Summary of Contents for PROFIBUS

Page 1: ...TECHNICAL MANUAL TRANSLATION OF ORIGINAL TECHNICAL MANUAL EN PROFIBUS INTERFACE MODULE ...

Page 2: ...rk 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 th...

Page 3: ... 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 t...

Page 4: ...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 th...

Page 5: ...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 valu...

Page 6: ...velopment 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 4 5 No Designation 1...

Page 7: ...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 10 113 5 102 M12 x 1 109 113 50 M12 x 1 102 M12 x 1 M12 x 1 43 35 43 35 ...

Page 8: ...ecessary 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 WARNIN...

Page 9: ...n 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 Negativ...

Page 10: ...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...

Page 11: ... Y or T distributing piece are branches from the main bus line 1 to the node Transmission rate Maximum cable length 1 5 Mbit s 100 m 1 5 Mbit s 200 m 500 kbit s 400 m 187 5 kbit s 1000 m 93 75 kbit s 1200 m 45 45 kbit s 1200 m 19 2 kbit s 1200 m 9 6 kbit s 1200 m The maximum cable length depends on the transmission rate For transmission rates greater than 1 5 Mbit s a minimum cable length of 1m be...

Page 12: ...lectrical Connections Observe earthing Apply voltage Pump starts Module status 3 lights green The INTERFACE operating mode must be enabled and can be selected for operating modes Set the address for PROFIBUS see chapter Settings parameters COMMISSIONING 1 2 3 INTERFACE Manual 100 0 freq 0 N ...

Page 13: ... process data exist Communication available LED operation indicators MODULE STATUS off green red Operational readiness x Diagnostics notification is pending flashes Module error x not initialised x OPERATION MODE off green red On line data exchange x On line ready flashes Parametrisation error flashes once f or a short time PROFIBUS configuration error flashes twice for a short time not initialise...

Page 14: ...ed via the modules Only timer operation cannot be adjusted The Module Status LED lights continuously after the initialisation of the module by the pump The Operation Mode LED indicates the network status It lights green continuously when process data are being exchanged with a controller It flashes green if the module is connected to a controller but no process data are being exchanged PROFIBUS ac...

Page 15: ...g other input data ANALOG_CONTROL Used for operation of the pump using analogue signal The functionality of analogue parameters is shown via the input data A module for parametrisation of the analogue input is required for the operation BATCH_CONTROL Start of a batch reset of the remaining batch and changeover between normal or analogue batch possible Otherwise the batch quantity in strokes litres...

Page 16: ...mation except the current delivery rate INPUT1_STATE INPUT2_STATE INPUT3_STATE OUTPUT1_STATE OUTPUT2_STATE Information of the inputs outputs analogous to the associated CONTROL modules A_OUTPUT_STATE Current analogue output current CALIBRATION_STATE Information during a calibration PUMP_INFO_STATE General pump information Dependent on the pump type ALARM_STATE Display of the error signals of the p...

Page 17: ... motor pumps 0 Auto 1 Stroke frequency 0 0 External Stop ON OFF 1 3 Operating mode 000 Fail Safe 001 Manual interface 010 Impulse interface 011 Analog interface 100 Batch interface 4 Reset Counter 5 Reserved 6 Acknowledge alarm mes sage 7 Stroke control 2 MANUAL_ CONTROL 1 Float not calibrated 0 0 100 0 calibrated 0 000 l max litres hour The decimal position of the percentage value is truncated fo...

Page 18: ...h is also reset by setting External Stop Two analogue inputs must be parametrised ac cordingly for Analogue Batch The batch can be started either by Bit 0 in Batch Control or by the digital input Batch Flow 0 0 can be set to pause a batch The speed can be varied during a batch 0 Start Batch 1 Reset of the remaining batch 2 Normal batch Analogue batch Float 2 Batch Volume 0 000 l dependent on pump ...

Page 19: ...t in bus operation by using the respective mo dule Otherwise the functionality on delivery is applicable 0 3 Input function 0000 OFF 0001 External stop 0010 Venting 0011 Impulse 0100 Analog 2 0101 Recipe 0110 Start Batch 0111 Batch quantity 1000 Batch output 4 NC contact NO contact 9 OUTPUT1_ CONTROL Byte 1 Bit definition The function of the INPUTS OUTPUTS can be set in bus operation by using the ...

Page 20: ...nternal error 1011 Batch finished 4 NC contact NO contact 11 A_OUTPUT_ CONTROL Byte 1 Bit definition 0 1 Analogue output function 00 Analogue input 01 Remaining batch 10 Stroke frequency litre capacity 2 Reserved 3 4 Analogue output signal 00 0 20 mA 01 4 20 mA 10 Standardisation Byte 2 Analogue output current 1 Bytes 2 5 are only used standardised for ana logue signal 0 0 0 mA 200 20 0 mA 155 15 ...

Page 21: ... 801x 1 4 Warning STOP Byte 2 Fault strokes 1 100 strokes Byte 3 Alarm limit Alarm limit only active for sensor TYPE 801x 1 1 100 16 DEAERATION_ CONTROL Byte 1 Bit definition 0 Start venting Start of the venting only for external control 1 2 Control 00 OFF 01 External 10 Interval 11 Automatic Byte 2 Interval time 15 100 minutes Word 3 Venting time 10 300 seconds 17 LEVEL_CONTROL Byte 1 Bit definit...

Page 22: ...sent The calibration value is saved with the change of Bit 2 from 0 to 1 A value greater than 0 must exist in Float 4 and the calibration must be completed for this Using Bit 3 the calibration can be deactivated for a calibrated pump by setting the bit to 1 The control is then performed with specification of a stroke frequency 0 Start Calibration 1 Cancel Calibration 2 Save Calibration Value 3 Cal...

Page 23: ...anual 0110 Pulse 0111 Analogue 1000 Batch 1001 Reserved 1010 Timer Byte 2 Pump State 2 Bit 1 changes from 0 to 1 for 160 ms after each performed stroke 0 Pump OFF ON 1 Stroke signal 2 Group signal present 3 Group fault present 4 Acknowledgement of error message performed 5 Diaphragm change active 7 Pump calibrated No Yes 23 FLOW_STATE Float 1 Current delivery rate not calibrated 0 0 100 0 calibrat...

Page 24: ... 4 byte Operating hours In hours since delivery of the pump Long 5 4 byte Diaphragm hours In hours since delivery or last diaphragm change 25 BATCH_STATE Byte 1 Bit definition 0 Batch is being conveyed Float 2 Batch volume Specification according to BATCH_CONTROL or using analo gue input Float 3 Batch speed Specification according to BATCH_CONTROL Float 4 Remaining batch quantity 0 001 l max batch...

Page 25: ...active input is displayed 0 100 Byte 6 Analogue Current 0 250 28 INPUT1_STATE Byte 1 Bit definition 0 3 Input function 0000 OFF 0001 External stop 0010 Venting 0011 Pulse 0100 Analogue changeover 0101 Recipe 0110 Start Batch 4 NC contact NO contact 5 set not set 29 INPUT2_STATE Byte 1 Bit definition 0 3 Input function 0000 OFF 0001 External stop 0010 Venting 0011 Pulse 0100 Analogue 1 0101 Recipe ...

Page 26: ...Recipe 0110 Start Batch 0111 Batch quantity 1000 Batch output 4 NC contact NO contact 5 set not set 31 OUTPUT1_STATE Byte 1 Bit definition 0 3 Output function 0000 OFF 0001 operational 0010 Pump active 0011 Stroke signal 0100 Pre alarm level 0101 Dry run 0110 Diaphragm rupture 0111 No flow 1000 Group signal 1001 Group fault 1010 Internal error 1011 Batch finished 4 NC contact NO contact 5 set not ...

Page 27: ...UT_STATE Byte 1 Analogue Out Current 0 200 0 0 mA 150 15 0 mA 200 20 0 mA 34 CALIBRATION_ STATE Byte 1 Bit definition 0 Start Calibration 1 Cancel Calibrati on 2 Save Calibration Value 3 Calibration ON OFF 4 Calibration active 5 Calibration finis hed Word 1 Calibration Remain Strokes 0 999 35 PUMP_INFO_STATE Float 1 MAX_FLOW Maximum delivery rate in l h Word 1 MAX_STROKE Maximum stroke frequency i...

Page 28: ...Bit 11 Mains voltage too high Bit 12 Mains voltage too low Bit 13 no flow only for active flow rate monitoring Bit 14 Flow rate too low Bit 15 Pulse memory overflow Bit 16 Overtemperature only stepper motor pump Bit 17 Service time exceeded Bit 18 SD card fault Bit 19 Analogue signal 20 mA Bit 20 Analogue signal 4 mA Bit 21 Analogue signal 25mA Bit 22 Reserved Bit 23 Reserved Bit 24 Reserved Bit 2...

Page 29: ... tool The following messages can be generated PUMP_WARNING There is a signal in the pump The pump is still operational PUMP_ERROR There is a fault in the pump The pump is not operational ALARME_STATE The module can be used to evaluate the error Error message Error message Possible cause Corrective action Fault bus module Module has been removed from the pump during operation Disconnect voltage Con...

Page 30: ...missioning Disconnect device from the power supply Detach electrical connections Take device out of operation ATTENTION Only let the decommissioning be performed by authorised and qualified personnel Disposal Dispose of correctly and comply with the currently applicable local regulations after shutdown and dismantling ATTENTION Dispose of electronics separately MAINTENANCE DECOMMISSIONING DISPOSAL...

Page 31: ...www sera web com 31 ...

Page 32: ...emark by sera GmbH Subject to change without notice sera accepts no liability for errors or misprints sera ProDos GmbH sera Str 1 34376 Immenhausen Germany Tel 49 5673 999 02 Fax 49 5673 999 03 info prodos sera web com www sera web com FOLLOW US ...

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