Eilersen 4 50 Series Manuel utilisateur

Kokkedal Industripark 4

DK-2980 Kokkedal

Denmark

[email protected]

Tel +45 49 180 100

Fax +45 49 180 200

Applies for:

Software: EtherNetIP.190129.1v4

Document no.: 0129mu4x50-1v4

Date: 2020-11-24

Rev.: 1v4

4x50 ETHERNET SYSTEM

Status and weight transfer using EtherNetIP

4x50 EtherNetIP.190129.1v4: User manual

WWW.EILERSEN.COM

Version: 2020-11-24, rev.: 1v4 Page: 2

1) Contents

1) Contents .................................................................................................................. 2

2) Introduction.............................................................................................................. 4

2.1 Introduction ......................................................................................................... 4

2.2 Connection of power supply .................................................................................... 4

2.3 ATEX (Ex) specification .......................................................................................... 4

2.4 EtherNetIP specification ......................................................................................... 5

3) Data Exchange .......................................................................................................... 6

3.1 EtherNetIP communication ..................................................................................... 6

3.1.1 Output data .................................................................................................... 7

3.1.2 Input data (LcSignal, Normal operation, AS=0) ................................................... 8

3.1.3 Input data (LcSignalFiltered, AS=1) ................................................................... 9

3.1.4 Input data (LcSignalUnFiltered, AS=2) ............................................................... 9

3.1.5 Input data (LcSerialNumber, AS=3) ................................................................. 10

3.1.6 Input data (LcCapacity, AS=4) ........................................................................ 10

3.1.7 Input data (LcExponent, AS=5) ....................................................................... 11

3.1.8 Input data (TestValue, AS=6) ......................................................................... 12

3.1.9 Input data (SoftwareVersion, AS=7) ................................................................ 13

3.2 Data formats ...................................................................................................... 14

3.2.1 Unsigned integer format (16 bit) ..................................................................... 14

3.2.2 Signed integer format (32 bit)......................................................................... 14

3.3 Scaling............................................................................................................... 15

3.4 Measurement time .............................................................................................. 15

3.5 Filtering ............................................................................................................. 16

4) Data Processing ...................................................................................................... 17

4.1 Zeroing, calibration and weight calculation ............................................................. 17

4.1.1 Zeroing of weighing system ............................................................................ 17

4.1.2 Corner calibration of weighing system .............................................................. 18

4.1.3 Calculation of uncalibrated system weight......................................................... 18

4.1.4 System calibration of weighing system ............................................................. 19

5) Installation of System .............................................................................................. 20

5.1 Checklist during installation .................................................................................. 20

6) Hardware Description............................................................................................... 21

6.1 4x50 overview .................................................................................................... 21

6.2 4x50 front panel description ................................................................................. 21

6.2.1 Connection of power ...................................................................................... 21

6.2.2 Connection of load cells .................................................................................. 22

6.2.3 RS232 connector (J4)..................................................................................... 22

6.2.4 Ethernet connector ........................................................................................ 22

6.2.5 SW1 settings................................................................................................. 22

6.2.6 SWE settings................................................................................................. 23

6.2.7 Light Emitting Diodes (LEDs)........................................................................... 23

6.3 Hardware Selftest................................................................................................ 24

6.4 Update times ...................................................................................................... 24

7) Appendices ............................................................................................................. 25

7.1 Appendix A: Connection of power .......................................................................... 25

7.1.1 Non-ATEX applications ................................................................................... 25

7.1.2 ATEX applications .......................................................................................... 26

7.2 Appendix B –Configuration using EEConnect software ............................................. 27

7.2.1 Change of IP Address, SubNet mask etc. .......................................................... 27

7.2.2 Download of new software .............................................................................. 27

7.3 Appendix C –Allen Bradley connection................................................................... 28

7.4 Appendix D –Omron connection ........................................................................... 28

7.5 Appendix E –Internal Features ............................................................................. 29

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7.5.1 4050 Ethernet module.................................................................................... 29

7.5.2 SW2 settings................................................................................................. 29

7.5.3 Light Emitting Diodes (LEDs)........................................................................... 29

7.5.4 4040 communication module .......................................................................... 29

7.5.5 SW2 settings................................................................................................. 30

7.5.6 Jumper settings............................................................................................. 30

7.5.7 Light Emitting Diodes (LEDs)........................................................................... 31

7.6 Appendix F –Status Codes ................................................................................... 32

4x50 EtherNetIP.190129.1v4: User manual

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Version: 2020-11-24, rev.: 1v4 Page: 4

2) Introduction

2.1 Introduction

This document describes the use of a 4x50 Ethernet system unit from Eilersen

Electric. The 4x50 system unit consists internally of a 4050 Ethernet module

(with the software listed on the front page) and a 4040 communication mod-

ule.

The 4x50 system unit is connected to X load cells (1-4). With the program

specified on the front page, the 4x50 Ethernet unit is capable of transmitting

weight and status for up to 4 load cells in a single telegram. The 4x50 Ether-

net unit is also capable of transmitting load cell information (such as serial

number, capacity and exponent) instead of the normal weight signals. This is

all determined by the Actual Value Selector (AS) written to the 4x50 Ether-

net unit from the EtherNetIP master.

It is possible to connect the 4x50 Ethernet unit to an EtherNetIP network,

where it will act as a slave. It will then be possible from the EtherNetIP master

to read status and weight for each of the connected load cells. Functions as

zeroing, calibration and calculation of system weight(s) must be implemented

outside the 4x50 in the EtherNetIP master.

By use of DIP-switches it is possible to select measurement time and include

one of 15 different FIR filters, which will be used to filter the load cell signals,

as well as selecting the desired scaling of the load cell signals.

Exchange of data between master and slave takes place as described in the

following.

2.2 Connection of power supply

IMPORTANT: Connection of power supply (24VDC) MUST be made to

BOTH the green two pole power connectors (J2 and J3) as specified on

the front panel of the 4x50 unit.

IMPORTANT: In regards to ATEX installations each of the green two

pole power connectors (J2 and J3) MUST be connected to EACH of

their own SEPARATE power supply as described later; see “7.1 Appen-

dix A: Connection of power”.

2.3 ATEX (Ex) specification

IMPORTANT: Instrumentation (the 4x50A) must be placed outside the

hazardous zone if the load cells are used in hazardous ATEX (Ex) area.

Furthermore, only ATEX certified load cells and instrumentation can be

used in ATEX applications.

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2.4 EtherNetIP specification

The EtherNetIP unit confirms with the following EtherNetIP specifications:

Protocol: EtherNetIP

Media: Ethernet

Module type: Slave(/Target)

Communication settings 10MB/s, Half duplex

IP-Address: Fixed (default: 192.168.1.199)

Ethernet connection: RJ45/Cat5

System setup: Ethernet using EEConnect software

Software download: Ethernet using EEConnect software

4x50 EtherNetIP.190129.1v4: User manual

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Version: 2020-11-24, rev.: 1v4 Page: 6

3) Data Exchange

3.1 EtherNetIP communication

EtherNetIP communication with the 4x50 Ethernet unit uses a single Assembly

consisting of 2 output bytes (to the 4x50) as specified in the EDS file:

Assembly: Assem2 Output

Assembly instance: 102 (0x66)

Connection: Connection1 Exclusive Owner

Transfer class: Class 1

EtherNetIP communication with the 4x50 Ethernet unit also uses a single As-

sembly consisting of 26 input bytes (from the 4x50) as specified in the EDS

file:

Assembly: Assem3 Input

Assembly instance: 103 (0x67)

Connection: Connection1 Exclusive Owner

Transfer class: Class 1

In the following the byte order for the individual parts of the telegrams is LSB

first. In the following bit 0 will represent the least significant bit in a register.

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3.1.1 Output data

The 2 output data bytes (to the 4x50 unit) are structured like this:

Byte 0 (LSB)

Byte 1 (MSB)

LcRegister is a word (two bytes) that constitutes a bit register consisting of

16 bits (bit 0–15). Bit 8-11 in the LcRegister (the 4 least significant bits of

the most significant byte) are used as an Actual Value Selector (AS).

The other bits in the LcRegister of the output data are NOT used.

The Actual Value Selector (AS) is used as a request to select the actual in-

put data transferred from the 4x50 unit back to the EtherNetIP master. Once

the AS in the response coming back from the 4x50 unit matches the AS in the

request sent to the 4x50 unit, then the EtherNetIP master knows the data

transferred correspond to the requested data. The following data transfers can

be requested using the Actual Value Selector (AS) and are described in de-

tail below:

Actual Value Selector

(AS)

Transfer

LcSignal(X): Load cell signals (normal operation) (filtered and scaled)

LcSignalFiltered(X): Load cell signals (filtered but not scaled)

LcSignalUnFiltered(X): Load cell signals (not filtered and not scaled)

LcSerialNumber(X): Load cell serial numbers

LcCapacity(X): Load cell capacities

LcExponent(X): Load cell exponents

TestValue(X): Test values

SoftwareVersion(X): Software version installed in module.

IMPORTANT: Before using the input data described below, the EtherNetIP

master must ensure the AS response value in the input data (from 4x50)

matches the AS request value in the output data (to 4x50).

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3.1.2 Input data (LcSignal, Normal operation, AS=0)

This chapter describes the input data when the Actual Value Selector (AS) is

set to 0during normal operation.

The 26 input data bytes (from the 4x50 unit) are structured like this:

Status(0)

Data(0)

Status(3)

Data(3)

LcRegister is a word (two bytes) that constitutes a bit register for indication

of expected load cells. Hence bit 0-3 will be ON, if the corresponding load cell

address (LC1-LC4) was expected to be connected. LcRegister is always trans-

ferred in 16 bit unsigned integer format.

In addition the LcRegister also contains the Actual Value Selector (AS) as

previously described above in the 3.1.1 Output data. The AS is located in the

same bit positions (bit 8-11) in the input data as in the output data.

Furthermore bit 15 will be always ON, while bit 14 will toggle ON and OFF with

1hz (=500ms ON, 500ms OFF).

LcStatus(X) is a word (two bytes) that constitute a register containing the

actual status for load cell X. LcStatus(X) is always transferred in 16 bit un-

signed integer format. During normal operation this register will be 0, but if

an error occurs some bits in the register will be set resulting in an error code.

A description of the different error codes can be found in Appendix F –Status

Codes.

LcData(X) is a double word (four bytes) constituting a register, which during

normal operation (AS=0) contains the LcSignal(X). The LcSignal(X) is the

actual weight signal from load cell Xin 32 bit signed integer format. Note

that the LcSignal(X) value is only valid if the corresponding LcStatus(X)

during normal operation is filtered and scaled using the selected DIP switch

settings (SWE) as described below.

Since only status and weight for the load cells are transmitted in the telegram,

functions such as status handling, calculation of system weight(s), zeroing and

calibration must be implemented on the EtherNetIP master. Please refer to

the chapter 4) Data Processing for an explanation on how this typically can be

done.

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3.1.3 Input data (LcSignalFiltered, AS=1)

This chapter describes the input data when the Actual Value Selector (AS) is

set to 1during transfer of LcSignalFiltered(X). The 26 input data bytes

(from the 4x50 unit) are structured exactly like during normal operation

(AS=0), except for the differences listed in the following:

LcRegister is 100% identical to LcRegister during normal operation (AS=0),

except the AS will be set to 1.

LcStatus(X) is 100% identical to LcStatus(X) during normal operation

(AS=0), except the LcStatus(X), will always have a bit set (see 7.6 Appendix

F –Status Codes) stating that LcSignal(X) is NOT selected (i.e. normal oper-

ation NOT selected).

LcData(X) will contain LcSignalFiltered(X) in the double word instead of

LcSignal(X) which is transferred during normal operation (AS=0). The

LcSignalFiltered(X) is the “raw”filtered signal from load cell X, which means

it is the load cell signal with filtering but without any scaling (based on the

LcExponent(X)) selected using the DIP switch settings (SWE).

3.1.4 Input data (LcSignalUnFiltered, AS=2)

This chapter describes the input data when the Actual Value Selector (AS) is

set to 2during transfer of LcSignalUnFiltered(X). The 26 input data bytes

(from the 4x50 unit) are structured exactly like during normal operation

(AS=0), except for the differences listed in the following:

LcRegister is 100% identical to LcRegister during normal operation (AS=0),

except the AS will be set to 2.

LcStatus(X) is 100% identical to LcStatus(X) during normal operation

(AS=0), except the LcStatus(X), will always have a bit set (see 7.6 Appendix

F –Status Codes) stating that LcSignal(X) is NOT selected (i.e. normal oper-

ation NOT selected).

LcData(X) will contain LcSignalUnFiltered(X) in the double word instead of

LcSignal(X) which is transferred during normal operation (AS=0). The

LcSignalUnFiltered(X) is the “raw”unfiltered signal from load cell X, which

means it is the load cell signal without any filtering or scaling (based on the

LcExponent(X)) selected using the DIP switch settings (SWE).

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3.1.5 Input data (LcSerialNumber, AS=3)

This chapter describes the input data when the Actual Value Selector (AS) is

set to 3during transfer of LcSerialNumber(X). The 26 input data bytes

(from the 4x50 unit) are structured exactly like during normal operation

(AS=0), except for the differences listed in the following:

LcRegister is 100% identical to LcRegister during normal operation (AS=0),

except the AS will be set to 3.

LcStatus(X) is 100% identical to LcStatus(X) during normal operation

(AS=0), except the LcStatus(X), will always have a bit set (see 7.6 Appendix

F –Status Codes) stating that LcSignal(X) is NOT selected (i.e. normal oper-

ation NOT selected).

LcData(X) will contain LcSerialNumber(X) in the double word instead of

LcSignal(X) which is transferred during normal operation (AS=0). The

LcSerialNumber(X) is the serial number from load cell X. The

LcSerialNumber(X) is transferred as a 7 digit decimal number, and has the

format YYXXXXX corresponding to the serial number (YY-XXXXX) marked on

the load cell itself.

3.1.6 Input data (LcCapacity, AS=4)

This chapter describes the input data when the Actual Value Selector (AS) is

set to 4during transfer of LcCapacity(X). The 26 input data bytes (from the

4x50 unit) are structured exactly like during normal operation (AS=0), except

for the differences listed in the following:

LcRegister is 100% identical to LcRegister during normal operation (AS=0),

except the AS will be set to 4.

LcStatus(X) is 100% identical to LcStatus(X) during normal operation

(AS=0), except the LcStatus(X), will always have a bit set (see 7.6 Appendix

F –Status Codes) stating that LcSignal(X) is NOT selected (i.e. normal oper-

ation NOT selected).

LcData(X) will contain LcCapacity(X) in the double word instead of

LcSignal(X) which is transferred during normal operation (AS=0). The

LcCapacity(X) is the capacity of the load cell in internal divisions. In order to

get the load cell capacity in SI units as stated on the load cell itself, the

LcExponent(X) must be taken into account.

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