RKC INSTRUMENT COM-ML-4 Manuale utente

IMR02E20-E2

RKC INSTRUMENT INC.

PROFINET

Communication Converter

CO

M

-

M

L

Instruction Manual

[For SRZ]



NOTICE

 SIMATIC is a registered trademark of SIEMENS AG.

 Modbus is a registered trademark of Schneider Electric.

 The name of each programmable controller (PLC) means the products of each manufacturer.

 Company names and product names used in this manual are the trademarks or registered

trademarks of the respective companies.

 This manual assumes that the reader has a fundamental knowledge of the principles of

electricity, process control, computer technology and communications.

 The figures, diagrams and numeric values used in this manual are only for explanation

purpose.

 RKC is not responsible for any damage or injury that is caused as a result of using this

instrument, instrument failure or indirect damage.

 RKC is not responsible for any damage and/or injury resulting from the use of instruments

made by imitating this instrument.

 Periodic maintenance is required for safe and proper operation of this instrument. Some

components have a limited service life, or characteristics that change over time.

 Every effort has been made to ensure accuracy of all information contained herein. RKC

makes no warranty, expressed or implied, with respect to the accuracy of the information.

The information in this manual is subject to change without prior notice.

 No portion of this document may be reprinted, modified, copied, transmitted, digitized, stored,

processed or retrieved through any mechanical, electronic, optical or other means without

prior written approval from RKC.

IMR02E20-E2 i-1

Safety Precautions

 Pictorial Symbols (safety symbols)

Various pictorial symbols are used in this manual to ensure safe use of the product, to protect

you and other people from harm, and to prevent damage to property. The symbols are

described below.

Be sure you thoroughly understand the meaning of the symbols before reading this manual.

:

This mark indicates precautions that must be

taken if there is danger of electric shock, fire,

etc., which could result in loss of life or injury.

:

This mark indicates that if these precautions

and operating procedures are not taken,

damage to the instrument may result.

: This mark indicates that all precautions

should be taken for safe usage.

 To prevent injury to persons, damage to the instrument and the equipment, a

suitable external protection device shall be required.

 All wiring must be completed before power is turned on to prevent electric

shock, fire or damage to the instrument and the equipment.

 This instrument must be used in accordance with the specifications to prevent

fire or damage to the instrument and the equipment.

 This instrument is not intended for use in locations subject to flammable or

explosive gases.

 Do not touch high-voltage connections such as power supply terminals, etc. to

avoid electric shock.

 RKC is not responsible if this instrument is repaired, modified or

disassembled by other than factory-approved personnel. Malfunction may

occur and warranty is void under these conditions.

IMR02E20-E2

i-2

● This product is intended for use with industrial machines, test and measuring equipment.

(It is not designed for use with medical equipment and nuclear energy plant.)

● This is a Class A instrument. In a domestic environment, this instrument may cause radio

interference, in which case the user may be required to take additional measures.

● This instrument is protected from electric shock by reinforced insulation. Provide reinforced

insulation between the wire for the input signal and the wires for instrument power supply,

source of power and loads.

● Be sure to provide an appropriate surge control circuit respectively for the following:

- If input/output or signal lines within the building are longer than 30 meters.

- If input/output or signal lines leave the building, regardless the length.

● This instrument is designed for installation in an enclosed instrumentation panel. All

high-voltage connections such as power supply terminals must be enclosed in the

instrumentation panel to avoid electric shock to operating personnel.

● All precautions described in this manual should be taken to avoid damage to the instrument or

equipment.

● If the equipment is used in a manner not specified by the manufacturer, the protection provided

by the equipment may be impaired.

● All wiring must be in accordance with local codes and regulations.

● To prevent instrument damage as a result of failure, protect the power line and the input/output

lines from high currents with a suitable overcurrent protection device with adequate breaking

capacity such as a fuse, circuit breaker, etc.

● A malfunction in this product may occasionally make control operations impossible or prevent

alarm outputs, resulting in a possible hazard. Take appropriate measures in the end use to

prevent hazards in the event of malfunction.

● Prevent metal fragments or lead wire scraps from falling inside instrument case to avoid electric

shock, fire or malfunction.

● Tighten each terminal screw to the specified torque found in the manual to avoid electric shock,

fire or malfunction.

● For proper operation of this instrument, provide adequate ventilation for heat dissipation.

● Do not connect wires to unused terminals as this will interfere with proper operation of the

instrument.

● Turn off the power supply before cleaning the instrument.

● Do not use a volatile solvent such as paint thinner to clean the instrument. Deformation or

discoloration may occur. Use a soft, dry cloth to remove stains from the instrument.

● Do not connect modular connectors to telephone line.



When disposing of each part used for this instrument, always follows the procedure for

disposing of industrial wastes stipulated by the respective local community.

For Proper Disposal

IMR02E20-E2

i-3

Symbols

 Pictorial Symbols (safety symbols)

: This mark indicates important information on installation, handling

and operating procedures.

: This mark indicates supplemental information on installation,

handling and operating procedures.

: This mark indicates where additional information may be located.

 Abbreviation symbols

These abbreviations are used in this manual:

Abbreviation

symbols

Name

Abbreviation

symbols

Name

PV Measured value TC (input) Thermocouple (input)

SV Set value RTD (input) Resistance temperature detector (input)

MV Manipulated output value V (input) Voltage (input)

AT Autotuning I (input) Current (input)

ST Startup tuning HBA Heater break alarm

OUT Output CT Current transformer

DI Digital input LBA Control loop break alarm

DO Digital output LBD LBA deadband

IMR02E20-E2

i-4

About This Manual

There are three manuals pertaining to this product. Please be sure to read all manuals specific to your

application requirements.

The following manuals can be downloaded from the official RKC website:

https://www.rkcinst.co.jp/english/download-center/

Manual

Number

Remarks

PROFINET Communication Converter

COM-ML [For SRZ] Installation Manual

IMR02E18-E This manual is enclosed with instrument.

This manual explains the mounting and wiring.

PROFINET Communication Converter

COM-ML [For SRZ] Host Communication Data List

IMR02E19-E This manual is enclosed with instrument.

This list is a compilation of the host communication

data items.

PROFINET Communication Converter

COM-ML [For SRZ] Instruction Manual

IMR02E20-E2

This manual you are reading now.

This manual describes mounting, wiring,

communication setting, protocol, communication

data, troubleshooting and product specification.

Read this manual carefully before operating the instrument. Please place the manual in a

convenient location for easy reference.

IMR02E20-E2

i-5

Contents

Page

NOTICE

Safety Precautions ............................................................................................................................... i-1

 Pictorial Symbols (safety symbols) .............................................................................................. i-1

WARNING ....................................................................................................................................... i-1

CAUTION ........................................................................................................................................ i-2

For Proper Disposal .............................................................................................................................. i-2

Symbols ................................................................................................................................................ i-3

 Pictorial Symbols (safety symbols) .............................................................................................. i-3

 Abbreviation symbols ................................................................................................................... i-3

About This Manual ................................................................................................................................ i-4

1. OUTLINE .............................................................................. 1

1.1 Checking the Product ..................................................................................... 2

1.2 Model Code .................................................................................................... 3

1.3 Parts Description ............................................................................................ 4

2. HANDLING PROCEDURES ................................................ 6

3. MOUNTING .......................................................................... 7

3.1 Mounting Cautions .......................................................................................... 7

3.2 Dimensions ..................................................................................................... 9

3.3 DIN Rail Mounting .......................................................................................... 9

3.4 Panel Mounting ............................................................................................. 11

4. WIRING .............................................................................. 12

4.1 Wiring Cautions ............................................................................................ 12

4.2 Terminal Configuration ................................................................................. 13

4.3 Connection to PROFINET............................................................................. 14

4.4 Connection to Host Computer ....................................................................... 16

4.4.1 When connected with RS-422A ............................................................................................... 16

4.4.2 When connected with RS-485 ................................................................................................. 18

4.4.3 Connections for loader communication ................................................................................... 20

IMR02E20-E2

i-6

Page

5. HOST COMMUNICATION SETTING ................................. 21

5.1 Address Setting ............................................................................................ 21

5.2 DIP Switch Setting ........................................................................................ 22

6. COMMUNICATION SETTING OF

FUNCTION MODULE ......................... 23

6.1 Address Setting of the Function Modules ..................................................... 23

6.2 Temperature Control Channel of the SRZ Unit ............................................. 24

6.3 Digital Input/Output Channel of Z-DIO Module ............................................. 25

6.4 Current Transformer (CT) Input Channel of Z-CT Module .............................. 26

7. INITIAL COMMUNICATION DATA SETTING ................... 27

7.1 PROFINET Communication Settings ............................................................ 27

7.2 Other Communication Data Settings ............................................................ 31

7.3 IP Address Setting ........................................................................................ 31

7.4 PROFINET Communication Specifications ................................................... 32

8. COMMUNICATION DATA LIST ......................................... 34

8.1 Reference to Communication Data List ........................................................ 34

8.2 Communication Data of COM-ML ................................................................. 36

8.3 Communication Data of Z-TIO Module ......................................................... 39

8.4 Memory Area Data Address of Z-TIO Module (only for Modbus) .................. 62

8.5 Communication Data of Z-DIO Module ......................................................... 64

8.6 Communication Data of Z-CT Module .......................................................... 69

9. USAGE EXAMPLE ............................................................. 72

9.1 Handling Procedures .................................................................................... 72

9.2 System Configuration ................................................................................... 73

9.3 Use Instruments Settings .............................................................................. 74

9.4 Initial Communication Data Settings ............................................................. 75

9.5 Tool Settings ................................................................................................. 76

9.6 PROFINET Communication .......................................................................... 92

IMR02E20-E2

i-7

Page

10. TROUBLESHOOTING .................................................... 101

11. SPECIFICATIONS .......................................................... 106

APPENDIX. HOST COMMUNICATION PROTOCOL .......... 110

A.1 Communication Requirements .................................................................... 110

A.2 RKC Communication Protocol .................................................................... 112

A.2.1 Polling procedures ............................................................................................................... 112

A.2.2 Selecting procedures ........................................................................................................... 118

A.2.3 Communication data structure ............................................................................................. 123

A.3 Modbus Protocol ......................................................................................... 125

A.3.1 Message format ................................................................................................................... 125

A.3.2 Function code ...................................................................................................................... 126

A.3.3 Communication mode .......................................................................................................... 126

A.3.4 Slave responses .................................................................................................................. 127

A.3.5 Calculating CRC-16 ............................................................................................................. 128

A.3.6 Register read and write ....................................................................................................... 131

A.3.7 Caution for handling communication data ........................................................................... 135

A.3.8 How to use memory area data ............................................................................................ 136

IMR02E20-E2

i-8

MEMO

IMR02E20-E2 1

1. OUTLINE

PROFINET communication converter COM-ML [For SRZ] (hereafter called COM-ML) is

communication converter to connect the RKC module type controller SRZ to the PROFINET.

This chapter describes features, package contents, model code, system configuration, etc.

 PROFINET

PROFINET is the Ethernet base industrial network standardized according to IEC 61158 and

IEC 61784. The COM-ML communication converter uses PROFINET IO and conforms to the RT

(Real-Time) communication.

 Host communication

Data send/receive is possible between the converter and the host computer through RKC

communication (ANSI X3.28-1976 subcategories 2.5 and B1) or Modbus.

 Function modules

Multi-zone temperature control system can be easily achieved by connecting functional modules

(Z-TIO, Z-DIO and Z-CT modules) of SRZ to COM-ML. The combination of COM-ML and

functional module of SRZ is called an SRZ unit.

Up to 30 function modules can be connected to one COM-ML.

(Connectable module: Z-TIO, Z-DIO and Z-CT)

For more details of the PROFINET, visit the website of PROFIBUS & PROFINET

International.

PROFIBUS & PROFINET International: https://www.profibus.com/

SRZ unit

Host

computer

Z-TIO, Z-DIO or Z-CT module

(Up to 30 modules)

PROFINET

RKC communication

Modbus

RS-485/RS-422A

PROFINET

communication converter

COM-ML (slave)

Programmable

controller (PLC)

(PROFINET master)

Host communication

PROFINET

1. OUTLINE

IMR02E20-E2

2

1.1 Checking the Product

Before using this product, check each of the following:

 Model code

 Check that there are no scratches or breakages in external appearance (case, front panel, or terminal,

etc.)

 Check that all of the items delivered are complete. (Refer to below)

Name Q’TY Remarks



COM-ML [For SRZ] Installation Manual

(IMR02E18-E)

1 Enclosed with instrument



COM-ML [For SRZ] Host communication Data List

(IMR02E19-E)

1 Enclosed with instrument



Joint connector cover KSRZ-517A 2 Enclosed with instrument



Power terminal cover KSRZ-518A 1 Enclosed with instrument



COM-ML [For SRZ] Instruction Manual

(IMR02E20-E2)

1 This manual (sold separately)

This manual can be downloaded from the official

RKC website:

https://www.rkcinst.co.jp/english/download-center/



GSDML file* 1 Download

This file can be downloaded from the official RKC

website:

https://www.rkcinst.co.jp/english/

field_network_category/profinet/

* The GSDML file is used for recognition of the COM-ML on PROFINET in the configuration tool (software

for environment settings and creating programs).

If any of the products are missing, damaged, or if your manual is incomplete, please contact

RKC sales office or the agent.

 Accessories (sold separately)

Name Q’TY Remarks



End plate DEP-01 2 Secures the SRZ on the DIN rail



Communication converter COM-K2-1 1 For loader communication

(Option: with loader communication cable)



Communication converter COM-KG-1N 1



Connection cable (W-BF-01-, : cable length)

[Standard cable length: 3000 mm]

1 For host communication

Terminal treatment:

Modular connector and Spade lug terminal



Connection cable (W-BF-02-, : cable length)

[Standard cable length: 3000 mm]

1 For host communication

Terminal treatment:

Modular connectors (at both ends)



Connection cable (W-BF-28-, : cable length)

[Standard cable length: 3000 mm]

1 For host communication

Terminal treatment:

Modular connector and D-sub 9-pin connector

1. OUTLINE

IMR02E20-E2

3

1.2 Model Code

Check whether the delivered product is as specified by referring to the following model code list.

If the product is not identical to the specifications, please contact RKC sales office or the agent.

(1) Network communication

4: PROFINET

(2) Host communication

4: RS-422A

5: RS-485

(3) Corresponding to the RKC controller

02: SRZ

COM- ML - 4 □ 02

(1) (2) (3)

1. OUTLINE

IMR02E20-E2

4

1.3 Parts Description

 COM-ML main unit

 Indication lamps

FAIL/RUN [Green or Red]

 When normal: A green lamp is on

 Self-diagnostic error (Recoverable fault): A green lamp flashes

 Self-diagnostic error (Major fault): A red lamp is on

RX/TX [Green]

During host communication data send and receive: A green lamp turns on

NS (Network status)

[Green or Red]

 No power or No connection with IO Controller: Turns off

 Online (RUN)

Connection with IO Controller established or IO Controller in RUN state:

A green lamp is on

 Online (STOP)

Connection with IO Controller established, IO Controller in STOP state

or IO data bad: A green lamp is 1 flash *

 Used by engineering tools to identify the node on the network

A green lamp blinking

 Module error: A red lamp is on

 Station Name not set: A red lamp is 1 flash *

 IP address not set: A red lamp is 2 flashes *

 Expected Identification differs from Real Identification:

A red lamp is 3 flashes *

Link/Activity (Port 1/Port 2)

[Green]

 No link, no communication present: Turns off

 Ethernet link established, no communication present: A green lamp is on

 Ethernet link established, communication present: A green lamp flickering

MS (Module status)

[Green or Red]

 No power: Turns off

 Normal operation: A green lamp is on

 Diagnostic event(s) present: A green lamp is 1 flash *

 Major fault: A red lamp is on

* The following flashing sequence is repeated

3 flashes:

0 250 500 750 1000 1250 1500 1750 2000 (ms)

ON OF ON ON OF OF

1 flash:

0 250 500 750 1000 (ms)

ON OF

2 flashes:

0 250 500 750 1000 1250 1500 (ms)

ON OF ON OF

Left side view

DIP switch

Front view

Base

Loade

r

communication

connecto

r

Indication lamp RX/TX

Indication lamp FAIL/RUN

Host communication

address setting switch

Communication

port

COM. PORT

Indication lamp Link/Activity

(Port 1)

PROFINET connector

(Port 1)

Indication lamp MS

COM-ML

FAIL/RUN

LOADER

RX/TX

NS MS

Indication lamp NS

Indication lamp Link/Activity

(Port 2)

PROFINET connector

(Port 2)

PROFINET IO

1. OUTLINE

IMR02E20-E2

5

 Communication port (modular connector) and communication connector

COM. PORT Use to connecting the Operation panel or Host computer. [RS-485 or RS-422A]

Loader communication connector Use to connecting the communication converter and personal computer when

loader communication is performed.

PROFINET connector

(Port 1/Port 2)

Use to connecting the PROFINET.

 Switch

Host communication address

setting switch

Sets unit address for host communication.

DIP switch

 Sets the communication speed and communication protocol corresponding to

host communication.

 Sets DIP switch setting validity/invalidity.

 Base

Mounting holes (M3 screw)

Holes for screws to fix the base to a panel, etc.

Customer must provide the M3 screws.

Joint connector

Used to mechanically and electrically connect each function module.

Power supply terminals

These are terminals to supply power to the COM-ML and joined function modules.

Terminal number Signal name

4 24 V DC (+)

5 24 V DC ()

Mounting bracket

Used to fix the COM-ML on DIN rails and also to fix each module joined together.

Power supply

terminals

Joint connector

Mounting

bracket

Front Rear

Mounting holes (M3 screw)

6 IMR02E20-E2

2. HANDLING PROCEDURES

Conduct necessary setting before operation according to the procedure described below.

Mounting

Install the COM-ML.

 Refer to 3. MOUNTING (P. 7).

 For controller (SRZ), refer to Z-TIO Instruction Manual

(IMS01T01-E), Z-DIO Instruction Manual (IMS01T03-E)

and Z-CT Instruction Manual (IMS01T16-E).

Host communication

settings

Wiring

Controller (SRZ) settings

PROFINET

communication settings

The address, communication speed, communication protocol, data bi

t

configuration, and DIP switch setting validity/invalidity of hos

t

communication are set only when host communication is used in the

COM-ML.

Refer to 5. HOST COMMUNICATION SETTINGS (P. 21).

Connect power wiring to the COM-ML, make wiring to the controller

(SRZ), and connect the COM-ML and the PLC to PROFINET. Connect

the wiring for host communication or loader communication in the

COM-ML.

 Refer to 4. WIRING (P. 12)

 For controller (SRZ), refer to Z-TIO Instruction Manual

(IMS01T01-E), Z-DIO Instruction Manual (IMS01T03-E)

and Z-CT Instruction Manual (IMS01T16-E).

Set the communication setting of controller (SRZ).

 Refer to 6. COMMUNICATIOM SETTING OF

FUNCTION MODULE (P. 23).

 For controller (SRZ), refer to Z-TIO Host Communication

Quick Instruction Manual (IMS01T02-E), Z-DIO

Instruction Manual (IMS01T03-E) and Z-CT Instruction

Manual (IMS01T16-E).

Configure initial settings for PROFINET communication.

 Refer to 7.1 PROFINET Communication Settings (P. 27).

 Refer to 7.4 PROFINET Communication Specifications

(P. 32).

 Refer to 9.5 Tool Settings (P. 76).

Other communication

data settings

Set the data for the COM-ML and controller (SRZ).

 Refer to 7.2 Other Communication Data Settings (P. 31).

 Refer to 8. COMMUNICATION DATA LIST (P. 34).

PROFINET

communication

Execute PROFINET communication.

 Refer to 7.1 PROFINET Communication Settings (P. 27).

 Refer to 7.4 PROFINET Communication Specifications

(P. 32).

 Refer to 9.5 Tool Settings (P. 76).

 Refer to 9.6 PROFINET Communication (P. 92).

IMR02E20-E2 7

3. MOUNTING

This chapter describes installation environment, mounting cautions, dimensions and mounting procedures.

3.1 Mounting Cautions

(1) This instrument is intended to be used under the following environmental conditions.

(IEC 61010-1) [POLLUTION DEGREE 2]

(2) Use this instrument within the following environment conditions:

 Allowable ambient temperature: 10 to 50 C (14 to 122 °F)

 Allowable ambient humidity: 5 to 95 %RH

(Absolute humidity: MAX. W. C 29.3 g/m

3

dry air at 101.3 kPa)

 Installation environment conditions: Indoor use

Altitude up to 2000 m

(3) Avoid the following conditions when selecting the mounting location:

 Rapid changes in ambient temperature which may cause condensation.

 Corrosive or inflammable gases.

 Direct vibration or shock to the main unit.

 Water, oil, chemicals, vapor or steam splashes.

 Excessive dust, salt or iron particles.

 Excessive induction noise, static electricity, magnetic fields or noise.

 Direct air flow from an air conditioner.

 Exposure to direct sunlight.

 Excessive heat accumulation.

(4) Mount this instrument in the panel considering the following conditions:

 Provide adequate ventilation space so that heat does not build up.

 Do not mount this instrument directly above the equipment that generates large amount of heat

(heaters, transformers, semi-conductor functional devices, large-wattage resistors.)

 If the ambient temperature rises above 50 C (122 °F), cool this instrument with a forced air fan,

cooler, or the like. Cooled air should not blow directly on this instrument.

 In order to improve safety and the immunity to withstand noise, mount this instrument as far away

as possible from high voltage equipment, power lines, and rotating machinery.

High voltage equipment: Do not mount within the same panel.

Power lines: Separate at least 200 mm

Rotating machinery: Separate as far as possible

 For correct functioning mount this instrument in a horizontal position.

To prevent electric shock or instrument failure, always turn off the power before

mounting or removing the instrument.

3. MOUNTING

IMR02E20-E2

8

 Space required between each module vertically

When the module is mounted on the panel,

allow a minimum of 50 mm at the top and

bottom of the module to attach the module to

the main unit.

 Depth for modular cables mount type module

Space for modular cables must be considered

when installing.

 It is recommended to use a plastic cover on the connector on both sides of the mounted modules

for protection of connectors.

Joint connector cover

 Be sure the COM-ML and SRZ function modules (Z-TIO, Z-DIO and Z-CT modules) are joined

when using them.

(5) In case this instrument is connected to a supply by means of a permanent connection, a switch or

circuit-breaker shall be included in the installation. This shall be in close proximity to the

equipment and within easy reach of the operator. It shall be marked as the disconnecting device for the

equipment.

50 mm or more

COM

76.9 mm

Communication

cable

Approx.

50 mm

When mounting modules,

leave space at both ends for

covers.

3. MOUNTING

IMR02E20-E2

9

3.2 Dimensions

76.9

30 6.7

100

5

4.7

(Unit: mm)

3.3 DIN Rail Mounting

 Mounting procedures

1. Pull down the mounting bracket at the bottom of the module (A). Attach the hooks on the top of the

module to the DIN rail and push the lower section into place on the DIN rail (B).

2. Slide the mounting bracket up to secure the module to the DIN rail (C).

(B) Push

Mounting

bracket

DIN rail

(A) Pull down

(C) Locked

3. MOUNTING

IMR02E20-E2

10

 Module joining procedures

1. Mount the function modules on the DIN rail. Slide the modules until the modules are closely

joined together and the joint connectors are securely connected.

2. Push in the mounting brackets to lock the modules

together and fix to the DIN rail.

After module joining, install a

plastic cover on the

connector on both sides of the mounted modules

for protection of connectors. (Refer to P. 8)

To firmly fix the modules, use end plates (DEP-01)

sold separately on both sides of the mounted

modules. When mounting modules, leave space at

both ends for end plates.

 Removing procedures

1. Turn the power OFF.

2. Remove the wiring.

3. Pull down a mounting bracket with a

slotted screwdriver (A). Lift the

module from bottom, and take it off

(B).

(Front view of module main unit)

Joint connector

Function module

COM-ML

(Rear view of base)

Push in all of the mounting brackets.

Mounting

bracket

State where each

module is locked.

(A) Pull down

(B) Lift and take off

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