Mitsubishi Electric MELDAS C6 User manual

CNC

C6/C64/C64T

PLC INTERFACE MANUAL

BNP-B2261E(ENG)

MELDAS is a registered trademark of Mitsubishi Electric Corporation.

Other company and product names that appear in this manual are trademarks or

registered trademarks of the respective company.

Introduction

This manual describes the various signal interfaces and functions required when

creating MELDAS C6/C64/C64T sequence programs (built-in PLC).

Read this manual thoroughly before programming.

Thoroughly study the "Safety Precautions" on the following page to ensure safe use of

the MELDAS C6/C64/C64T.

Details described in this manual

CAUTION

For items described in "Restrictions" or "Usable State", the instruction manual

issued by the machine manufacturer takes precedence over this manual.

Items not described in this manual must be interpreted as "not possible".

This manual is written on the assumption that all option functions are added.

Refer to the specifications issued by the machine manufacturer before starting

use.

Some screens and functions may differ or may not be usable depending on the

NC version.

General precautions

The following documents are available as documents related to the contents of

this manual. Refer to these as required.

(1) MELDAS C6/C64 PLC Programming Manual

(Ladder section with MELSEC tool)..... BNP-B2309

(2) MELDAS C6/C64 Network Manual................................... BNP-B2373

Precautions for Safety

Always read the specifications issued by the machine manufacturer, this manual,

related manuals and attached documents before installation, operation, programming,

maintenance or inspection to ensure correct use. Understand this numerical controller,

safety items and cautions before using the unit.

This manual ranks the safety precautions into "DANGER", "WARNING" and "CAUTION".

When there is a great risk that the user could be subject to

fatalities or serious injuries if handling is mistaken.

When the user could be subject to fatalities or serious

injuries if handling is mistaken.

When the user could be subject to injuries or when physical

damage could occur if handling is mistaken.

Note that even items ranked as "

CAUTION" may lead to major results depending

on the situation. In any case, important information that must always be observed is

described.

DANGER

There are no "Danger" items in this manual.

WARNING

1. Items related to prevention of electric shocks

Do not operate the switches with wet hands, as this may lead to electric shocks.

Do not damage, apply excessive stress, place heavy things on or sandwich the

cables, as this may lead to electric shocks.

CAUTION

1. Items related to product and manual

For the items described in the "Restrictions" and "Usable State", the instruction

manual issued by the machine manufacturer takes a precedence over this

instruction manual.

Items not described in this manual must be interpreted as "not possible".

This instruction manual has been written on the assumption that all options are

provided.

Check the specifications issued by the machine manufacturer before starting use.

Some screens and functions may differ or may not be usable depending on the

NC system version.

2. Items related to connection

When using an inductive load such as relays, always contact a diode in parallel to

the load as a noise measure.

When using a capacitive load such as a lamp, always connect a protective

resistor serially to the load to suppress rush currents.

DANGER

WARNING

CAUTION

3. Items related to design

Always turn the spindle phase synchronization complete signal ON before

chucking both ends of the workpiece to the basic spindle and synchronous

spindle. If the spindle phase synchronization signal is turned ON when both ends

of the workpiece are chucked to the basic spindle and synchronous spindle, the

chuck or workpiece could be damaged by the torsion that occurs during phase

alignment.

If the temperature rise detection function is invalidated with the parameters, the

control could be disabled when the temperature is excessive. This could result in

machine damage or personal injuries due to runaway axis, and could damage the

device. Enable the detection function for normal use.

CONTENTS

1. OUTLINE ......................................................................................................... 1-1

2. SYSTEM CONFIGURATION .......................................................................... 2-1

2.1 Relation of RIO Unit and Devices .......................................................... 2-2

2.1.1 DIO Specification Setting Switch ............................................... 2-3

2.1.2 Rotary Switch for Channel No. Setting ...................................... 2-4

2.1.3 Relation of Connector Pins and Devices ................................... 2-5

2.2 Outline of Digital Signal Input Circuit ..................................................... 2-7

2.3 Outline of Digital Signal Output Circuit .................................................. 2-9

2.4 Outline of Analog Signal Output Circuit ................................................. 2-10

2.5 Outline of Analog Signal Input Circuit...................................................... 2-10

2.6 Fixed Signals ......................................................................................... 2-11

2.6.1 Ignoring Fixed Signals ............................................................... 2-11

2.6.2 Changing the Addresses of Fixed Signals ................................. 2-12

2.7 Flow of Signals ...................................................................................... 2-13

2.8 List of Devices Used .............................................................................. 2-14

2.9 File Register General Map ..................................................................... 2-15

3. INPUT/OUTPUT SIGNALS WITH MACHINE ................................................. 3-1

3.1 How to Read Input/Output Signal Table ................................................ 3-1

3.2 Classification of Machine Input/Output Signals ..................................... 3-2

3.3 Allocation of Machine Input/Output Signals ........................................... 3-2

4. TABLE OF INPUT/OUTPUT SIGNALS WITH CONTROLLER ...................... 4-1

4.1 How to Read Input/Output Signal Table ................................................ 4-1

4.2 Classification of Input/Output Signals with Controller ............................ 4-2

5. OTHER DEVICES ........................................................................................... 5-1

5.1 Devices .................................................................................................. 5-1

6. EXPLANATION OF INTERFACE SIGNALS .................................................. 6-1-1

6.1 PLC Input Signals (Bit Type: X***) ......................................................... 6-1-2

6.2 PLC Input Signals (Data Type: R***) ..................................................... 6-2-1

6.3 PLC Output Signals (Bit Type: Y***) ...................................................... 6-3-1

6.4 PLC Output Signals (Data Type: R***) .................................................. 6-4-1

6.5 Explanation of Special Relay/Register Signals (SM**, SD**) ................. 6-5-1

6.6 Signals Related to Communication ......................................................... 6-6-1

7. SPINDLE CONTROL ...................................................................................... 7-1

7.1 Outline of Functions ............................................................................... 7-1

7.1.1 Related Parameters .................................................................. 7-1

7.1.2 Connection Method ................................................................... 7-1

7.1.3 Flow of Spindle (S) Data............................................................. 7-2

1. OUTLINE

1-1

1. OUTLINE

This manual is prepared to assist you to understand the various control signals necessary for

creating the built-in sequence for the MELDAS C6/C64/C64T.

The manual is composed as shown below. Refer to related sections as necessary to gain the

maximum benefit from the manual.

(Caution)

Please note that the specifications referred to in the text represents the maximum

specifications which include also those under development.

Spindle

control

Explanation of

interface

signals

Device

Input : X, R

Output: Y, R

Others:

Explanation of

devices

Blank tables

for user

Table for input/

output signals

with controlle

Table for input/

output signals

with machine

System

configuration

PLC Interface

Manual

(cover)

2. SYSTEM CONFIGURATION

2-1

2. SYSTEM CONFIGURATION

DC24VINSERVO1SERVO2

ENCHANDLE

SIOTERMINAL

ICCARD

SKIP

DC24VINSERVO1SERVO2

ENCHANDLE

SIOTERMINAL

ICCARD

SKIP

(Note) Refer to the following document for details on the PLC development with the MELSEC PLC

development tool.

MELDAS C6/C64 PLC Programming Manual

(Ladder section with MELSEC tool) .................... BNP-B2309

Remote I/O unit

DX1**

ROM built in

main unit

C6/C64

Control unit

Max. 8 units

Machine control signals

Sensor

Max. 4 channels

(X418 to X41B)

Remote I/O unit

DX1**

Machine control signals

Max. 8 units

Max. input: 256 points

(X000 to X0FF)

Max. output: 256 points

(Y000 to Y0FF)

Manual pulse

generator

MELSEC PLC

development tool

RS-232C

RS-422

Built-in DI : 16 points(X400 to X40F)

Built-in DO : 1 point (Y400)

Expansion DI: 32 points

Expansion DO: 32 points

Analog output: 1 point

(Note) The expansion DIO unit is an

tion.

RIO-M

RIO-M/S

Extension DIO card

Max. 2 cards

Max. input: 256 points

(X100 to X1FF)

Max. output: 256 points

(Y100 to Y1FF)

Remote I/O unit

DX1**

Personal computer Display/

Commu-

nication Communication

terminal

Operation

panel, etc.

Other C6/C64

control unit

Personal computer

…………

Ethernet

2. SYSTEM CONFIGURATION

2.1 Relation of RIO Unit and Devices

2-2

2.1 Relation of RIO Unit and Devices

The remote I/O units (hereafter RIO unit) connected to the RIO-M or RIO-M/S have different

specifications respectively as shown below. Each unit has a rotary switch for setting the unit No.,

and for establishing a relation with the device No. (X, Y).

FCU

-DX10

Front view

FCU

-DX11

FCU

-DX12FCU

-DX13FCU

-DX14

(Front)

Bottom

view

1 DI-L (machine input signal connector)

2 DS (baud rate changeover switch)

3 CS (station No. changeover switch)

4 DO-L (machine output signal connector)

5 RIO1 (serial connection connector #1)

6 RIO2 (serial connection connector #2)

7 DCIN (24VDC(+) power input connector)

8 DI-R (machine input signal connector)

9 DO-R (machine output signal connector)

10 HANDLE (manual pulse generator signal input connector)

11 AIO (analog signal input/output connector)

For changeover of baud rate.

Normally set to left side.

Not used

Selection of station No.

Enlarged drawing of DS and CS

2567

Front view Front view Front view

(Front) (Front) (Front)

Bottom

view Bottom

view

(Back) (Back) (Back) (Back)

2. SYSTEM CONFIGURATION

2.1 Relation of RIO Unit and Devices

2-3

No. of remote I/O unit input/output points

Unit model Compatible machine control signal Left Right Total

DX10*

(FCUA-DX10*) Digital input signal (DI) (Photocoupler insulation)

Digital output signal(DO) (Non-insulated) 32 points

32 points — 32 points

32 points

DX11*

(FCUA-DX11*) Digital input signal (DI) (Photocoupler insulation)

Digital output signal(DO) (Non-insulated) 32 points

32 points 32 points

16 points 64 points

48 points

DX12*

(FCUA-DX12*) Digital input signal (DI) (Photocoupler insulation)

Digital output signal(DO) (Non-insulated)

Analog output (AO)

32 points

—

32 points

16 points

1 point

64 points

48 points

1 point

DX14*

(FCUA-DX14*) Digital input signal (DI) (Photocoupler insulation)

Digital output signal(DO) (Non-insulated)

Analog input (AI)

Analog output (AO)

32 points

—

4 points

1 point

32 points

4 points

1 point

(Note)

The * mark in the table is 0 when the output is a sink type, and is 1 when the output is a

source type. The input is changeable.

2.1.1 DIO Specification Setting Switch

This switch is not used currently, and must always be set to OFF.

OFF

Front view

View from A direction

* Use at OFF.

DIO specification setting switch

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