Mitsubishi MELSEC-A, A1SD62, A1SD62E, A1SD62D User Manual

REVISIONS

*The

*Mtanual

IB

(NA)

66593-A

Number

First

edition

[Cautions on Design]

0''

I

0

An

external output transistor failure may keep external monitoring circuit for result

0

Do not bundle control lines or communication wires together with main circuit or power lines, or lay them close As a guide, separate the lines by a distance of at least

malfunctions may occur due

[Cautions on Mounting]

0

Use

the manual.

Using the PC in environments outside the ranges stated

specifications will cause electric shock, fire, malfunction, or damage to/deterioration of the product.

in

serious accidents.

A

the PC in an environment that conforms

DANGER

output

A

CAUTION

to

noise.

CAUTION

output

signals whose incorrect execution could

these lines.

to

ON

or

OFF.

150

mm, otherwise

the general specifications in

in

the general

Add an

0

Make

sure that the module fixing projection on the base of the module is

properly engaged in the module fixing hole in the base unit before mounting the module.

Failure

the module falling.

to

mount the module properly will result in malfunction or failure, or in

[Cautions on Wiring]

Q

1

CAUTION

Ground grounding). Otherwise, malfunctioning

Carry out wiring

arrangement of the product.

Using a power supply that does not conform

out wiring incorrectty, will *cause fire or failure.

Input voltage in excess of the voltage set

Tighten the terminal screws

Loose

Make sure that no foreign matter such as chips or wiring offcuts gets inside module.

[Cautions on Startup and Maintenance]

Do

This

Switch the power off before cleaning or re-tightening terminal screws. Carrying out of the module.

he

shield wire to the encoder

to

screws will cause

It

will

cause fire, failure or malfunction.

not

touch

terminals while the power is

will

cause malfunctions.

this

work while the power is

@lay

the PC correctly, checking the rated voltage and terminal

to

the stipulated torque.

short

circuits, fire, or malfukctions.

@

DANGER

box)

(using class 3 or higher class

wilt

result.

to

the rated voltage, or carrying

by

the setting pin will cause failures.

ON.

ON

will cause failure or malfunction

the

A

CAUTION

Do

not disassemble or modify any module.

This will cause failure, malfunction, injuries, or fire.

Switch the power

Mounting or removing the module.

[Cautions on Disposal]

Dispose of this product as industrial waste.

OFF

before mounting or removing

it

with the power

A

CAUTION

ON

the

module.

can cause failure or malfunction of

INTRODUCTtON

Thank you for choosing the Mitsubishi MELSEC-A Series lers. Please read this manual carefully

to

manual should be forwarded

the end User.

so

that the equipment

of

General Purpose Programmable Control-

is

used

to

its

optimum. A copy

of

this

,

..

.

1 . INTRODUCTION

.......................................................

..

1-1-1-2

1.1 Features

2

.

SYSTEM

3

.

SPECIFICATIONS

3.1 General Specifications

3.2 Performance Specifications

3.3 Functions

3.4 Interfaces with External Devices

3.5 I/O Signals fromho the PC CPU

3.6 Buffer Memory Allocation

3.7 Applicable Encoders

4 . INSTALLATION AND PRE-OPERATION SElllNG PROCEDURE

4.1 Pre-Operation Setting Procedure

4.2 Handling Precautions

4.3 Part Names and Settings

4.4 Wiring

CONFIGURATION

4.4.1 Wiring preconditions

4.4.2 Wiring example for the connection with the open collector

4.4.3 Wiring example for the connection of a controller

4.4.4 Wiring examples at external output terminals

................................

:

..............................

............................................

..................................................

...............................................

.............................................................

...........................................

...............................................

...................................................

..........................................

....................................................

................................................

...............................................................

..............................................

output pulse generator input terminals (PRESET and FSTART)

............................................

to

external

.............................

(EQUs

1

2 . 1 . 2 . 1

-3-

.............

to

2)

..............

4 . 1

1

- 3 -

.

1 - 2

12

3

-

1

3 - 2 3-5 3 - 6 3

-

9

3 - 11 3 - 12

4 . 12

4 - 1 4 - 2 4 - 3 4-7 4

-

7

4

-

8

4 - 11

4 - 12

5 . PULSE INPUTANDCOUNTING METHOD

5.1

Single-phase Pulse Input

5.2 Counting at 2-Phase Pulse Input

5.3 Reading the Present Value

6

.

EXECUTING THE COINCIDENCE OUTPUT FUNCTION

6.1 Coincidence Output Function

6.1.1 Coincidence output function operation

6.1.2 Program examples

7

.

EXECUTING THE PRESET FUNCTION

7.1 PresetFunction

7.2 Preset Using the Sequence Program

7.2.1 Executing the preset function using the sequence program

7.2.2 Example program

7.3 Preset

7.3.1 When the preset is executed

by

........................................................

External Input

................................................

...............................................

.............................................

...............................................

................................................

.................................................

.................................

...........................................

..................................

.......................................

by

external control signal

5-1

-5-8

5

-

3

5

-

4

5

-

5

......................

................................

................

...................

6

. 1 . 6 .

7

. 1 . 7 .

6

-

1

6 - 2 6 - 3

11

7-1 7 - 2 7 - 2 7 - 3 7 - 7 7 - 7

8

.

EXECUTING

8.1

Ring Counter Functio’n

8.1.1

8.1.2

8.2

Example Program

9

.

SELECTING ‘AND EXECUTlNG THE

9.1

Selecting. a Counter Function

9.1.1

9.1.2

9.2

Count Disable Function

9.2.1.

9.3

Latch Counter Function

9.3.1

9.4

Sampling Counter Function

9.4.1

9.5

Periodic Pulse Counter Function

9.5.1

THE

RING

COUNlERFUWTlffl

I-

Ring counter function operation Countrange

......................................................

Reading the counter function selection count value Counterrors

Example program

Example

Example program

program

...........

.............................

...........

....................................................

...............................................

....................................................

..................................................

................................................

..............

...............................................

..............................................

...............................................

,

......................................

.....................................

COUMZR

FUNCTION

.................

......................

...

..................................

..........................................

..........

8

9

.

7

-

1

. 8 .

8 8

8-3 8

.

1

.

9

.

9 -1 9

9-6

9 9

9 - 12

9 - 13

9 - 17

9 - 18 9 - 22

9 - 24

.8

8

-1

-2

-5

27

-3

-7

-8

10 . PRO.GR.4MMING

A

REMO=’I~O

11.1

Errorlnformation

Counter Value is Incorrect

1 1.2

11.3

Count Cannot be Made

APPENDIX 1 PERFORMANCE COMPARISON BETWEEN THE

THE

APPENDIX 2 EXTERNAL DIMENSIONS

FOR

STATION

AlSD61.

USING THE AlSD62(ElD) WITH

............................................

......................................................

...............................................

.................................................

AlSD62(E/D).

AND THE AD61

(Sl)

...................................

.........................................

.IO

- I -

IO

11-1 11

11 - 2

APP APP

-

. .

3

2

1

3

1

INTRODUCTION

1.

INTRODUCTION

MELSEC-A

This user’s manual describes ming of

(hereinafter called the AlSD62(E/D))

MELSEC-A series CPU module (hereinaftei called the PC CPU). The AlSD62, AlSD62E and AlSD62D are a Dq-inpupsink output type, a

DC input source output type and a differential ,input sink output type, respectively.

The maximum

(A1 SD62D).

The A1 SD62(OD) counts single-phase and 2-phase pulse inputs as shown below:

the

Al-SD62/Al

counting

Single-phase pulse input multiplied by one

.........

Counts at the leading

Single-phase pulse input multiplied by

.........

Counts at the leading edge and trailing edge of the pulse.

2-phase pulse input multiplied by one

........

,Counts at the leading edge or trailing edge of the phase

pulse.

2-phase pulse input multiplied by two

the

spsqifications, handling and prqqrgm-

&fZWAfSb62D

speed

ia

100

kpps

type

to

be-used

(A,ISD62(E))

edge

two

htgh-s$&d

in

combination with a

or

trailing edge of the pulse.

eounter thbdute

or

200

kpps

A

.........

Counts

pulse.

2-phase pulse input multiplied by four

.........

Counts at the leading edge and trailing edge of the phase and phase B pulses.

at

the

leading edge and trailing edge

of

the phase

A

1-1

1.

INTRODUCTION

MElSEC-A

The following diagram outlines how the AlSD62(E/D) operates.

(4)

I/O

signal

bufbr memory

A1 SD62 A1 SD62E Ai SD62D

(1

1

CHI

(2)

.

(3)

Coincidence output

(2

points)

function selection

Pulse generator

I

Encoder

8

I

Controller

(1) Input pulses to the

(2)

The preset or counter function can

(3)

The pulse

and a slgnat is Issued accordlngly.

(4)

The sequence pro ram helps confirm the

A1

preset the counter.

I

,

I

SD62IAlSD628AI SD620

Pulse

m

External control

signal

-

Pmset/Counter function selection

A1 SD62/A1 SD62WA1 SD62D

is

compared as a coincidence output with the present count value,

rn

and

______.

(1

1

CH2

are counted.

be

selected with an external control signal.

I/O

the

buffer

signals

rhemory

of

status, and start, stop and

~

the

(3)

Coincidence output

(2

points)

1-2

1.1

Featuree

The following are the features of the AlSD62(E/D):

Pulses can be counted in a wide range from

The count value is stored in 24-bit binary.

The count value can be multiplied

Multiplication inputs, or multiplication

The maximum counting speed can

4.3). Since a maximum cogoting speed of either selected with the accurate pulse counting

ing edge.

Coincidence output .is available ON/OFF signals are issued according preset output status of a selected channel and the present counter value.

One

module can accept two inputs, and issues

which can

A

ring counter function Counting repeats between the preset value and the ring counter value, and this function

by

either one or two can

by

one, two

AlI8D62(E),

is

possible even with a slow leading edgehail-

serh

as upper and lower limit signals.

is

available

is

effective

(see

be

or

be

or

200 kpps or

(see

Section 6).

(see

in

contrdling fixed-pitch feed.

0

to

1677721

Section

selected for single-phase pulse

four for 2-phase pulse inputs.

switched (see Sections 3.2 and

,.

to

Section

5).

100

kpps or 10 kpps can be

10

kpps with the A1 SD62D,

the

comparison between the

two

outputs

8).

5.

to

one input,

Four counter functions are selectable

One of the following functions can be selected and used:

(a) Latch counter function

(b)

Sampling counter function

(c) Periodic pulse counter function

(d) Count disable function

The preset or counter function can signal

By

external terminal, the preset or counter function, respectively, can be executed. These functions can be used

(see

Section 7.3 and Section

applying voltage to the PRESET (preset) or F.START (function start)

.....................

..............

.....................

to

(see

Section

Latches the present counter value in response

Counts the incoming pulses within the preset period of time from signal input.

......

Stores the present and revious counter values at prese P Intervals during signal input.

Stops pulse counting with an input

signal while the count enabled command is executed.

be

selected with an external control

9).

eliminate the influence of scan time.

9).

to

an input signal.

n

1-3

2.

SYSTEM

..

'

,

2.

SYSTEM

CONFIGURATION

-

CONFIGURAVON

(1) Appilcable CPUs

*A1 SJCPU(S3) *A1 SCPU(S1) *A2SCPU(S1) *A2ASCPU(Sl/S30) *A5GCPU(T21 B) *A1 SCPUC24-R2

(2) Number mountable

MELsEGA

Any number of modules can be used, provided the number of

of

the

appilcable CPU is not exceeded.

(3) Available

Any

slots

slot

in the base unit can be used, provided the following considera-

tion is not a problem.

When mounting modules in an extension base unit that does not have power supply (A1 S52B(S1), A1 S55B(S1), A1 S58B(S1)),

the

power supply capacity may be insufficient. When mounting an AlSD62(E/D)

to

an extension base unit, and exten-

sion base unit after carefully considering the following factors:

the

1) Current capacity of

power supply module on the main base

unit

2) Voltage drop at

3) Voltage drop

the

main base unit

at

the extension base unit

4) Voltage drop in the extension cable

(4)

Data link system

In a data link system, the module can be mounted at a master station, local station, or remote station program, refer

I/O

station. For an example of a remote

to

the MELSECNET, MELSECNET/B

System Reference Manual.

I/O

Data

points

a

I/O

Link

For Details on the ranges for the number of to the following manuais:

A1 SJCPU (S3) User's Manual

AlS/AlSC24-FWMSCPU

APASCPU (Sl/SSO)

A52GCPU (T21

User's

8)

User's Manual

.........................................................

User's

Manual

................................................

....................................................

2-1

I/O

points, and on calculating voltage drops, refer

18-66446

.....................................

18-66320

18-66268

18-6641

9

3.

SPECIFICATIONS

3.1

General Specifications

Item

Operating ambient temperature

Storage

temperature

Operating ambient humidity

Storage ambient humidity

Vibration resistance

Shock resistance

ambient

This section describes the general specifications

the

performance specifications of

to

a

PC

Table

0

to

-20

10

-

10

'3

Conforms

JIs

IEC

Conforms directions)

CPU and buffer

3.1

gives

the

Table

55

to

75 "C

to

90% RH, no dewing

to

90%

B

3501

1131-2.

3.1

"C

RH,

no dewing

to

and

to

JIS B 3501 and IEC 1131-2. (147

memory.

general specifications

General Specifications

Frequency

to

150

In case

to

57

to 150

HZ

Hz,

HZ

57

Frequency

10

57

AlSD62(E/D), specifications of

of

the

A-series PC CPUs.

Spedflcattone

In case

Acceleration

I

9.8m/s2{lg}

of

continuous vibration

Acceleration

4.9m/s2{0.5g)

of

lntermlttent vibratlon

Amplitude

1

Amplitude

-

0.035

(0.0013inch)

m/s2

{lsg}, 3 times in each of three

of

the A-series PC CPUs,

I/O

signals

Sweep count

-

10 times in each

of

X,

Y

and

directions

(for

80

mm

-

2

minutes)

Operating atmosphere

Operating altitude

Installation site

Overvoltage category '1

Contamination level '2

*l

'2

'3

The atmosphere shall not contain corrosive gas.

2000 m (2187 yd.) or lower

Inside control panel

11 or lower

2 or lower

~~

Indicates the element in the distribution system between the public electricity grid and the mechanical equipment inside connected

Functions

,1

.

',

Functtan

,.

FOincideQCe.,QUtpIJt function

Preset

Ring counter

Count disable'

Latch counter

Counter function selection

function

Periodic pulse counter

counter

Table-3.4

Table

gives

the

functions

3.4.

functlon

of

the

AlSDGZ{E/D).

SpecUlcatlons

Descflptlon

Outputs an ON/OFF signal in a $pacified output status,

Changes the present value

The

pnset operation can be

or by

w.

external

Counting alternates between counter value.

Stqps

counting pulses while the qount enable command is ON.

Stores

the

counter function selection start command is input.

After inputting the signal of the counter function selection start

command, the input pulse is counted during a specified period

stored

and

While

inputting

command, the input pulses are stored in the buffer memory at specified intervals.

preset

present value of

in

the buffer memory.

the

signal

d

input.

the

of

done

the

he

counter.

either

,

the

counter when

aounter

by a sequence program

preset value and the ring

the

function

signal

of

eaJoction

the

start

Reference

Section

7

8

9.2

9.3

9.4

9.5

These functions can be used in conjunction. However, Counter function selection means that only one out of the four functions can be used.

3-5

3.

S.PECIFICATIONS

..

r

3.4

Interfaces with External

EIGA

Devices

Input/

output

Input

output

I

Tables 3.5, 3.6 and 3.7 and AlSD62D

Table

internal Clrcult

I

2.2k0

I

4.7kn

I

4.7k0

fi

show

a list

of

the

interfaces

with

external devices.

3.5

Interfaces with External Devices (AlSD62)

Input Voltage

Pulse input

voltage

setting pin

I

'yr\!'

19)

\-I

111)

(1 3) time 0.5

7

(1 4) input

15 EQU1 Operating voltage:

7)

(1

Signal

Name

Phase A pulse input

I

*4v

Phase A pulse input 12v OFF 4 V or lower 0.1 mA or lower

Phase A pulse input

I

COM

,

Phase

B

pulse input Phase

B

pulse input

12v OFF 4V or lower O.lmA or lower

Phase

B

pulse input

I

COM

1

COM Function

input 24V

Function start

input 5V

start

12V

OWOFF

- -

ON

OFF 5

ON

5v

24v

5v

OFF 2 V or lower O.lmA or lower

I

ON

OFF 5 V or lower 0.1 mA or lower

ON

OFF 2 V or lower 0.1 mA or lower

ON

OFF

ON

OFF

ON

OFF

Response OFF

ON

OFF

ON

OFF

ON

OFF 2 V

Response OFF

time

Rated current: 0.5 Npoint Maximum rush current: 4A 10ms Maximum voltage drop Response timer OFF'+

(Guaranteed (Guaranteed

~ ~ ~~~~

21.6

10.8

4.5

~~ ~~

21.6

10.8 to 13.2 V 2

4.5

I

21.6

I

5 V or lower

I

10.8

I

4 V or lower

I

4.5

I

2

21.6

5

10.8

4

4.5

0.5

I

Input voltage: 10.2 to Current consumption:

of

the

Ai

SD62,

Value)

to

26.4

V

or lower 0.1 mA or lower

to

13.2 V 2

to

5.5

v

to

26.4

V

to

5.5

v

to

26.4 V

to

13.2 V

to

5.5 V

V or lower 10.1 mA

+

ON

ms

or

less

to

26.4 V 2 to 5 mA

V

or lower 0.1 mA or lower

to

13.2 V 2

V

or lower 0.1 mA or lower

to

5.5

v

or

lower 0.1 mA or lower

+

ON ON

ms

or

less

at

ON:

ON

8 mA

ON

+

OFF 0.1 ms or

30

(TYPE

A1

SD62E

Operating

Current

Value)

2

to

5 mA

to

5 mA

2

to

5mA

-

~~

2

to

5 mA

to

5 mA

2to5mA

1

2

to

5 mA

I

O.lmA or lower

1

2 to5 mA

I

O.lmA or lower

1

2

to

5 mA

or

ON

--f

OFF

3

ms or

less

to

5 mA

2 to5 mA

+

OFF

3

ms

or less

to

30 V

10.2

1.5

V

0.1

ms

or less

V

24 VDC)

-

lower

less

'1: The number without parentheses represents the terminal number

parentheses indicates the terminal number

of

CH2.

3-6

of

CH1, and that in

Table

3.6

Interfaces with External

Devicos

(AlSD62E);,i,

-,.

,:

.

input/

output

Input

I-'

1

internal Circuit

4.7kn

4.7kR

2.2kR

fi

setting pin

put

setting pin

I

.-

1

(8) pulse input

(9)

I

11)

5

12) 12v

Signel

Name

Phase

A

puke input

24V

Phase A 12v OFF 4

Phase A pulse input

COM

Phase

B

pulse input 24V Phase

B

pulse input 12v OFF

B

Phase pulse input

COM

Preset input 24V OFF 5

Preset input

Preset input 5v

5v

WOFF

ON 21.6

OFF

ON

OFF

ON

OFF

ON

OFF 2 V or lower

ON

-

ON

OFF

ON

OFF 2

hput Voltage og:;;i:g

"'5

10.8

21.6 to 26.4 V 2

10.8 to 13.2

21.6 to 26.4 V 2 to 5 mA

10.8

(Guaranteed

Value) (Guaranteed

to

26.4 V 2 to 5 mA

V

or lower

to

13.2

V

or lower 0.1 mA or lower

4.5 to 5.5

2

V

5 v or lower O.lmA

4 V or lower O.lmA or lower

4.5 to 5.5

V

4

V

4.5

V

v

or lower O.lmA or lower

V

v

or lower O.lmA or lower

to

13.2

V 2

or lower

to

5.5

v

or lower 0.1 mA or lower

Value)

0.1

MA

or'iower

2 to

5

mA

-

..

2

to

5mA

to

5

mA

2 to 5 mA

2to5mA

0.1

mA or lower

to

5 mA

O.lmA or lower

2to5mA

i

output

1

f

Function start

Rated current: 0.1 Npoint

Maximum rush current: 4A 10ms

16

(18)

19 12/24 20

'1

:

The number without parentheses represents the terminal number parentheses indicates the terminal number

EQU2 Response timer OFF4

ov

Maximum voltage drop at

V

Input voltage: 10.2

Current consumption:

of

CH2.

3-7

ON:

1.5 V

ON

OFF

30 V

0.3

ON

+

to

8

mA (TYPE 24 VDC)

of

CHI, and that in

ms

or less

ms or less

3.

SPECIFICATIONS

I.

n

AgELSC-A

Input/

output

Input

Table

Internal Circuit

converter)

3.7

Interfaces with External

TiT!yl

2 Phase

(9)

1 Phase A

(8) pulse input

4 Phase

(11) pulse input

3 Phase

(10) pulse input

Signal

pulse input

Devices

Name

A

B

(AlSWPD)

Input Voltage Operating

OWOFF

EIA Standard RS-422-A line driver level {Arn26LS31 (TEXAS eqlriv$lent))

(Guaranteed Value)

INSTRUMENTS)

Same as above

,G~~~~~:efed

Value)

or

Input

output

2.2kfl

I

w

Preset input 24V

Preset input

I

L

I

Preset input

I5v OFF

1

(1 3) time

7

(14) input 12V OFF 4 V or lower 0.1 mA or lowel

15 EQUl Operating voltage:

(1

16

(1

19

20

COM

Function start input 24V OFF 5

Function start

Function start input 5V OFF 2 V or lower 0.1 mA or lowel

7)

8)

ON

I

OFF

ON

OFF

ON

Response

ON

,

ON

Response OFF

time

Rated current: Maximum rush current: 4A 10ms Maximum voltage drop at

EQU2 Response time: OFF

12/24

v

Input voltage: 10.2

ov

Current consumption:

21Sto26.4V

I

5

V

or lower I O.l,mA or lower

I

10.8

to

I

4 V or lower

I

4.5

to

I

2 V or lower 10.1 mA or lowel

OFF

+

0.5

ms

21.6

to

V

or lower 0.1

10.8

to

4.5

to

--t

0.5

ms

ON + OFF 0.1

8

I

2

to5

13.2

V

1

2

to5

I

O.lmA or lower

5.5

V

I

2

to

5

ON

or less 3

26.4

13.2

5.5

v

ON ON

or

less 3

+

to

mA (TYPE 24 VDC)

V

ON:

ON

30 V

ON

+

ms

or

2

to

5

mA

or lowel

2

to

5

2to5mA

--t

ms

or less

to

10.2

0.5

Npoint

1.5 V

0.1

ms

rnA

mA

OFF

less

mA

OFF

30

V

or less or less

'1: The number without parentheses represents the terminal number

parentheses indicates the terminal number

of

CH2.

3-8

of

CH1, and that in

3.5

3

I/O

.

.I

Signals

.

P

'..<.

frumAo

,

'G

the

PC

.

.,,

. . .

'

Tables and Table

CPU'

3.8

shows the input

3.9

deSCrlbes

AlSD62(E/D).

All

of

the

I/O

signal numbers

those when the AlSD62(E/D)

'

.

signals

..

.

.:

.

from the AlSD62(E/D)

the &put signals from

(X,

Y)

and

I/O

is

loaded

in

I/O

to

the

'PC, CPU,

We

PC CPL4i.h

the

addresses quated hereafter arb

slot

0

of the base unit.

Input Signal

-1

xoo

X01

xo2

X03

I

X08

XOA

1

xo4

xo6

1

X07

X0

B

XOD

Signal Name

PC CPU

(point

coincidence X05 (point

Counter value small (point No.

I

detection

Counter value large (point

Counter value coincidence (point

(point

c

AlSDIP(E/D)

No.

1)

No.

1)

preset

No.

2)

No.2)

No.

2)

request

Table

3.8

Input

Signals

Dercrlptlon

Turned on when the counter value is larger than set Counter value large value

No.

1.

Turned on when the counter value matches set value Counter value

No.

1, and turned off with a coincidence signal reset

command.

Turned on when the counter value is smaller than set value

No.

1.

Turned on when an input preset request is issued from an external device, and turned off with an external preset detection reset command.

Turned value

Turned on when the counter value matches

command,

Turned on when the counter value is smaller than set Counter value small value

on

when the counter value is larger than set

No.

2.

No.

2,

and turned off with a coincidence signal reset

No.

2.

set

value

Reference

Section

6.1

1

6.1

XOE

XOF to

X1

FuseIExternal power cutoff detection flag

F

Turned on when the limit switch output blown or voltage is applied to the

-

Unusable

EQU

{use

has

terminals.

3-9

3.

SPECIFICATIONS

-

_.

MWGA

Input Signal

YOOtoYOF

Y10

1

Y17

Y11

Y13

1

Y1A

Y14

I

Y1

B

1

Y15

Y16

Y1E

Y1F

Y1 C

1

Y1D

1

- -

I

-

Slgnal

PC CPU

t

AlSD62

Nuno

(EID)

I

Coincidence signal reset

1

command

Preset command Y18

Coincidence signal

enable command

1

Down count command

I

Count enable command

1

Count value read request memory at the leading edge

Table

3.9

Op.rcrMng

1

Timing

n

1

fl

Output

Signals

1

The signal

No.

output device.

The signal

As soon as this signal is turned on, a counter value coincidence signal is issued to the external device.

Coqntdown is performed while this signal remains

Counting is enabled when this signal is

1

ON.

The count value is written

Description

to

reset

1 signal to'the external

to

ON

tb

write a preset value.

in

single-phase mode.

~~

coincidence

to

~ ~~

the buffer

of

this

Reference

Section

I-

I

7.2.1

1-

l-

Counter function 9.2, 9.3,

1

selection start command 9.4, 9.5

I

1

n/n

I

I-

1

Executes counter function selection.

I

Unusable

1

Unusable

I

1

I

6.1

(1)

The operating timing shown in Table 3.9 is as follows:

n

J-l-

Valid while the signal is

Valid at the leading edge

3-

10

ON.

of

the signal.

3.6

Buffer

Memory

,

Allocation

'

i.

.

+.

Address

~ ~~~~~~~ ~~

6 (38)

7

(39)

8

(40) Counter function seleotion setting

*1

- - - - - -

Table

3.10

shows how the backup) is allocated. Initial values are is turned on and

setin

the

Data can be read/wrttten fromAo tions

of

lhe

PC

CPW

Table

-

Coincidence output point setting

3.10

Setting

Buffer

.,

AlSD62(E/D)

the

buffer

m8mory

PC

CPU

is reset.

the

buffer memory with

sequence program.

Memorv

No.

1

Allocation

(

L)

------.

(HI

buffer

-.

whsn

the

~ ~~~~~~

0

ReaWrite possible

0

memory

(without battery

power to the

FROM/TO

AI

SD62(E/D).

instruc-

7.1 (8.1)

9.1

9 (41) Sampling/Cycle setting

10 (42) External preset detection reset command

No.

11 (43) Point

12 (44)

14 (46)

15 (47) (HI

16 (48)

17 (49)

18 (50)

19 (51)

20 (52)

21 (53) (HI

22

______

______-

._

- - - -

-

~-

-.

- -

~-__----

Sampling/Cycle counter flag (for both CH1 and CH2)

~~

2 coincidence signal reset command

(

Coincidence output point setting No.

Latch count value

Sampling count value

2

L)

------.

(HI

(

L)

--_-_-.

(

L)

____._.

(HI

(

Periodic pulse counter previous value

L)

----.--

(H)

(L)

Periodic pulse counter present value

'1 : The number without parentheses represents the address number of CH1, and that in

parentheses indicate the address number

of

CH2.

-

0

Write

only

0

Read/Write possible 8.1

0

Read only

0

9.3, 9.4

6.3

8.1

5.3

3-

11

3-.

SPECIFiCATlONS

VGA

3.7

Applicable

Encoders

.

.'

The encoders applicabte

(1)

Encoders connectable

(a) Open-collector type (b) CMOS output type

(Make sure

A1

SD62(E) specifications.)

(2) Encoder connectable

(a) Line drive output type encoder

(Confirm whether the encoder output voltage meets the AiSD62D specifications.)

I

POINT

7

I

The following types of encoders cannot be used with the AISD62(E/D):

TTL output type

to

the AlSD62(E/D) are shown below:

to

the AISD62(E)

that

the output voltage of the encoder complies with the

to

the

AlSD62

I

3-12

4.

.

.',

IN@TA.LAATION . AND PRE-OPERATION SEmNG

4.

INSTALLATION AND PRE-OPERATION SElllNG PROCEDURE

WC-A

This section names and settings

4.1 Pre-Operation Setting Procedure

The pre-operation setting procedure

Set the print board on the side module:

e

Counting

Pulse input voltage setting

pin (A1 SD62(E) only) External

ting pin

e

Ring counter setting pin

Install

deecdbes

,.

Start

followi'hg

aped

input

the

AlSD62(E/D).

I

pins on

setting pin

voltage

the pre-operation procedure

of

each part

of

the AlSD62(E/D), and the wiring method.

of

the AlSD61

3

the

of

the

....

See

section

4.3.

set-

of

the AlSD62(E/D), the

is

shown below:

Wire the AlSD62(E/D).

1

Programming.

1

Complete

1

..#.

See

section

4.4.

4-1

4.2

Handling Precautions

Handling precautions for the

(1)

Protect the case and the terminal block from impact, since they are made from resin.

(2)

Do

not remove the printed circuit board from the case.

(3)

When wiring, make sure that no wire offcuts remain around the terminal block.

(4)

Tighten the screws the following table:

I

Module mounting screw Terminal block terminal screw

I

Terminal block mounting screw

(5)

Install the module on the base unit by engaging the module locking tabs in the module locking holes in the base unit and tightening the module

mounting screws. the module mounting screws, then disengage the module locking tabs from the module locking holes.

Screw, Looation

(M4

AISD62(E/D)

to

install the module

screw)

(M3.5

screw) I 59 to

(M4

screw)

To

remove the module from the base unit, unfasten

are given below:

to

the base unit as indicated in

I

78

I

78

Tlghtenlng

Nacm (kgocm) [Ibmln]

to

118

(8

88

(6

to

118

(8

to

12)

9)

12)

Torque

[6.93 to

[5.20

t6.93

to

7.81

to

Range

10.401

I

I I

Base unit

Module locking hole

Module mounting screw

/

4-2

The

names

below:

of..each

part

of

A1 SD62(E)

the

AlSD62(E/O)

and

the settings are shown

r

1

I

,-

0A

C

H

08

1

..

PRST

$St

<-

CH2

CHl CH2

OK

1

lPOK

08

04

BB

PRST

FST

.I

(4)

-

'The portion

of

(7)

of

the

,

.

24v

AlSD62E

is

as

shown in

the

following figure:

+

4-3

4.

INSTALLATION

-

No.

Pulse input voltage setting pin

1Ok

n

/ooo/

Pulse input voltage setting pin

CHl CH2 CH1 CH2

U

lorn

CH2

10k

n

F]

AND

-

CHI

U

100k

PRE-OPERAlnON

100

k : Counts single-phase/2-phase pulse inputs at a speed of

up

to

10

k

Used

:

to

100

Counts single-phase pulse inputs at a speed of up

kpps, and 2-phase pulse inputs at a speed of up

set

the pulse input voltage (Factory setting: (Set using a jumper)

SETTING

Description

kpps.

24

V)

PROCE

(Factory setting: (Set using a jumper)

to

phase Nphase

WRE

~ ~ ~ ~~~~~~

B.

1

MELSEC-A

to

10

to

7

kpps.

1

OOk)

0A

0B

,tH

24V

U

OFF

g:R

0

24v

External input voltage setting pin

Fqqq

0

24v 24V

CH1 CH2 CHI CH2

Ring counter setting pin

U

OFF

LED

indicators

i-1

0

m::fl

Used

to

set

PRESET/F.START terminals.

0

Used

Remains lit while voltage is applied terminal.

Remains lit while voltage ia applied terminal.

the input voltage

(Factory setting: 24 (Set using a jumper)

to

set whether

(Factory setting: OFF)

(Set

to

using a jumper)

to

be applied

V)

use the ring counter function.

to

the

to

the phase A pulse input

to

the phase B pulse input

Input terminals

Output terminals

DEC

PRESET

FUNCTION

EQUl

EQU2

%N0B Pulse input terminal

PRST

FST

EQUl to EQU2

Remains lit during subtraction.

Remains lit while voltage is applied goes off with an external preset detection reset command (write buffer memory addresses 10 and 42).

Remains lit while voltage is applied

Remains lit while external coincidence output from executed.

Remains lit while external coincidence output from CH2 is

executed.

The terminal

response

The terminal function.

External output terminals for coincidence output

to

which voltage is applied

to

an external preset command.

to

which voltage is applied

4-4

to

the PRESET terminal, and

to

the F.START terminal.

CHI

is

to

execute presetting in

to

select a counter

to

A1

SD62D

&I

200K

f2

'

200K

CH2

CHI

T

7

I

A'SD62D

PRST

F

PRST

F

I

0A

OB

ST

0A

00

ST

4-5

No.

Name

~~

Description

Pulse input vottage setting pin

1Ok 1Ok

n

(beol

External input voltage setting pin

Ring counter setting pin

(4)

I

LED

CH2

U

look look

ON

n n

indicators

r-

Fl

CH1

U

CH1 cn2

ON

0A

100

k

:

Counts singte-phase/2-phase pulse inputs at a speed of up

to

100

:

10 k

Used to set the input PRESET/F.START terminals.

Used

Remains lit while voltage is applied to the phase A pulse input terminal.

Counts single-phase pulse inputs at a speed of up to 10 kpps, and 2-phase pulse inputs at a speed of up to 7 kpps.

(Factory setting: 24 (Set using a jumper)

to

set

(Factory setting: OFF)

(Set

kpps.

voltage

whe4her

to

use

using a jumper)

(Factory (Set using a jumper)

to

be

applied to the

V)

the ring counter function.

settiw:

100

k)

(6)

I

Input terminals

Output terminals

0B

DEC

PRESET

FUNCTION

EQU

1

EQU2

0N0B Pulse input terminal

PBST

FST

EQUl to

EQU2

Remains lit while voltage is applied to the phase terminal.

Remains lit during subtraction.

Remains lit while voltage is applied to the PRESET terminal, and goes off with an external preset detection reset command (write to buffer memory addresses 10 and 42).

Remains lit while voltage is applied to the F.START terminal.

Remains lit while external coincidence output from CH1 is executed.

Remains lit while external coincidence output from CH2 is executed.

The terminal to which voltage is applied to execute presetting in response to an external preset command.

The terminal to which voltage is applied to select a counter function.

External output terminals for coincidence output

B

pulse input

4-6

4.4

wring

4.4.1

..

Wing

Details described below:

preconditions

The preconditions when a pulse generator device are described

(1) For a high-speed pulse input, take the following counter measures against

(2) For 1-phase input, connect count input signal

(3)

(4)

on

how

-to

wire a pulse generator device

to

is

wired

the

AlSB62(UD)

to

the A1 SD62(E/D)

are

below:

noise:

(a) Be sure

grounded

Do

(b)

not run a twisted pair cable in parallel with power cables or other

I/O

lines which

(5.91

in.)

use shielded twisted pair cables.

to

Class 3 specifications.

may

generate noise. Run cables at least

away

from the above-mentioned lines and over the shortest

Also,

make sure it is

150

mm

to

distance possible.

to

phase A only.

If

the AlSD62(E/D) picks

up

pulse noise, it will count incorrectly.

The specific measures against noise are shown below:

A1

PC

arate

more

from

[Also

taka

thgn

equlp-

cere

It8

mrn

meni such as Invert-

ern.

of

wiring inside the

panel.)

Y

A

Ground twisted shielded wire on the encoder side (joint box). (This is a connection example for 24 V sink loading.)

I

/

SD62(E/D)

Metal piping. Never run solenoid or inductive wiring through the same conduit.

If

sufficient distance cannot be provided between the high current line and input

wiring, use shielded wire for the high current line.

Encoder

Joint

Distance between the encoder and the joint box should be as short as ossible. tance from

box

too long, anrxcessive voltage drop occurs. Therefore, measure tion and make sure that the voltages are within the rated voltage voltage drop is large, increase the size of wir-

ing

rent consumption.

the

A1

SD62(E/p) to the encoder

the

er

use

an encoder of 24 VDC with

voltage during opera-

of

the encoder.

If

the dis-

less

If

IS

the

cur-

to

Connect the encoder shield wire shield wire of the encoder that is not grounded In the encoder. Ground it inside the joint box as indicated by dotted line.

I

the twisted pair

4-7

4.

INSTALLATION

AND

PRE-OPERATIOH

SEmNG

.PROCEDm

.:

:

XISEC-A

4.4.2

Wiring

A1

SD62(E)

example

for

the connection with the open collector

(1)

Connection

of

a

24

VDC

pulse generator

output

pulse

generator

Pulse generator

The encoder signal and

A1

SD62(E) CORRECT:

?==)I

INCORRECT:

supply

lines should be

wired

as shown below:

Since the same twisted pair wire is used for both the encoder signal and the power supply, a reduction in the canceling effect and electromagnetic Induction may occur.

4-8

A1

SD62(E)

1)

Set the pulse input voltage setting pin

(2)

Connection

of

a voltage

to

We

output

Twisted pair wire

wise generator

h

.'

position.

(5

EC-A

VDC)

Pulse generator

r

---.-.-

IREMARK]

1)

Set

the pulse input

voltage

setting pin

to

the

m

position.

,

4-9

A1

SD62D

(3):

Wirlng exampie between the driver (Am26LS31

or

equivalent)

AlSD62D

and a pulse

Pulse

generator

for

line

....

J

4- 10

EC-A

4.4.3

YU~~~mple

F.START)

A1 SD62(E/D)

This diagram assumes that

AlSD62(E/D)

for

the

mnnectkm

(1)

When a controller

External input voltage setting pin

the

intemat circuit is set to PRESET.

(2)

When

of a

riaaWkr

(sink

acentroller (source load type)

SET

or

F.START

bexbmqtinput

load type) is supplied with

is

supplied

terminals

12

Controller

with 5 V:

Controller

.-.-.-.

(PRESET

V:

VDC

and

-I

1

This diagram assumes that the internal circuit is

IRE MARK^

(1) Set the pulse input voltage setting pin to the

set

to

PRESET.

m

1

position.

4-

11

4.

INSTALLATION

,.

.

ANU,F4MXW€RATtON

SETTUW

pwacEouRE

.

I

MELEC-A

4.4.4

Wiring

examples

To

For this example, 10.2 methods are as follows:

(1)

at

external output

termids

use an external terminal,

to

AlSD62(D)

(Mus

30

1

to

2)

the

internal photocoupler should be activated.

VDC external power is necessary. Connection

-

+

10.2V

to

30V

(2) A1 SD62E

...

+

10.2V

to

30V

4-

32

.

. .

This section describes the pulse

AISDM(E/D).

(1)

The pulse input mode is classified into single-phase pulse input and

'

2-phase pulse input. Single-phasepcllse input plication by one and multiplication

input

8nd counting modes of the

I

is

subdivided into multi-

by

two, whereas 2-phase pulse input covers multiplication by one, two and four. Table

5.1

shows the pulse input modes and the count timing.

Puke Input

Single-phase,

multiplied by one

Single-phase, multiplied by two

2-phase, multiplied by one

Mode

Table

5.1

I

In up count

In down count

I

In

upcount

In down count

In

up count

In down count

Pulse

1

/0B

IDA

Input and Count

Count Timlng

.BA

JlJL

0B Y13 (Y1 A)

@A

OB

Y13

J-L

(Y1A)

0A 0B

(Y1 A)

0A

_f-Lf-L

0A

TlTl

m

Timing

Counts a pulse at 0A.Yl3 (YlA)

Counts a pulse at 1 of 0A.Yl3 (YlA)

Counts a pulse at t and

1

of

0A.Yl3 (YlA)

OFF.

Counts a pulse at f and

1

of

0A.Yl3 (YlA)

ON.

Counts a pulse at 0A. The pulse count

increases in response

to

the phase difference

between

Counts a puke at 0A. The pulse count decreases in response

to

the phase difference

between

OA

are

and

0B.

t

of

OFF.

ON.

are

t

of

.1

of

2-phase, multiplied by two

In up count

In down count

.5

-

I

0A

0B

m

Counts a pulse at 7 and

1

of

0A.

The pulse count

increases in response

to

the phase difference

0A

and

in

response

and

0B.

between

Counts a pulse at t and

1

of

0A.

The pulse count decreases

to

the phase difference

between

0A

Pulse Input

Mode

I

Count Timing

.

2-phase,

multiplied by four

(2)

Even

value at

up

count

In

In down count

if

the

pulse

the

time the.mode is changed.

input mode

is

changed, counting

Counts a pulse at

L

of

0A

The pulse count

increases in response

to

between

Counts a pulse at T and

5.

The pulse count decreases in response

to

between

and

the phase difference

0A

of

0A

and

the phase difference

0A

will

start from the

0%.

and

OB.

and

T

and

0B.

5-2

5.1

SingieWiase

Pufsi

Input

I'

,.

.,

'!

In single-phase pulse input, multiplication by counting.

(1)

The

,,

-

following figure

and a down count command.

Encoder

/

(2)

Counting mode setting

To

use this counting mode,

memory (address

shows

Down'count command

0

{or Y13 (YlA)

3

(35))

the relationship between phase A pulse input

Pulse

of

gram.

Counting Mode Set Value

one

oqtwo can be selected for

Ai SD62(

UD)

R

.

,

input

ON}

set

the

AlSD62(E/D) using the sequence pro-

>*,

0A

@B

pulse input mode setting buffer

Multiplication by one

Multiplication by two

[Sequence program]

Write

command

IREMARKS

(1) In

[

the A1 SD62(UD).

(2) Set 3 in

(3) In

S,

I[

1,

set the first

[ ]

set

KO

I

two

for CH1,

or

representing multiplication by one, or

digits

of

the hexadecimal three-digit first

35 for CH2.

110

number allocated to

K8

for multiplication by two.

5

-3

5.2 Counting at 2-Phase Pulse Input

When the 2-phase:pufse from multiplication

(1)

The relationship between the phase A pulse input and the phase B pulse

input

is

Encoder

(2)

Counter processing mode setting

To

use the above-mentioned mode (counting using the incremental

phase

A,lS@2(E/D)

to

A

any number from 2

by

given below:

pulse input and decrementat phase

pulse input mcde setting bdfer memory {address

inpld

one,

two,-and four.

Phase A

to

Counting

is

done,

4

using the sequence program.

hode

the counting mode can be selected

A1

SD62(E/D)

1

J

getting

B

pulse input),

Value

set

the

3(35))

I

[Sequence program]

Write

command

[

I[

1,

1) In the A1

2)

3)

set the first two digits

SD62(UD).

Set

3

in [ ] for CH1, or

In

S,

set

K2

representing multiplication by one, K10 for multiplication by two, or K18

multiplication by four.

Multiplied by

Multiplied by four

35

for CH2.

one

two

of

K2

I

'I

the hexadecimal three-digit first

K10

K18

I

I/O

number allocated to

for

5-4

5.3

Reading the Present Value

L.

.

This

section givea.details

present value

to

read it.

(1)

The buffer memory

@torage

on,#hq?rrsant

buffer;memory

stores

the

value

(addrewes

cwnt

value

stored in the

4

to

5

(36

when the following are in

,

'*

AlSD62(E/D)'s

to

37)},

and how

effect: pulse input, presetting, ring counter function execution or count disable (counter function selection). However, periodic pulse

count value when the latch counter, sampling counter

counter

function is executed

will

be stored in the counter

or

the

function selection count value storage buffer memory shown in Table

5.3.

Table

5.3

Counter Function Selection Count

Value Storage Buffer Memory

Perlodlc Periodlc

50

to

51

24-bit

Descrlptlon

Buffer

memory

bdctt'ess

I

(2)

The present value

CH1

CH2

14to15

46

(0

to

Latch

Count

Vdue

to

47

16777215)

Count Value

to

48,to

is stored in

17

49

present value storage buffer memory.

(3)

In up count, the present value storage buffer memory returns

the count value reaches

1677721

In down count, the buffer memory returns to

value reaches

0.

5.

1677721 5

Pulse Count Pulse Count

Present

Value Value

19 16

20

52

binary in the

to 0 when

when the count

to

21 18

53

5-5

5.

PULSE

INPUT

AND

(4)

Shown in

cO.l,WTEU

below

the

present value

Is

Pt!SOCBS~M€~D

the

sequence

storage

program

to

read

buffer memory.

the

present value stored

(a) Reading using FROM/TO instructions (when

PC

selected as the

Read

,

command

Set

data

n

A1

SD62(VD)'s

Firot

*

D

1)

Set

2)

The present value AlSD62(E/D)

.I

.*

1

device numbrr.to

a count value read request Y(n + 15).

CPU I/O control method)

DFRO

I

first

I/O

number

store

is

set

for n, and is stored in the device

fram.wh1d.l

I

.;..

*.=Pi..

the

repd

read from

the

-.

.

present

the

I/O

present value

value

number of the

In present value reading, data is read directly from AlSD62(E/D)'s buffer CH1)-or

No.

36 and

No.

rnerrhry

37 (for

addresses

CH2).

the

SET

n

I

K4(K36) 1 D

No.

direct method is

I

Y

(ntl5)

I

K1

will

be

read

set

for D.

4

and

No.

5

I

(for

3)

Reset

the count value read request Y(n + 15).

5-6

..

'

14

(b)

Reading:

using.PRobdiT-0

sebcfed'asJW~PCaUPF%LP

Read

instructions

(when

t'Klcbnttwtmethod)

the refresh method is

Frn

RST

I

Y

(n+15)

t.

.

.-

Set

data

n

AiSb'62(Eh)'s

-.

Cd

First device number to store

D

first

I10

number from

whichthe

the

read present value

present value

will

be read

1)

Set a count vatue read request Y(n

2)

The

presant

AlSD62(E/D) set far

In

present

A1

SD62(E/D)'s buffer memory addresses

CH1)

or

3)

Designate partial refresh.

4)

Y(n + 10)

5)

Reset the count value read request Y(n

value

No.

to

value is

wad

n,

and

from the

is

stored in the device

reading, data is read directly from

36

and

No.

37

(for

CH2).

Y(n

+

ID)

are partially refreshed.

+

15).

I/O

number of the

No.

+

15).

4

set

and

for D.

No.

5

(for

5-7

(c)

Read

Reading

using an

A2ASCPU(SI/S30)

dedicated

instruction

LEDA

...

Reading is executed when the command

ON.

...

LEDB

Reading is

executed at the

leading edge

the

is

of

command.

I

LEDR

r----,

Instruction symbol in

I

L----I

I

IPVRD1,PVRD21

Set

data

n D AlSD62(WD)'s

First device number to

1) The present value is read from the I/O number of the AlSD62(E/D) set for n, and is stored In present value reading, data is read directly from AlSD62(E/D)'s buffer memory addresses CH1) or The channel for present value reading depends on the instruc-

to

tion

2) In present value reading using a PVRD1 or PVRD2 instruction,

ON/OFF

Y(n+l C) (count value read request) is automatically executed internally, which means that the user does not have

it.

first

No.

36 and

be used.

control

I/O

number

store,~,the

PVRD1 instruction PVRD2 instruction

of

the AlSD62(E/D) I/O signals Y(n+l5),

from

read present value.

No.

37 (for CH2).

which

........

the

present value will

to

the device

No.

For CHI For CH2

4

set

and

be

No.

to

read

for D.

5

(for

execute

POINTI

To

perform communications with a special function module using an APASCPU(Sl/S30) dedicated instruction, register AD61 as the module type when setting parameters.

5-8

6.

EXECUVINQ,THfi

-6.1

Coincidence Output Function

GOtNBIDENCE

This section describes the coincidence output function.

The coincidence output function issues a signal when a preset count value is compared with and matches the present counter value. Two coincidence output points can be set. To use the coincidence output function, command to

[Example of how to use the coincidence output function] Manufacturing products by performing each machining operation in response

to a coincidence output in a machining line system.

ON.

BUTPUT~FUWFION

set

the coincidence signal enable

(1) The material is conveyed by a belt conveyor.

,.

.

(2)..~-T:ke.material

.is determined

13)

As

soonas machining operation takes place in response to a coincidence output (EQU1, EQU2) from the AlSD62(E/D).

positionambe identified as4he present count value which

by

a

pulse

sent

the

material

is

located at each specified position, the relevant

Part

cutting

to

/.

the

AlSD62(E/D).

Drilling

n'

67

!

0:

T

6-1

6.1

.I

Coincidence output function operation

Count,embk command

{Y14

(YlB)}

OFF

Coincidence signal enable command

Input

Coincidence setting

{addresses

Counter value small (point

Counter value coincidence (point

Coincidence signal reset

command

{Y12 (YlQ)}

pulse

to counter

out

No.

1

buhr

to

6

No.

1) {X02 (X06)}

No.

1) {X01 (X05)}

{YlO (Y17)}

ut

7

point memo

(38

to

38)

OFF

Present value storage

buffer

memory

4

to

5

...

(36

The

{addresses

(1)

the

6

to

(2)

...

When the counter value reaches the value, the counter value small stpal is turned value coincidence signal is turned on.

(3)

...

The coincidence signal reset command is turned on, and the counter value coincidence signal is The subsequent coincidence signal output does not take place as long as the counter value coincidence signa4 remains on.

(4)

...

When the counter value is larger than the point value, the counter value large signal is turned on.

',!Ill

'

0,

1, 2,

to

37))

set

coincidence output point value is written in 24-bit binary

coinckfence

7

(38

to

output

39))

point setting

of

the

AlSD62(E/D)

to,

98, 99:100:101:102~103~

No.

1

buffer memory {addresses

in advance.

set

coincidence output point

off,

and the counter

reset.

set

coincidence output

to

6-2

6.1.2

Program

Examples

T~e

one mode using

[System configuration]

following

program

CH1,

and ,exebute

is

to

count pulses in

X00

to

XiF

YOOtoYIF

2-phase

the

limit switch,w'put function.

X20t0x3F

pulse input multiplied by

[Devices

(1)

(2)

DO

to

be used]

Execution commands

(a) Pulse input mode setting command

(b)

Counting start command (c) Present value read command (d) Coincidence output data setting command

(e)

Coincidence output command (f) Coincidence signal reset command (9) Counting stop command

Relationship between data registers

Buffer

Address Setting

'L,

3

Pulse input mode setting

............................................

...................................................................

...........................................................

....................................

..........................................................

.................................................

........................

(DO

memory

..

...........................................

to

D4)

and the buffer memory

M9038

X20

X21 X22 X23 X24

X25

6-3

Present value

---I

I->

Dl

to

D2

(a)

Execution using

selected

as

the

PC CPU

FROM/TO

I/O

instructions (when the direct method

control method)

(Program]

Pulse input mode setting

PK

I

PH

TO

Counting start

r-------------------------------------------------------------

Present value read

0000

{

MCV

2

K K

3

DO

[SET

YOI~+/

is

Set

2-phase pulse

input multiplied by

1

one mode.

Start ulse counting with

tle

count enable

command.

H

DFRO 0000

__________-_____________________________---------------------,

Coincidence output data setting

P

DMOV

PH K K

[

DTO 0000

Coincidence output command

b23

K

4

[SET

[

RST

K

2000

6

Dl

<

D5

YO12

YO15

Read the resent

value, anSstore it

to

Dl

to

D2.

I I

,

Store the set coincidence output point value in buff-

,

er memory addresses 6

to

No.

1

The coincidence signal can be issued

7.

external device with the coincidence signal enable

command ON.

to

No.

the

Counting stop

CIRCUIT

END

6-4

{

RST

YO14

Stop ulse counting

4

with t e count enable command reset.

..

(b)

EndofYublng

sB1.e;cfed

as

PW"O

PC

CPU

WO

ine#Wions

Control

method)

(when

the

refresh method is

The portions of the program example shown in broken and dotted lines must be replaced with the following:

Present value read

t

c

I

Coincidence .signal reset command

/;,',{SET

{SEG

L

RST

K4

YOIO

YO15

YO1

K4

EOOI

Read and

Reset

signal.

I--

(a)

enclosed by the

the

present value,

store

It

to

Dl

the

coincidence

to

D2.

6.

EXECUTING

<.

THE COINCIDENCE OlJTPtlT

FUMCTlON

MwsEGA

Present value read

(c) Execution using MASCPU(Sl/S30)

As shown below, A2ASCPU(Sl/S30) dedicated instructions can be

used In place enclosed by the broken line.

of

the portion

of

I

POIrdTl

To

perform communications with a special function module using an

A2ASCPU(Sl/S30) dedicated instruction, register AD61 as the module

type when setting parameters.

dedia?ed

the program example shown in (a)

r

LEDR

instructions

Read the present value, and store

it

to

LI

Dl

and

D2.

6-6

The preset function is used for converting the counter's present value

<

,-

different value. This changed value

is

called the preset value.

to

a

The preset function can be used when a pulse count is started from the set value.

The preset function consists of two modes: preset by the sequence program and preset from the external control signal (applying the voltage

to

the

external terminal). Preset function application example: By using the preset function, the production count can be continued from the

previous day.

(1)

The production volume

to

the

AlSD62(E/D).

(2)

Products are carried

(3)

The

production volume is counted by inputting the pulse from the photo-

of

the previous

by

a conveyor.

day

ip

'preset" from the PC CPU

electric switch.

(4)

At

the end of the daily production, the counter value in the buffer memory

is stored

to

a word device

(D,

W,

etc.) in the PC CPU latch range.

I

7-1

I

7.-

EXECUTING

~

L.

..

THE PRESET

FWmQN

7.2 Preset Using the Sequence Program

The following describes the preset function executed by the sequence program.

7.2.1 Executing the preset function using the sequence program

Turn

ON

the preset command

(Y11

(Y18))

in the sequence program

the preset.

.

..

MELSEGA

to

execute

Count enable command {Y14 (YlB))

Input pulse to be counted

Preset value setting buffer memory {Addresses 1 to 2 (33 to 34))

Present value {Addresses 4

storage

to

5

(36

buffer

memory

to

37))

1)

Writes a given value (addresses

2) Turing

the

in

buffer memory

The preset function can be used whether the count enable com-

{Yl

mand

ON

Y5

OFF

I I I

I

to

1

to

2

(33

to

ON

the preset command

to

4(Y

1

B))

is

ON

IIIIIII

I,,,,

IIIIIII

the preset value setting buffer memory

34))

in

24-bit binary code.

(Y11

(Y18))

sets the preset value

the present value buffer memory.

or

OFF.

7-2

7.2.2

Example program

\

~

,

I

-

';*?

.,

Create

the preset function using the sequence program.

System configyation:

A1 S62P D62

a

prbgm'm-tailQunI

,.*.@ii

C"

X00

rYOObYlF

A1 SCPU

,

:.

to

A1

S

WD)

2-pheee

'

..

XlF

X20

:::

pukes. multipbd by one and

to

83F

L

Devices

(1) Execution commands

to

be used:

(a) Pulse input mode setting command

.I

(b) Count operation start command

(c) Present value read command

(d) Preset value write command

.

(e)

Preset reset command

.......................................................................

...........................................................

............................................................

............................................

.......................................................

.>

to

execute

M9038

X20 X21 X22 X23

(f)

(2)

Relationship

D3 to D4

.

Count operation

between

Address

l+l--

stop

command

data register

Buffer memory

Pulse input mode setting

--

.......................................................

(DO

to

D4)

and buffer memory

Contents

Present value

_-

(HI

X24

Dl to D2

7-3

7.

EXECUTING

THE PRESET

(a)

Execution using

wkcted

[Program]

FUWXION

FROM/TO

as

the

PC

CPU

-

, . ,

-

.

,

instructions (when

1/0

control method)

_'

,

MEIA

the

direct method

is

,

.

Pulse input mode setting

:c

'

Preset command

I

PK

[

MOV

2

PH K

[

TO

__E

I

I-[

DFRO

0000

H K

0000

[

DMOV 100

DT;

!OOO

3

DO 1

[

SET

SET YO15

4 Dl

RST

PK

K

1 D3 1

SET

RST

yo14

1

YO15

D3

YO11

Set 2-phase pulse input multiplied by one mode.

Start pulse counting

4

with the count enable command set.

Read the present value, and store it to Dl to D2.

4

4)

Store the preset value

100

to buffer memory

addresses 1 to 2.

Execute the preset

function.

I

,

I

-.

Counting stop

F4

CIRCUIT

END

[

RST

YO14

Stop pulse counting

with the count enable

4

command reset.

7-4

7.

,

EXECU-TING

v

..

.

'

*I'

THE PRESET

FUNCTION

-a

-

..

.

-

.

Present value read

t

Preset command

-

(c) Execution using A2ASCPU(Sl/S30) dedicated

instructions

As shown below, A2ASCPU(Sl/S30) dedicated instructions can be used in place

the portion

of

the program example shown in (a)

of

enclosed by the broken line.

LEDA PVRDI

SUB

[LE, Dl

PK

DMOV

100

..

.

LMA

HOOOO

Read

the

value, and store to

Dl

to

4

store

the

100

at

,2, and execute the

present

D2.

preset

addresses 1 to

it

value

HOOOO

-

B

LEDC

D3

POINT(

To

perIqm cpmmunications w,ith a special function module using an

A2ASCPU(Si/S30) dedicated instruction, register AD61 as the module

type when setting parameters.

I

7-6

7.3

Preaet

by

Exteracrl

Input

'/

7.3.1

Count enable command {Y14(YlB)}

Input pulses to be counted

Preset value setting buffer memory {Addresses 1 to 2 (33 to 34)}

Preset command

(PRST terminal)

External preset command

detection

External presat command detection reset command {Resetting is executed in

response address 10

Present value storage buffer memory {Addresses 4 to

When the preset

flag

to

writing to

(42))

5

(36 to 37))

{X03

:

(X07))

The following describes. the presef,by the external control signal.

is

executed

Execute the preset by applying the voltage

terminal.

by

external control signal

..

to

the external input PRST

.-

OFF

ON

OFF

ON

OFF

'POINT]

(1)

When the external preset detection flag {X03 (X07)) is in the above-indicated diagram), even

PRST terminal, the preset function cannot be executed. In this case, by turning

reset command (resetting is executed in response to writing to address detection flag (X03 (X07), the preset function can be executed.

1)

Writes a given value to the preset value of the setting buffer

memory {Addresses 1 to 2 (33 to 34)) in 24-bit binary code.

2) Executing the preset command (applying terminal) value buffer

3) The preset function can mand

sets

the preset value in the buffer memory

memory.

{Yl4

(Y1

10

(42)) and turning

B)}

be

used whether the count enable com-

is

ON

or

Qpp.

if

the voltage is applied

ON

the external preset command detection

OFF

the external preset command

the

voltage

to

ON

to

the PRST

the present

(see

to

(4)

the

7-7

7.

EXECUTING THE PRESET FUNCTION

7.3.2

Example

program

The following program is one mode using CHI and execute the preset function in response input.

System configuration:

Devices

(I)

to

count pu,lses in 2-phase pulse input multiplied by

X00

to

X1F

YO0

to

Y1F X20

I

to

be used:

Execution commands

(a) Pulse input mode setting command

(b)

Count operation start command

(c) Present value read command

to

X3F

.......................................................

...........................................................

to

external

PRST terminal (voltage applied here)

I

............................................

M9038

X20 X21

(d) Preset value write command

(e)

External preset command detection flag reset command

(f)

Count operation stop command

(2) Relationship between data register (DO

Buffer

memory

Address Contents

1

D3 to D4

e

DO

e

2

3

4

5

-

Preset value setting

Pulse input mode setting

---

Present value

............................................................

............

.......................................................

to

D4)

and buffer memory

(

L)

-

(HI

"'_

e

(HI

Dl

to

X22 X03 X23

02

External preset command detection reset command

7-8

(a)

Execution using

selected

as

the

PC CPU

FROM/TO

I/O

instructions

control method)

(when

the

dicect>n&thed

is

Pulse input mode setting

Start the count operation.

Example

.program:

PH K

E

TO

0000

PK

3 DO

SET

Set the pulse mode consistent with the 2-phase pulse

1

input multiplied by one.

Start the pulse count with the count enable command

4

(SET).

t

I

Count operation stop

CIRCUIT

END

I

PH

DTO

PH K K

C.

TO

0000

C

MOV

.

oooO-.

K K

10

D3

PK

0

10

D5

RST

YO14

1

D5

1

Store the preset value of

100

to address

buffer

E

1

l-

E

4

memory.

Reset the external preset

command detection flag.

Stop the pulse count by

the count enable command

(RST).

6

of

the

7-9

7.

EXECUTING

THE PRESET

Present value read

.._

,

FUNCTION

(b)

Execution using selected as the PC CPU

I.

FROM/TO

I/O

instructions (when the refresh method is

control method)

The portion of the program example shown in (a) enclosed

be

broken line must

replaced with the following:

"EWE@A

by

the

.*

-

,

I[

II[

DFRO

H

0000

SEG

[SET

K

4

L

K4

YO10

RST

yo15q

K

D1

BOO1

YO15

Read

the

and store it

present value,

to

Dl

to

D2.

7-10

7.

EXECUTING

,:,I

,.

.x

THE

PRESET

(c)

Emution

FMW:;

using

&ASCPU(.Sl/S@)

'_

..

.

dedicated instructions

,

.,

used

in

me of

enclosmhby the

Asshown below,

Present value read

To

perform communications with a special function module using an

A2ASCPU(Sl/S30)

A2ASCPU(S1/S30)

the

portion

of the program example shown in (a)

broken line.

dedicated instruction, register

dedicated instructions can be

Read the

and store it to

AD61

as the module

present value,

Dl

to

D2.

type when setting parameters.

7-11

8.

EXECUTING

8.

EXECUTING THE RING COUNTER FUNCTION

8.1

Ring

Counter

THE

RING.CWNTER

This section describes the ring counter function.

.

..

Function

FUNCTlON

-_

e

.'

-

MELSEC-A

The ring counter function automatically that has been preset and executes counting operations.

The ring counter function can be used when executing controlled cycles such as incremental feed.

Ring counter function application example:

to

Using a system

the ring counter value, and cut the sheet

1)

Set the preset and ring counter values

function.

2)

Turn on the motor

3)

Operate the rollers

cut a sheet

to

a specified size, adjust its rollers by setting

to

operate

so

sets

the present value

to

the specified size.

to

the

rollers.

that the sheet can

to

the value

execute the ring counter

be

cut

to

the specified

size.

4)

Cut the sheet.

5)

Repeat steps

2

to

4.

Roller Sheet

m

8-1

8.1.1

Ring counter function operation

To

use

the,fdng

AlSD62(E/D)

counter function, set

PC

board

to

ON

the

in advance.

rhg

..counter setting pin on the

,

..

Set the preset value and the ring count value in'tbebuffer memory.

Gaunt enable command (Y14 (YlB)}

Input

pulse

to

counter

OFF

ON

I

Coincidence output point

setting

No.

(addresses 6

,

Counter value coincidence (point No. 1) (X01 (X05)}

Coincidence signal reset

command (YlO (Y17)}

Preset command (Yll (Y18))

Present value storage buffer memory {addresses 4

1 buffer memory

to

(1)

....

The preset value is written in 24-bit binary buffer memory (addresses advance.

....

The ring counter value is written in 24-bit binary

(2)

output point setting in advance.

7 (38

5

(36

to

39)}

37)}

ON

OFF

ON

OFF

IIIIIO

J,,,,,II,I,

I,,IIIIIII,

'I I

'6

I,,,

'It,,#

I,,,,,

I,,,,,,

1,

',,,,,lIIII

~IIIIIIIII,

:I:::::,

'

0

I

1

No.

1 buffer memory {addresses

1

I

' 2 '

to

I I

I

,//,

to

2

(33

,

I I,

'98'99'

to

'100:

to

the preset value setting

34))

of

I I

;

0

' 1 ' 2 ' 3 '

: :

the AlSD62(E/D) in

to

the coincidence

6

to

7

(38

to

39))

...

The preset value stored in the preset value setting buffer memory is

(3)

in

preset

of

the preset command [Y

the present value storage buffer memory at the leading edge

11

(Y 18)).

Presetting can be executed whether the count enable command (Y14

(Y1

B))

is

ON

or

OFF.

(4).

. .

When the counter value reaches the ring counter value, the counter

to

value coincidence signal is turned on

execute presetting. reading the present value during presetting, the ring counter value or preset value is read.

(5)

....

The coincidence signal reset command is turned on, and the counter value coincidence signal is reset. The subsequent coincidence signal output does not take place as long as the counter value coincidence signal remains on.

8-2

By

8.1.2

Count range

As

shown

ing on the relationship between present value and the counting mode (up count/down count).

(1)

below,

When preset value s present value I ring counter value If the ring counter function is executed when the preset value is ring counter value is events occur:

the count range of the

the

2000,

and the present value is

ring

preset

counter function differs depend-

value, the ring counter value, the

500,

0,

the

the following

(a) In up count, the present value becomes equivalent

(0)

value

(b)

In down count, reached the preset value counted down

to

the preset value

500

(2)

When preset value I ring counter value I present value

If

the ring counter function is executed when the preset value is ring counter value is events occur:

In

(a)

up count, the present value returns it has reached the mdmum value present value is counted up becomes equivaient

as soon as

501

490

it

is counted up

to

1998 1999 20WO 1 2 3

the

present value returns

(0).

Then, when the present value is

to

the ring counter value

(0).

to

0

16777215

2000,

and the present value is

to

the preset value

to

the ring counter value

(2000),

2002 2001 200010 1677721

to

the minimum value

(16777215).

the ring counter value

(0).

to

the preset

(2000).

to

I6777215

it becomes equivalent

3000,

after

the following

(0)

Then, when the

(2000),

it

has

0,

the

after

5

it

I

POINT

(1)

I

3000 3001

(b)

In down count, the present value becomes equivalent

value when it is counted down

3000 2999

to

16777215

to

2001 200010 1677721 5 16777214 16777213 16777212

0

1999 200010 1 2

to

the ring counter value

I

Do

not write the preset and ring count values during execution

the ring counter function.

8-3

to

the preset

(2000).

of

I

8.2

Example

Program

.

.*

IC

Createlaprogram

ring

the

System

Devices

(1)

counter

&figuration:

to

be used:

Execution commands

(a)

Pulse

(b) Count operation start command (c) Present value read command (d) Preset value write command

(e)

Ring counter write command

(f)

Count operation stop command

to

count

function.

.'

input mode

X00

YO0

toY1F

2-phaee

to

XlF

setting

pukes

X20

toX3F

command

multiplied by one and

,.

............................................

.......................................................

...........................................................

............................................................

.......................................................

to

execute

M9038

X20 X21 X22 X23 X24

D3

D5

(9) Present counter value change command

(2)

Relationship between the data

to

D4

e

Do

to

D6

e

I

Address

.<

.

I

1

.-.

2

3

-

H

-.

H

register

Buffer memory

Contents

Present value

Pulse input mode setting

.

Preset value setting

~~

Coincidence output

point setting

(DO

No.

1

........................................

to

D6)

and the buffer memory

(

L)

-

(H)

(

L)

.

-

+

(HI

(

L)

.

-

'

(H)

Dl

X25

to

D2

8-4

(a)

Execution using selected

as

the

PC

FROM/TO

CPU

I/O

instructions (when the direct method is

control method)

Pulse input mode setting

Start the count operation.

I

Example program:

PH K

[

TO

DT:

0000

:OOO

PK

3

DO 1

C

SET YO14

___________________

K

1 D3

YO1 5

D3

Set the pirlse mode consistent with tho 2-phase pulse input multiplied by one.

Start the pulse count with

4

the count enable command (SET).

Read the present value and store it to devices

Dl

to02.

4

I

Store the preset value 0 to

I

1

,

I

Change the present counter value to the

preset value.

+l

,___________________------------------------------------------

Ring counter value setting

Coincidence signal reset

PH K value to buffer memory

[

DTO

0000

PK

DMOV 2000 D5

6

D5 1

Store the ring counter

addresses 6 to

7.

,

I

Present value read

(b)

Execution using:FROM(TO indrudioos (when the refresh method is selected

The portion broken line must be replaced with the following:

as

the

PC

CPU

1/0

control

of

the program eqmple shown in

SET

DFRO

H

0000

K

4 Dl

method)

YO15

1

(a)

enclosed by the

Read the present value, and store it to

Dl

to

D2.

SET

K4

SEG

YO10 BOO1

K

1 03 1

c

Preset value setting

,

x022

Present counter value change

I

L

PH

DTO

0000

Ey2y{

t

SEO

c

Ring counter value setting

rr

Coincidence signal reset

l~[

PH

DTO 0000

K

6

M9052

K4

RST

YO15

PK

SET

Yo11

SET

Me052

K4

YO10

RST

PK

D5

YO11

1

Store the preset value 0 to

memory

buffer

1

to2.

Execute presetting.

4

Store

the ring counter value

2000

to buffer

dresses 6 to

7.

addresses

memory

ad-

kToT{

-

8-6

SET

YO10

M9052

Reset

the

coincidence signal.

Present value read

(c) Execution using A2ASCPU(Sl/S30) dedicated instructions

As shown below, A2ASCPU(Sl/S30) dedicated instructions can be

of

used in place enclosed by the broken line.

the portion

of

the'program example shown in (a)

Preset value setting

I?"'';[

Present counter value change

LEDA PVRD1

[

DMOV

[Sy:Dc

[

P

SUB

HOO:

LEDR

KO

HOOOO

Read the present value,

and store it

to

Dl to D2.

4

Store the preset value buffer

DSd

1

to

2.

Execute presetting.

memory

addresses

0

to

LEDR

i

Ring counter value setting

PK

l-~*'~[

POINTI

To

perform communications with a special function module using an

A2ASCPU(Sl/S30) dedicated instruction, register AD61

type when setting parameters.

DMOV

2000

D5

Store the ring counter value 2000 at buffer dresses

memory

6

to

7.

as

the module

ad-

8-7

9.

SEEWING

".

.

9.1

1:

.':~ct&*cbu&or

AM0

EXECUTlW LnaECOUNTER

Function

.

MTION

Select one of the fou'r counter functions and execute it.

Signal

Execute the selected function by turning

dart command.

fYl6(Y1

D))

or applying voltage

terminal.

1)

Count disable function: See section Inputs the signals when

the

ping the pulse count.

ON

IUI

OFF

2)

Latch counter function: See section 9.3. Latches the present value of the counter when the signal is input.

ON

OFF

fl

fl fl

I

100

/

I

20

Counter present

value

3) Sampling the counter function: See section

ON

the counter function selection

to

the external

9.2.

count enable command is

Latch count value storage buffer memory

(addresses

Latch count value storage buffer memory {addresses

+

.,.

14

20

to

15

15 (46

(46

to

47)}

to

47)}

,

50

9.4.

F.START

ON,

stop-

100

Counts the input pulse times that are specified by the signal.

Signal Sampling count value storage buffer memory

OFF

value

4)

Periodic pulse counter function: See section

{addresses

16

to

17 (48

to

49)}

9.5.

During signal input, the present and previous counter values are

(T).

Periodic pulse count previous/present values

storage buffer memory (addresses

(50

to

51)),

(addresses

I

0

0.0

I

I1001

T,, T,

-

-.

100

T

20

to

,I

'

80

.-

T

I.

21 (52

'

18

to

Signal

ON

OFF

Counter presmt

value

stored at preset intervals

.

TTTT

I

w

v

.,

I

160

-T\m

19

53)}

Present value

9-1

(1) Select a counter function

memory (address

8(40))

by

writing a value

as shown in the following table:

to

the countersetting buffer

However, when the counter function counter start command (YlG(YlD), F.START terminal) is OFF.

I

Counter Function

Count disable function

Latch

counter function

Periodic pulse counter function

Sdecrtlon

I

Setting

0

1

3

is

changed, make sure that the

Value

I

1

(2)

The counter function can be selected-by using either the counter start command (YlG(Y1D)) or the F.START terminal (external input).

When both of the signals are input during a certain period, priority is given.to the7irst Qnal input.

(3)

Set the sampling counter function/periodic pulse counter function time

and

between 1 The time can be adjusted in

Example) Whe'n

65535.

420

is

memory

420 x 10 = 4200

set

to

.

10

ms

increments.

the

sampling/periodic time setting buffer

[ms]

9-2

9.7kl

~'Fleisbi~thtscounfOr

.

I

function

#lostion

count

valw

1

The counter function selection counter value means the count value when the counter

This

(1)

ftlhctbtvis selected.

section

'

The shown

d&filks

*..,

CQY~~W

in

Tabte 9.1.

.

,

fun6,tiqp

how

to

selecjion

read the

wwt

counter function selection count value.

ya1ue:is stored in the buffer memory

Dssctlpttow

B0ffe-r

memory

addre?

I

(2)

Table

,

The counter function selection count value

911

Counter Function Selection Count Value

Storage

..

Latch

.

,46

Value

14

to

t?

Count

15

47

'I

I

1-

..

.

..

4.

.'

dr

,

Buffer

$atnRlipg

Count Value

16

to

48

to49 .

Memory

17

,

e

1.

Periodic

Pulse Count

Value

18

to

to51

(0

to

Present Value

19

16777215)

24-bit binary.

(3) In up count, the counterfunction se1ecS;ioncount value returns

it

,has

reached 16777215.

,.

In 'down count, the counter function selection count value returns

16777215 after it has reached

0.

Periodic

Pulse

20

to

52

to

is

stored in

to 0 after

Count

21

53 50

to

9-3

(4)

,

Read command

-

Shown below is the sequence

program

to

read the counter function

selection'count value:

(a) Reading using FROM/TO instructions (when the direct method is

selected as the PC CPU

DFRO

1)

Set a count value read request

2)

The counter function selection count value is read from the

n a

number set for n of the specified for a, and is stored in the device set for

I/O

control method)

SET

Y(n+15)

D

RST

K1

I

Y(n+l5)

Y(n + 15).

A1

SD62(E/D)'s

Set

data

AlSD62(VD)'s first

I/O

number from which the count value will be read

Buffer memory address from which

a

the count value will be read

Buffer memory address the read present

value will be stored

to

which

buffer memory address

D.

I/O

3)

Reset the count value read request

Y(n + 15).

9-4

(b)

ngading

selected as the

umng

FROM/TO.itwtructions (when the refresh method is

PG.CPU

1/43

control method)

c

..

4

1

L

:

1)

Set a count value read request

2)

The

counter function selection count value is read from

number

set

for n

of

the AlSD62(E/D)’s buffer memory address

Y(n

+

specified for a, and is stored in the device

15).

Set data

A1 first

n

from which the count value will be read

Buffer memory

address from

a

which the count value

Buffer memory address to which

D

the read present value

written

set

for D.

SD62(E/D)’s

I/O

number

will

be read

will

be

the

I/O

3)

Specify partial refresh.

4)

Y(n

+

10)

to

Y(n + 1 D) are partially refreshed.

5)

Reset

the

count value read request

Y(n

+

15).

9-5

9.1.2

Count

errors

When the counter function.selectbn is executed ing the voltage to the F.START terminal) or by the sequence program (turning ON

the counter funcfion selection start command), there

counting.

(1)

The error range when the counter function is executed by

input is shown below:

Max.

count

1

[ms] x pulse input speed [pps] x multiplication number [count]

Min. count

0.1

[ms] x pulse input speed [pps] x multiplication number {count]

(2)

When the counter function is an additional error for one scan of the shown in

(3)

The internal clock error can be calculated as follows: Set time

10000

error:

(1).

x pulse input speed [pps] x multiplication number [count]

..

is

executed by the sequence program, there

by

the external input (apply-

is

an error in

the

PC

CPU

besides the error as

external

POINT^

Mitsubishi recommends that the counter function selection should be

I

executed by theexternal input.

I

9-6

9.2

Count Disable Function

\

L.

.^

.Count

anable

{Y14

(Y1

a}

command

"

6topPhe count opwation,while; the count

enable

c-hmand is

ON.

Counter

statt comhand (Yl6 (YlD),

F.STM?

Present value storage

buffer memory {addresses 4 to (36 to 37)}

f~,+,hn

terminal)

5

1

nl

I

I I

I

J

I

'

Count opera-

'

tion stop

i'

I

;

)I

,

Actual input

I

1

I

Cibmter

I

to

I

buffer memorv

Count operation stop

I

the

value to

present value storage:

be

stored

*

I

'

1) Starts counting pulses when the count enable command (Y14 (YlB)) is turned

2)

Stops counting when the counter function start command (Yl6 (Y1 D), F.START terminal) is turned

ON.

3)

Resumes the counting when the counter function start command (Y16 (YlD), F.START terminal) is turned OFF.

4) Stops the counting when the count enable command (Y14 (YlB)) is turned OFF.

5)

Stops counting independently of the counter function start command (Y16(YlD), F.START terminal), since the count enable

command (Y14(Y1 B)) is OFF.

to

6) Continues

command {Y14(Y1 B)) start command {Y16(Y1

7)

Resumes the counting when the counter function start command

stop the counting even when the count enable

is

turned

D),

ON,

since the counter function

F.START terminal)

is

OFF.

(Y16(YlD), F.START terminal).

9-7

MELSEC-A

9.2.1

Example

program

The following program one mode using

System configuration:

I

1

Devices

(1)

is

to

count pulses

CH1

and execute count disable.

X00

to

X1

to

Y1 F X20

pv";,

F

I

to

A1S

X41

YO0

A1

S

62P

Execution commands

(a) Pulse input mode setting command (b) Count operation start command

(c) Present value read command (d) Count disable function setting command

A1

1

CPU

to

be used:

S

1

in

X3F

I

.......................................................

...........................................................

2-phase

pulse input multiplied by

............................................

........................................

M9038

X20 X21 X22

(e) Count disable start command (f) Count operation stop command

(2)

Relationship between the data register

Buffer memory

Address Contents

DO

r>

V

3

I

Pulse input mode setting

I

Present value

El-

D3

rl>

I

8

I

Counter function setting

...........................................................

.......................................................

(DO

to

D3)

and the buffer memory

I

r>

Dl

to

D2

-I

I

X23 X24

9-8

(a)

Execution using FROMITO instructions

selected

.

r!

(,;,

Pulse input mode setting

M9038

Examptd

program:

r

Count operation start

F0

,----______---------------------------------------------------

I

Present value read

1

I

1

I

Count disable command

x022

[:23

as

c

the

PC CPU

PH

I

TO

0000 3

OFRO

0000

PH

TO

0000

I/O

control

P

rK

[

MOV

K

[

2

W

SET

1;

RST

PK

C

MOV

K

8

0

D3

(whw-ule

method)

1

yo14

.

;I5

YO15

D3

1

.%

YO16

-.method

'

Set the pulse mode consistent with the 2-phase pulse input multiplied by one.

J1

)-I

Start the pulse count with the count enable command (SET).

]

Read the present

value and store it to

devices

Set the count disable function.

Execute the count disable.

Dl

to

D2.

is

'

,

I

Count operation stop

CIRCUIT

END

[

RST

yo14

4

Stop the pulse count with the count enable command (RST).

9-9

(b)

Execution using selected The pottion of the program example shown in broken

Present value read

as

line

the

must

PC

FROM/TO

CPU

be

replaced with the following:

instructions (when the refresh method

I/O

control method)

DFRO

0000

4

(a)

enclosed by the

Read the present

value, and store it

Dl

to

is

D2.

t

’

SEG

SET

K4 K4

~9052

Boo’

9

-

10

.. ..

.

(0)

Exmion using A2ASCPU(SI/S30) dedicated instructions

/.

Present value read

t

POINTI

To

A2ASCPU(SI/S30) dedicated instruction, register AD61 as

type

Ad'sfiown below, A2ASCPU(SI/S30) dedicated instructions can

used%

enctosed

ISUB

-LED+

perform communications with a special function module using an

when setting parameters.

ptaae'bf

by

file

broken

the

$orticin

line.

of

the

program example shown in (a)

LEDA PVRDl

[

HOOOO)-

LEDC

DI

l-

1

5

Read value,

Dl

to

the

present

and

store

D2.

module

it

be

to

9-

11

9.3

Latch Counter Function

Count enable command {Yl4(Y1

Counter present

value

B))

Latch the present value

of

the counter when a signal input is done.

The relationships between the counter present value and the counter start

command and between the present value and

the

latch count value storage

buffer memory are shown below:

ON

OFF

150

100

50

0

Counter function start command (Y16(YlD), terminal}

Latch count value storage buffer mem-

ory

15

(46

F.

START

{addresses 14

to

47)}

to

.,

ON

OFF

I

At the leading edge of the counter function start command (Y16(YlD),

to

1)

to

4) in

the

F.START terminal] (corresponding counter present value is stored {addresses 14

to

15 (46

to

47)}.

Latch count value storage buffer memory

above diagram), the

The latch counter function works whether the count enable command

(Y14(Y1

B))

is

ON

or OFF.

9-

12

..

...

--

..........

9.3.1

Example

.I

program

The

one

System

...

Devices

1

(1)

following program mode using

CH1

is

to

count pulses

and

execute

.,

latch

contiglration:

X00

to X1

to

Y 1 F

D62

WD)

F

X20

A1S

X4

to

1

X3F

A1

YO0

A1

S

CPU 62P

to

be

used:

E-xecution commands

(a) Pulse input mode setting command

(b) Count operation start command (c) Present value read command (d) Latch count value read command

in

2-pMise

pulse input multiplied by

count.

............................................

.......................................................

............

.I

..............................................

....................................................

M9038

X20 X21

X22

(e)

Latch counter function setting command (f) Latch counter execution command (9) Count operation stop command

(2)

Relationship between the data register

Buffer

memory

Address Contents

Do

D5

V

I

Pulse input

Present value

~~

8

Counter fundion value

I

........................................

..................................................

(DO

to

D5)

and the buffer memory

mode

setting

Dl

e

I

to

D2

:

....

X23

X24 X25

>

Counter function setting

!

D3 to 04

9-13

Pulse input mode setting

(a)

The

following program

multiplied

function.

Example program:

by

one mode using

PH K

TO

0000

is

to

count pulses in 2-phase pulse input

CH1

and execute the latch counter

PK

MOV

2

3

DO

1

Set the pulse mode consistent with the

phase pulse input multiplied by one.

2-

9-14

Present value read

(b)

'Execution uslng:FROM/TeO irOstwctions (when the refresh method is

selected

The broken and dotted lines must

as

the

PC

CPU

PO

&ntrol

portions of the program-4xample shown in (a) enclosed

be

method)

replaced with the following:

by

the

c

t

c

I

Sampling counter command

[I[

li[

L

I-?:';[

t

DFRO

SET M9052

SEG

L

H

0000

YO10

K4

RST

SET YO15

K

14

K4

YO10

K4

YO15

D3

BOOl

4

BOOl

Read the present

value, and store

to

Dl

to

D2.

ding Read count the sam-

it

RST YO15

9-f5

Present value read

(c) Execution using A2ASCPU(SI/S30) dedicated instructions

As

shown below, A2ASCPU(Sl/S30) dedicated instructions can be

used in place of the portion of the program example shown in (a) enclosed by the broken line.

y2l\

I[

POINT/

To

A2ASCPU(SI/S30) dedicated instruction, register AD61 as the module type when setting parameters.

I;"

perform communications with a special function module using an

SUB

LEDC

PVRD1

4

HOOOO

Dl

value, Read the

to

Dl

and

to

present store

D2.

it

9-16

9.4

1,

Sarnplhrg

,.

,e,

.

:

Counter

Count the The relationship between each signal and the buffer memory is shown below:

Function

pulses

@hen

a sampling

time

is specified.

Count .enable command {Y14(Y1

Counter present value

Counter start command

{YlS

(YlD), F.START

terminal}

Sampling/periodic time setting buffer memory (addrws 9(41)}

Sampling count value storage buffer memory {addresses 16

(48

to

49)}

to

B))

17

I

Sampling/Cycle counter flag storage buffer mem- 1 ory (address

22)

/

I

0

Operating

Buffer memory

address

Status

1

3)

I

1)

Starts counting input pulses from counter function command (YlS(Y1

2)

Stops counting after the specified sampling time.

3)

One of the following values is stored

4,

,I

1

0

D),

I

1

at the leading edge of the

F.START terminal).

to

the sampling/cycle counter flag storage buffer memory during execution of the sampling counter function:

When

Both

When Only CH1 is

Executing Function

K1

When Only CH2

Executing Function

K2

Is

CH2

CH1 and

are

Function

K3

4) Retains the value stored in the sampling count value storage buffer memory after completing the sampling counter function.

5)

The sampling counter function works whether the count enable

B))

is

ON

or

command (Y14(Y1

OFF.

L

9-17

9.4.1

Example

program

The following program

is

to

count pulses

in

2-phase pulse input multiplied by

one mode using CH1 and execute the sampling counter function.

System configuration:

X00

to

X1 F

YO0

to

Y1

F

X20

to

X3F

A1

S

A1 CPU 62 P

S

AIS

D62

WD)

A1

X4

S

1

Devices to be used:

(1) Execution commands

(a) Pulse input mode setting command (b) Count operation start command (c) Present value read command (d) Sampling count value read command (e) Sampling counter function setting command

(f)

Sampling time setting command

............................................

.......................................................

...........................................................

.............................................

.................................

......................................................

M9038

X20 X21 X22 X23

X24 (9) Sampling counter execution command (h) Count operation stop command:

(2) Relationship between the data register (DO

Buffer memory

Address Contents

'

DO

D6

'I,

3 Pulse input mode setting

4

Present value Dl

5

a

9

Counter function selection setting

Sampling/periodic time setting

...........................................

......................................................

to

D6) and the buffer memory

X25

X26

to

D2

16

17

I

D3

to

D4

9-18

(a)

Execution using

selected

as

the

PC

FROM/TO

CPU

I/O

instructions

control

method)

(when,tRe

--GA

dirsct

method

is

Example

Pulse input mode setting

Count operation start.

3-

ic

progtam:

_.

:

3

PH

TO

0000

DFRO

H

oo00

PK

MOV

K

3

2

DO

[

SET yo14

K

4 Dl

RST

1

YO15

Set the pulse mode consistent with the 2-phase pulse input multiplied by

Start the pulse count with

4

the count enable command (SET).

4

Read the present value and store it to devices Dl to D2.

,

1

,

:

Sampling counter command

F5

I

C

TO

H

PH

0000

PH

0000

K K

RST

PK

[

MOV

2

K

8

D5 1

PK

1000 D6

K K

9

06

[

PLS

'

YO15

D5

1

YO16

I

Read the sampling

count value, and

7

store it to

D3

4

Set the sampling counter function.

Set the sampling time.

4

Execute the periodic pulse counter.

to D4.

:

,

I

Count operation stop

CIRCUIT

END

9-19

-

C

RST YO14

Stop the pulse count with the count enable com-

'

mand

(RST).

Present value read

I-

ll[

(b)

Execuiion using selected as The portions broken and

FROMmO

the

PC

CPU

of

the program example shown in (a) enclosed

dotted

lines

instructions (when the refresh method is

f/O

control method)

must

be

replaced with the following:

[

DFRO

H

0000

SET YO15

K K 4 Dl

E

1

f-

by

the

Read the present value, and store to Dl to D2.

it

SET M9052

K4 K4 YOlO BOO1

c

Sarnpkng

l-~~~[

1

-

'I[

wter

.

C0nuTlan.d

11[

Ii[

IF[

DFRO

RST YO15

SET YO15 pling Read count the sam-

H

0000

K 14 D3

SET M9052

K4 K4

SEG YOlO BOO1

RST YO15

&

E

value, and

'

store

4

D4.

E

it

to D3 to

t

9-20

Pre$ent.yqlw read

(c),

6wcytion

s

As

shown

,us&' io

en~loaed~by

I

POINT

I

.To

perform communications with a special function module using an

A2ASCPU(Sl/S30) dedicated instruction, register AD61 as the module

type when setting parameters.

usiog.A2esCPU(S4/W)

below,

glace

A2ASCP,V(S$!&30)

of

the

pM/p~

the

broken

iine,dL

of

.the

dedicated instructions

dedicated instructions can

program example shown in (a)

PVRDl

SUB

LEDC

HOOOO

Dl

[

LEDR

l-

E

l-

]-

Read the present value, and store to Dl to D2.

be

it

I

9

-21

9.5

Periodic Pulse Counter Function

The periodic pulse counter function stores

the

present and previous counter values in the periodic pulse count present value and previous value storage buffer memories at preset cycles.

The

I

Count enable command {Y14 (Y1

{

Present counter value

Counter function setection (Y1

B)}

startoommand

D),

F.START terminal)

(Y16

relationships between each signal and each buffer memory when the

is

periodic pulse counter function

OFF

A

100

00

4

-1

executed are shown below:

Sampling/Cycle time set-

ting storage buffer

ory

{address 9 (41)}

...

Periodic pulse count present value storage buffer

memory

21 (52 to

Periodic pulse count pre-

vious value storage buffer

memory{addresses 19

{addresses 20

53))

(50

to 51)}

mem-

to

18

to

"

300

200

100

0

Sampling/Cycle counter flag storage buffer

ory

(address 22)Periodic

Pulse Counter Function

mem-

9-22

'-;

(1)

....

The present counter value 0 isetared present value storage buffer memory {addresses

I

:

(hereiw&9~~oaUed

(2)

....

The

present memory. The count value membry,'ff'lsvrittin buffer vious value buffer memory).

(3)

...

;Thepreeenlcottf?#e~

memory. The count value memory, is written

....

The present counter value 100 is stored

(4)

memory. The count value memory, is written

(5)

....

The present counter value memory. The count value memory,

(6)

....

The;pdodic pulse counter function enable command {Y14 (YlB))

(7)

....

One of the following values is stored flag storage buffer memory during execution of the periodic pulse counter function:

county

memory

is

written

thepreaent ualue buffer memory).

value

200,

is

0,

which has been stored in the present value buffer

to

the

periodic

(addresses

200,

to

20,

which has been stored in the present value buffer

to

100,

to

t8'io

value

20

is

which has been stored in the present value buffer

the previous value buffer memory.

50

is stored

which has been stored in

the previous value buffer memory.

is

to.abepariodic

stQfed

pulse

19

stored

ON

to

the present value buffer

'count. previous value storage

(50

to

51)) (hereafter called the pre

to

the present value buffer

to

the present value buffer

to

the present value buffer

is

executed whether the count

or

OFF.

to

the sampling/cycle counter

pulse

20

to

the

present value buffer

21

count

(52

to

53)]

,-

Operating Executing

I

Buffer

memory

address

I

(22)

When Only CH1 is When Only CH2 is

Function

Executing Function ancl

CH2

are

9.

-

23

The following program is by one mode using CH1 and execute

System configuration:

to

count pulses in 2-phase. pulse input multiplied

X00

to

YO0

to

the

periodic pulse counter function.

X1

F

Y1

F

X20

to

X3F

Devices

(1) Execution commands

(2)

to

be used:

(a) Pulse input mode setting command (b) Count operation start command (c) Present value read command (d) Periodic pulse count value read command (e) Periodic pulse counter function setting command (f) Periodic time setting command (9) Periodic pulse counter execution command (h) Count operation stop command

Relationship between

Address Contents

the

data register (DO

Buffer

memorv

Pulse input

mode

............................................

.......................................................

...........................................................

........................................................

.......................................................

setting

.....................................

.........................

...................................

to

D8) and

the

buffer memory

M9038

X20 X21

X22 X23 X24 X25 X26

I

I++

Present value

I

Periodic pulse

count previous value

Periodic pulse

count present value

9

-24

I

>

[-=

->

Dl

03

D5

to

D2

04

D6

(a)

Execution using selected

as

the

PC CPU

FROM/TO

I/O

instructions

(when

control method)

-the

direct

method

is

Pulse input mode setting

Count operation start.

,

x021

i

"

.Example program:

.i

'

PK

Set the pulse mode con-

PH

C

TO

DFRO

0000

H

0000

K

3

K.

04

C

DO

SET

1

YO14

sistent with the 2-phase pulse input multiplied by

Start the pulse count with

4

the count enable command (SET).

Read the present value and store it devices

Dl

to

D2.

to

,

Count operation stop

F6

CIRCUIT

END

4

PH

C

TO

0000

K

PK

MOV

500 OB

K

9

DB

E

RST

K

1

YO14

Read and store the periodic pulse count present value

to

D6, and the peri-

odic pulse count previous value

D4

Set the sampling counter function.

Set the sampling time

Execute the periodic

pulse counter.

Stop the pulse count with

e count enable com-

4

th

mand

to

(RST).

to

D3

D5

to

8

'

9

-25

Present value read

I

x021

+I

(b)

Execution using selected as the The portions of

broken and dotted lines must be replaced with the following:

FROMlTO

PC

CPU

the

program example shown in (a) enclosed by the

[

instructions (when the refresh method is

1/0

control method)

1

DFRO

H

0000

SET YO15

K K

4 Dl

f-

1

Read the present

value, and store it

to

Dl

to

02.

K4

RST

K

16

K

18

M9052

SET-

D3

03

[

SET

[

SEG YO10 BOO1

[

.-

t

Latch count command

DFRO

H

0000

H

.

oo00

SET M9052

SEG YO10 BOO1

>

K4

YO15

E

YO15 Read and store

1 value toD5

K pulse count pre-

1

the periodic pulse

count present and the periodic

vious value

to

D4.

to

D6,

D3

9-26

Present value read

I

x021

I+

t

I

?ILEDA

I

1

PO'lNT1

Exeqution.using

As

show

W

indace

endosed

by

A2ASGPU(Sl/Wj Micated instructions

belapl,.MASCPU@1&.30) dedicated instructions can

of

the

broken

the

portion

line.

of

the

Droaram example shown in (a)

m1

r

PVRDl

HOOOO

Read value, and store

to

Dl

the

to

be

present

it

D2.

I

To

perform communications with a special function module using an A2ASCPU(Sl/S30) dedicated instruction, register type when setting parameters.

AD61

as the module

9-27

IO.

PROGRAMMING

WITH ..

I

A

REMOTE

-L

-.

10.

PWGRAWWG

Program scan time

FOR

I/O

USING

THE

STATION

AI

SD62(ElD)

.MECsEM

FOR

USING

This section describes programming for using the AlSD62(E/D) with a remote

VO

station.

(1)

When the AlSO62(E/D) is used with a

I/O

signals

Communication with this link instruction of the sequence program has been executed.

Thus, several scan times are required

between the AlSD62(E/D) and the PC CPU. As an example, resetting coincidence signal reset command(Y10) is described below, on the

assumption that the A1 SD62(E/D) is allocated

to

the first

point value is 10000.

THE AISD62(E/D)

are processed through a link unit.

I/O

numbers X100 and Y100 and the

SET

Y110

ON

WiTH

unit

a

counter coincidence signal(X01) with a

A

REMOTE

remote

takes place only once after the END

to

complete all handshake signals

VO

STATION

I/O

station, all data and

to

the

slot

corresponding

set

coincidence output

RSTY110

Y,llOOFF

Link scan

Counter value

x1

01

w

XlOi

ON

d

10000/0

1'

Since the time the counter requires

output point value(lOOO0) is longer than the handshake signal process-

ing time between the AlSD62(E/D) and the PC CPU, the module oper-

ates normally.

However, if the counting time is shorter than the handshake signal

processing time (the

10000, or the pulse frequency

performs incorrect operations, or counts a larger value than the

value. (In such a case, the A1 SD62(E/D) cannot be used with a remote

I/O

station. Mount

The above factors may make it difficult

local station. Consider the program scan time, link scan time and count-up time carefully To operate the AlSD62(E/D) through a link unit, with the master station or a local station.

(When using the AlSD62(E/D) with a remote above handshake sequence with extreme care.)

set

coincidence output point value is smaller than

to

it

at the master station or a local station.)

to

allow the A1 SD62(E/D)

w

~101'0~~

J

1

oooo/o

1'

to

count from

be counted is large), the AlSD62(E/D)

to

0

to

the set coincidence

use the AlSD62(E/D) for a

to

operate properly.

it

is advisable

I/O

station, examine the

to

use it

set

10-

1

(2)

lncorprwste as the read instruction from the module

1/0

station. These instructions are executed in however, the following points are different.

ik System Reference

Manual.)

RTQP

st

as

thelvrb

I/c)

.. ..

insifrdctianfo

in

tlwsarne

Of

th@

A1.~3~F/Dl

.

MlA#Sn,M(E/D)anti

the program for

way as TO and FROM,

IS

the

UAu

RFRP

remote

..

SDeclfled

fWhen

toX1001Y100

the

first

I/O

number

to

XlIF/YllF

P

TO

HI0

K3

of

the

AlSD62(E/D) is allocated

W10

n

Specify in three digits.

All

data

is

processed through link registers, the link registers when setting the The following is an example when the AlSD62(E/D) is allocated

00

to

X1 OO/Y1

External preset detection reset

Preset detection

I

reset

X103

11

XI

X1 1 F/Y 1 1 F.

reset

X103

PC

W,

CPU

parameters.

RST

and it is necessary

I

Y116

4

to

set

the

Mode register setting

Mode

register settlng

I/[

M4

Y1OF XllF YIOE XllE

w-)f--)f-$f-[

I-['I_[

X1

IF

10-2

HI00

MOJK,

PLS

SET

HI2

W10

M5

W10

K1

Handshake signal

4

tiplication Select 2 phase,

Write station

Handshake signal

to

remote

by

4

mul-

I/O

,--

10.

PROGRAMMING

WITHiA REMOTE

FOR

I/O

USING THE

STATION

AI

SD62(E/D)

MLm

To

execute the

sponding number of points

loaded in the remote

of the link register.

Set the link register not conflict with that for the system. (See the MELSECNET and MELSECNET/B Data’Link System Reference Manual.)

RFRP/RTOP

to

I/O

station from the first device in the M

to

be used for the RTOP instruction

instructions, the system uses the corre-

the number

of

special function modules

@

R

so

that it will

area

10-3

11.

TROUBLE

11.1

Error

Information

.-

I.

..

SHOOTING

This

section

troubleshosting

-,

Thg,

AlSD62(E/D)

when the coincidence output fuse has blown

EQU

terminals.

describes

for

error

count

information detected

emrs.

turns on the fusdexternal

by

the AlSD62(E/D) and

power

cqtoff detection flag

or

voltage is not applied to the

(XOE)

11

-1

11.2

Counter Value

is

Incorrect

Check item

Is

the pulse input mode consistent with the

pulse input setting

Is

the sequence program data processed

as

24Mt

BtN

Is

a twisted pair wire used as the pulse

input wire?

Does noise come in through the ground of the A1 SD62(E/D)?

Have adequate measures been taken against noise in the panel or noise resulting from the other equipment?

Is

sufficient distance provided between heavy current equipment and counter input line?

Is

the

count

CHP

after the same count value was

entered?

Do the pulses input waveform to the specifications?

data?

value

in

the buffer memory?

the

Same

at

~~

and

.Corr,actlve

)I

Input pulses consistently with the setting.

(see

section

Correct the sequence program

1

data is

Use

a

~~

Disconnect the A1 SD62(E/D) from the

ground.

If

the AlSD62(OD) comes with the ground, separate it from ground.

Provide

switches, etc.

Wire the pulse input line independently, and separate wire

in.) or more from power line.

If

the count value is different, the

hardware is faulty. Investigate the cause

of

the failure, and contact and return it to

our branch office or agent.

Monitor and confirm the input waveform using a synchroscope.

not consistent with the specifications,

correct the waveform.

5)

prow&

twisted

pair

CR

surge suppression to magnetic

Action

c

~24-bit-BCN

wire,

in

panel 150 mm (5.91

If

the waveform

so

that the

data.

contact

the

is

11.3

Count Cannot

be

Made

Check item

Is

the external wiring of 0A and

correct?

When voltage is applied to the pulse input terminals 0A and and

OB

go

Is

the count enable command {Y14 (Y1

ON?

OB,

do the LEDs of 0A

OB

ON?

Does

the PC CPU signal that an error

occurred?

Is

the counter command {Y16 (Y1 voltage applied to the F.START terminal?

function

D)}

selection

ON;

or is the

start

Corrective Action

Check the external wiring, and correct it.

When the external wiring and the pulse generator, and take appropriate measures.

When the LEDs did not go hardware may consult your nearest Mitsubishi

representative.

Turn

B))

(Y1

B)}

When the PC CPU contains an error, the troubleshooting section in the PC CPU manual, and verify the correct operation functions.

When the count dieable function was by the counter function selection, turn {Yl6 (YlD)} or the F.START terminal.

LEDs

went

ON,

be

faulty. In this case,

ON

the count enable command {Y14

with the sequence program.

check the

ON,

the

see

eat

OFF

11

-2

Mitsubishi MELSEC-A, A1SD62, A1SD62E, A1SD62D User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

REVISIONS

INTRODUCTION

SPECIFICATIONS

Functions

INSTALLATION AND PRE-OPERATION SElllNG PROCEDURE

5.2 Counting at 2-Phase Pulse Input

Reading the Present Value

Ring counter function operation

Count range

Count Disable Function

Latch Counter Function

Periodic Pulse Counter Function