gsk GSK 25i PLC User Manual

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Page 1

This user manual describes all items concerning the operation of

this CNC system in detail. However, it is impossible to give particular

descriptions for all unnecessary or unallowable operations due to length

limitation and products application conditions；therefore, the items not

presented herein should be considered impractical or unallowable.

for any organization or individual to publish or reprint this manual. GSK CNC

Equipment Co., Ltd. reserves the right to ascertain their legal liability.

Page 2

GSK 25i Milling CNC System User Manual

Preface

Your Excellency,

We are honored by your purchase of this GSK 25i Milling Machining

Center CNC System made by GSK CNC Equipment Co., Ltd.

This book is “PLC Programming and Connection” section of the User

Manual Volume Ⅱ.

Special caution:

The power supply fixed on/in the cabinet is exclusively used for the

CNC system made by GSK.

It can't be applied to other purposes, or else it may cause serious

danger.

Page 3

Volume Ⅱ PLC Programming and Connection

Warning and Precaution

Accident may occur by improper connection and operation！This system can

only be operated by authorized and qualified personnel.

Please read this manual carefully before operation！

Please read this manual and a manual from machine tool builder carefully before

installation, programming and operation, and strictly observe the requirements.

This manual includes the precautions for protecting user and machine tool. The

precautions are classified into Warning and Caution according to their bearing on safety,

and supplementary information is described as Note. Read these Warnings, Caution and

Note carefully before operation.

Warning

User may be injured or equipment be damaged if operations instructions and

procedures are not observed.

Caution

Equipment may be damaged if operation instructions or procedures are not

observed.

Note

It is used to indicate the supplementary information other than Warning and Caution.

III

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GSK 25i Milling CNC System User Manual

Announcement

● This manual describes various possibilities as much as possible.

However, operations allowable or unallowable cannot be explained

one by one due to so many possibilities that may involve with, so the

contents that are not specially stated in this manual shall be

considered as unallowable.

Caution

● Functions, technical indexes (such as precision and speed) described

in this user manual are only for this System. Actual function

deployment and technical performance of a machine tool with this

CNC system are determined by machine tool builder’s design, so

functions and technical indexes are subject to the user manual from

machine tool builder.

● Refer to the user manual from machine tool builder for function and

meaning of keys on control panel.

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Volume Ⅱ PLC Programming and Connection

Precautions

■ Delivery and storage

● Packing box over 6 layers in pile is unallowed.

● Never climb the packing box, neither stand on it, nor place heavy objects on it.

● Do not move or drag the products by the cables connected to it.

● Forbid collision or scratch to the panel and display screen.

● Avoid dampness, insolation and drenching.

■ Open-package inspection

● Confirm that the products are the required ones.

● Check that the products are not damaged in delivery.

● Confirm that the parts in packing box are in accordance with the order.

● Contact us in time if any inconsistence, shortage or damage is found.

■ Connection

● Only qualified personnel can connect the System or check the connection.

● The System must be earthed, and the earth resistance must be less than 0.1Ω.

The earth wire cannot be replaced by zero wire.

● The connection must be correct and firm to avoid any fault or unexpected

consequence.

● Connect with surge diode in the specified direction to avoid damage to the

System.

● Switch off power supply before plugging out or opening electric cabinet.

■ Troubleshooting

● Only competent personnel are supposed to inspect the System or machine.

● Switch off power supply before troubleshooting or changing components.

● Check for fault when short circuit or overload occurs. Restart can only be done

after troubleshooting.

● Frequent switching on/off of the power is forbidden, and the interval time should

be at least 1 min.

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GSK 25i Milling CNC System User Manual

Safety Responsibility

Manufacturer’s Responsibility

——Be responsible for the danger which should be eliminated and/or controlled on

design and configuration of the provided CNC systems and accessories.

——Be responsible for the safety of the provided CNC systems and accessories.

——Be responsible for the provided information and advice for the users.

User’s Responsibility

——Be trained with the safety operation of CNC system and familiar with the safety

operation procedures.

——Be responsible for the dangers caused by adding, changing or altering to the

original CNC systems and the accessories.

——Be responsible for the failure to observe the provisions for operation, adjustment,

maintenance, installation and storage in the manual.

All specifications and designs herein are subject to change without

further notice.

This manual is reserved by end user.

We are full of heartfelt gratitude to you for supporting us in the use of

GSK’s products.

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Volume Ⅱ PLC Programming and Connection

Contents

Ⅰ PLC PROGRAMMING ...................................................................................................................1

PART 1 PROGRAMMING .............................................................................................................2

1 Sequence Program Creating Process ...................................................................................3

1.1 GSK25i PLC specifications.....................................................................................................3

1.2 What ’s a Sequence Program ................................................................................................3

1.3 Assignment of interface specifications（step 1）...............................................................4

1.4 Establishment of ladder diagram（step 2） ........................................................................4

1.5 Sequence program debugging（step 3） ............................................................................4

2 Sequence Program..................................................................................................................5

2.1 Execution process of sequence program .............................................................................5

2.2 Repetitive cycle ........................................................................................................................6

2.3 Priority of execution(1

level, and 2

2.4 Sequence program structure..................................................................................................7

2.5 Processing I/O (input/output) signals ..................................................................................8

2.6 Interlocking ...........................................................................................................................11

3 Address ...............................................................................................................................12

3.1 Machine →PLC address（X）............................................................................................13

3.2 PLC→machine side address（Y） .....................................................................................15

3.3 PLC→CNC address（G）....................................................................................................16

3.4 CNC→PLC address（F） ....................................................................................................17

3.5 Internal relay address（R） .................................................................................................17

3.6 Address of keep relay（K） .................................................................................................18

3.7 Addresses(A) for message selection ..................................................................................18

3.8 Address of counter（C） ......................................................................................................19

3.9 Address of timer （T）.........................................................................................................19

3.10 Address（D）of data table.................................................................................................20

3.11 Label address（L） .............................................................................................................20

3.12 Subprogram numbers（P） ...............................................................................................20

4 PLC Basic Instruction ...........................................................................................................21

4.1 LD, LDI, OUT, OUTI command ............................................................................................22

4.2 AND, ANI command...............................................................................................................22

4.3 OR, ORI command ................................................................................................................23

4.4 ORB command .......................................................................................................................23

4.5 ANB command ....................................................................................................................... 24

5 PLC Functional Instructions.................................................................................................25

5.1 END1

5.2 END2（2

（1

level sequence program end） ........................................................................26

level sequence program end） .......................................................................27

5.3 TMR（Timer）........................................................................................................................27

5.4 TMRB（fixed timer）.............................................................................................................28

5.5 TMRC（timer）......................................................................................................................29

5.6 DECB（binary decode） ......................................................................................................31

5.7 CTR（counter）.....................................................................................................................32

level).........................................................................6

VII

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GSK 25i Milling CNC System User Manual

5.8 CTRC（counter） ................................................................................................................. 34

5.9 ROTB（binary rotation control） ........................................................................................ 36

5.10 CODB（binary code conversion） ................................................................................... 38

5.11 MOVE（logical product transfer）.................................................................................... 40

5.12 MOVOR（data transfer after logical sum） .................................................................... 41

5.13 MOVB （transfer of 1 byte）............................................................................................ 42

5.14 MOVW （transfer of 2 bytes）......................................................................................... 43

5.15 MOVN（transfer of an arbitrary number of bytes）....................................................... 43

5.16 PARI（parity check） ......................................................................................................... 44

5.17 DCNVB（extended data conversion） ............................................................................ 45

5.18 COMPB（binary compasion）.......................................................................................... 47

5.19 COIN（coincidence check） ............................................................................................. 49

5.20 DSCHB（data search）..................................................................................................... 50

5.21 XMOVB（binary indexed modifier data transfer）......................................................... 51

5.22 ADDB(addition).................................................................................................................... 53

5.23 SUBB（binary subtraction） ............................................................................................. 55

5.24 MULB（binary multiplication） ......................................................................................... 56

5.25 DIVB（binary division） ..................................................................................................... 58

5.26 NUMEB（definition of binary constant）......................................................................... 60

5.27 DIFU（Edge Up detection） ............................................................................................. 61

5.28 DIFD（Edge Down detection）

5.29 SFT（shift register） .......................................................................................................... 63

5.30 EOR（EOR） ...................................................................................................................... 64

5.31 AND（logical and） ............................................................................................................ 66

5.32 OR（logical or）.................................................................................................................. 67

5.33 NOT（logical not） ............................................................................................................. 69

5.34 COM（common line control）........................................................................................... 70

5.35 COME（common line control end） ................................................................................ 71

5.36 JMP（jump）....................................................................................................................... 71

5.37 JMPE（jump end） ............................................................................................................ 73

5.38 CALL（conditional subprogram call） ............................................................................. 73

5.39 CALLU（uncoditional subprogram call） ........................................................................ 74

5.40 JMPB（label jump 1） ....................................................................................................... 75

5.41 JMPC（label jump 2） ....................................................................................................... 76

5.42 LBL（label） ........................................................................................................................ 76

5.43 SP（subprogram） ............................................................................................................. 77

5.44 SPE（end of a subprogram）........................................................................................... 78

6 Ladder Writing Limit...........................................................................................................79

........................................................................................ 62

PART 2 FUNCTION ......................................................................................................................80

1 Preparations for operatoin .............................................................................................81

1.1 Emergency stop ..................................................................................................................... 81

1.2 CNC overtral signal ............................................................................................................... 82

1.3 Alarm signal............................................................................................................................ 83

VIII

1.4 Interlock

................................................................................................................................... 83

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Volume Ⅱ PLC Programming and Connection

1.5 Operation mode selection.....................................................................................................84

2 Manual operation...................................................................................................................85

2.1 JOG feed/incremental feed...................................................................................................85

2.2 MPG / Step feed .....................................................................................................................86

3 Reference Point Return.........................................................................................................88

3.1 Manual reference point return ..............................................................................................88

4 Automatic operation..............................................................................................................91

4.1 Cycle start/feed hold ..............................................................................................................91

4.2 reset .........................................................................................................................................94

4.3 Testing a program ..................................................................................................................95

4.4 Optional block skip.................................................................................................................98

4.5 Program restart.......................................................................................................................99

5 Feedrate Control..................................................................................................................101

5.1 Rapid traverse rate ..............................................................................................................101

5.2 Override .................................................................................................................................102

6 Auxiliary Function ...............................................................................................................104

6.1 Miscellaneous function ........................................................................................................104

6.2 Auxiliary function lock ..........................................................................................................109

7 Spindle Speed Function......................................................................................................111

7.1 Spindle speed control mode ............................................................................................... 111

7.2 Spindle speed arrival signal................................................................................................113

7.3 Rigid tapping .........................................................................................................................114

8 Tool function........................................................................................................................115

8.1 T command tool change.........................................................................................................115

9 Programming command .....................................................................................................115

9.1 Custom macro program .........................................................................................................115

Ⅱ CONNECTION ........................................................................................................................... 118

1 GSK25i System Box Interface..........................................................................................121

2 Operation panel interface.................................................................................................122

2.1 Sketch map of machine operation panel interface.............................................................122

2.2 GSK 25i CNC system communication interface XS21......................................................122

2.3 Emergency stop power-on interface ....................................................................................122

3 I/O Interface .......................................................................................................................123

4 Interconnection Graph .....................................................................................................125

5 PC serial communication wire.........................................................................................126

6 MPG Wiring .......................................................................................................................127

7 Operation Panel Signal Line ............................................................................................129

8 Ethernet Communication Connection.............................................................................130

9 Connected with the Spindle Servo ..................................................................................132

10 Connected with the Spindle Converter .........................................................................133

11 Connection Method of Z Brake, System Power-on Control ........................................134

12 I/O Input, Output Signal..................................................................................................135

12.1 Connection method of input signal.....................................................................................135

12.2 Connection method of output signal ..................................................................................136

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GSK 25i Milling CNC System User Manual

12.3 Definition of input signal point ............................................................................................ 137

12.4 Definition of output signal point.......................................................................................... 139

APPENDIX ......................................................................................................................................141

1 Signal table(address order)................................................................................................141

2 Contour installation dimension drawing...........................................................................145

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Volume Ⅱ PLC Programming and Connection

Ⅰ PLC PROGRAMMING

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GSK 25i Milling CNC System User Manual

Part 1 Programming

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Volume Ⅱ PLC Programming and Connection

1 Sequence Program Creating Process

1.1 GSK25i PLC specifications

Specification of GSK25i PLC are as follows(see Table 1-1):

Table 1-1

Programming method language Ladder, command table

Mean processing time of basic command 0.5(μs/step)

Specification

Number of ladder level 2

1st level execution period 8ms

Program capacity 12000 steps

Command

Internal relay （R） Data table （D） Meter （C） Timer （T） PLC alarm detection （A） Keep relay （K） Label （L） Subprogram （P）

Machine →PLC(X)

PLC→machine (Y)

CNC→PLC(F)

PLC→CNC(G)

400 bytes （C0 to C399）100PCS

200 bytes （T0 to T199）100PCS

GSK25i PLC

Functional command：44

1100 bytes（R0 to R1099）

1860 bytes （D0 to D1859）

32 bytes(A0 to A31)

32 bytes(K0 to K31)

9999（L1～L9999）

512（P1～P512）

128 bytes（X0 to X127） 128 bytes （Y0 to Y127） 256 bytes （F0 to F255）

256 bytes （G0 to G255）

P：10

1.2 What ’s a Sequence Program

A sequence program is a program for sequence control of machine tools and other systems.

The program is converted into a format to enable CPU execute encoding and arithmetic

processing, and stored into RAM. CPU reads out every instruction stored in the memory at a

high-speed and execute the program by arithmetic operation

The sequence program is written firstly from ladder.

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GSK 25i Milling CNC System User Manual

1.3 Assignment of interface specifications（step 1）

After deciding the control object specification, calculate the number of input/output signal points,

create the interface specification.

For input/output interface signals, see Chapter 4.

1.4 Establishment of ladder diagram（step 2）

Express the control operations decided by 25i ladder diagram. For the timer, meter, etc, which

cannot be expressed with the functional instructions.

The edited ladder should be converted into the corresponding PLC instruction i.e. instruction list

to store.

1.5 Sequence program debugging（step 3）

The sequence program can be debugged in two ways:

1） Debug by simulator

Instead of the machine, connect a simulator (consisting of lamps and switches). Switch

ON/OFF stands for the input signal state of machine, lamp ON/OFF for the output signal state.

2） Actual operation debugging

Debug sequence program through operating the machine. Do measures against the

unexpected affairs before debugging.

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Volume Ⅱ PLC Programming and Connection

2 Sequence Program

Since PLC sequence control handled by software and operates on principle difference from a

general relay circuit, the sequence control method must be fully understood in order to design PLC

sequence program.

2.1 Execution process of sequence program

In general relay control circuit, each relay operates at approximately the same time, in the figure

below for example, when relay A operate, the relay D and E operate at approximately the same

time(when contacts B and C are off)., In PLC sequence control, each relay of circuit operates

sequentially. When relay A operates, relay D operates, then relay E(see Fig.2-1). Thus each relay

operates in sequence which can be written as a ladder diagram. (Programmed sequence).

Fig. 2-1(a)

Fig.2.1(b) and (c) illustrate operations varying from the relay circuit to PLC programs.

Fig. 2-1(b)

Fig.2-1(c)

A C

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GSK 25i Milling CNC System User Manual

(1) Relay circuit

In Fig. 2.1(b) and (c), the operations are the same. Turning on A turns on B and C. Turning on C

turns off B.(2) PLC program

In Fig.2.1(b), as in the relay circuit, turning on A turns on B and C, and after one cycle of the PLC

sequence, turns off B. But in Fig.2.1(c), turning on A turns on C, but does not turn on

2.2 Repetitive cycle

The PLC executes the ladder diagram from the beginning to the end . When the ladder diagram

ends, the program starts over from the beginning. This is called repetitive operation.

The execution time from the beginning to the end of the ladder diagram is called the sequence

processing time. The shorter the process time is, the better the signal response becomes.

2.3 Priority of execution(1

GSK25i PLC consists of two parts: 1st level sequence part, 2nd level sequence part. They have

different execution period.

The 1

level sequence part operates every 8 ms, which can deal with the short pulse signal with

level, and 2nd level)

high-speed response).

The 2

level sequence part operates every 8*n ms. Here N is a dividing number for the 2nd level

sequence part. The 2nd level sequence part is divided into V part, and every part is executed every

8ms.

level

sequence part

END1

Specifies the end of the 1st level sequence part

Division 1

Division 2

level

sequence program

END2

Division n

Fig. 2-2

Specifies the end of the

2nd level sequence part

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Volume Ⅱ PLC Programming and Connection

GSK 25i PLC is solely executed in PLC-AVR single chip, and the first 1ms of each 8ms is the

communication time of CNC reading or writing PLC data. The fifth 1ms is the time that the PLC receives the system control signal（F, X ）and uploads the control result data（G, Y p ar am et er ）to the external I/O interface（X, Y）, except for the time responding the interruption to exchange the data, the

PLC executes the ladder operation at the rest time.

1stlevel

level

CNC use

8 ms

3 ms

Division 1

3 ms

Division 2

8 ms

3 ms

Division n

Fig. 2-3

After the last 2nd level sequence part (division n) is executed, the sequence program is executed

again from the beginning. Thus, when the dividing number is n, the cycle of execution is 8*n ms. The

level sequence operates every 8ms, and the 2nd level sequence every 8*n ms. If the steps of the

level sequence is increased, the steps of the 2nd level sequence operating within 4ms becomes

less, thereby increasing the dividing number and making the processing time longer. Therefore, it is

desirable to program so as to reduce the 1

level sequence to a minimum.

2.4 Sequence program structure

With the conventional PLC, a ladder program is described sequentially. By employing a ladder

language that allows structured programming, the following benefits are derived:

1. A program can be understood and developed easily

2. A program error can be found easily.

3.When an operation error occurs, the cause can be found easily.

Three major structured programming capabilities are supported:

1） Subprogram

A subprogram can consist of a ladder sequence as the processing unit.

Fig. 2-4

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GSK 25i Milling CNC System User Manual

2) Nesting

The Ladder subprograms can call the other ladder subprogram to execute the job.

Main program

Subprogram 2 Subprogram 1

Job A

Job A1

Job A11

Job B

Job An

Job A12

Fig. 2-5

3) Conditional branch

The main program loops and checks whether conditions are satisfied. If a condition is satisfied, the

corresponding subprogram is executed. If the condition is not satisfied, the subprogram is jumpped.

Main program

State 1

Subprogram 1

Process 1

Process 11

State 2

Process 2

Process 12

Fig. 2-6

Process 13

2.5 Processing I/O (input/output) signals

Input signal processing:

CNC

8ms

CNC—PLC

Input signals from

machine tool

IO interface

PLC

2nd sequence part

starting memory

2nd sequence part

input signal memory

Fig. 2-7

1st level

sequence

part

2nd level

sequence

part

Page 19

Output signal processing:

CNC

CNC—PLC Share memory

output memory from

machine tool

8ms

IO interface

2.5.1 Input signal processing

Volume Ⅱ PLC Programming and Connection

PLC

Fig. 2-8

1st level

sequence part

level

sequence part

（1）Input memory of NC

The input signals from NC are loaded in memory of NC and are transferred to the PLC at

intervals of 8ms. Since the 1

level sequence part directly refer to these signal and process

operations.

（2）Input signal memory to machine tool

The input signal memory stores signals transferred from the machine tool at intervals of 8ms

period. Since the 1

（3）2

level input signal memory

level sequence part directly refer to these signal and process operations.

The 2nd level input signal memory is also called as 2nd level synchronous input signal memory.

The stored signals are processed by the 2

synchronizes with that of 2

level sequence part.

Input memory Signals from NC and machine tool are transferred to the 2

memory only at the beginning of execution of the 2

level synchronous input signal memory does not change from the beginning to end of the

execution of the 2

level sequence part.

level sequence part. State of the signals set this memory

level input signal

level sequence part. Therefore, the state of the

2.5.2 Output signal processing

（1）NC output memory

The output signals are transferred form the PLC to the NC output memory at intervals of 8ms.

（2）Output signals to machine tool

Output signal to the machine tool from PLC output signal memory to the machine tool at intervals

of 8ms.

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GSK 25i Milling CNC System User Manual

Note:

The state of the NC input memory, NC output memory, input signals from machine, input/output

memory signals to machine can be checked by using the PC self-diagnosis function. The

self-diagnosis number specified is the address number used by the sequence program.

2.5.3 Synchronous processing the short pulse signal

1st program can process the short pulse signal. When the short pulse signal change is less than

8ms, i.e.when the system executes the 1

followings.

program, the input signal state can change to cause the

Fig. 2-9

When A＝0 and B1＝1，A becomes 1, at the moment, the system executes the next

ladder statement to make B2＝1. so, B1 and B2 become 1.

END1

Fig. 2-10

When the medium relay R synchronously processes the signal A, B1, B2 are not 1 at the same

time.

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Volume Ⅱ PLC Programming and Connection

2.5.4 Difference state of signals between 1st level and 2nd level

The state of the same input signal may be different in the 1st level and 2nd level sequences. That

is, at 1

performed using the 2

sequence execution at the worst, compared with a 1

This must be kept in mind when writing the sequence program.

level, processing is performed using input signal memory and at 2nd level, processing is

level synchronous input signal memory. Therefore, it is possible for a 2nd level

level input signal.

division of 2nd

level sequence part

Fig. 2-11

When the processing is 1st 8ms, A=1, and B=1 after 1st sequence part is executed. At the same

time, 2nd sequence part is started to execute A=1 is stored to the 2nd sequence part and the 1st

division of 2nd sequence part is executed.

When the processing is 2nd 8ms, A=0, and B=0 after 1st sequence part is executed. And then

2nd division of 2nd sequence part is executed, at this time, A is still 1. So C=1.

So, B and C are different.

2.6 Interlocking

Interlocking is externally important in sequence control safety.

Interlocking with the sequence program is necessary. However, interlocking with the end of the

electric circuit in the machine tool magnetic cabinet must not be forgotten. Even though logically

interlocked with the sequence program (software), the interlock will not work when trouble occurs in

the hardware used to execute the sequence program. Therefore, always provide an interlock inside

the machine tool magnetic cabinet panel to ensure operator safety and to protect the machine from

damage.

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GSK 25i Milling CNC System User Manual

3 Address

An address shows a signal location. Addresses include input/output signals with respect to the

machine, the input/output signals with respect to the CNC, the internal relays, the meters, the keep

relays, and data table. Each address consists of an address number and a bit number. Its serial

number regulations are as follows:

Address regulations:

The address comprises the address type, address number and the bit number in the format as

shown below:

Type: including X, Y, R, F, G K, A, D ,C, T

Address number: decimal serial number stands for one byte.

Bit number: octal serial number, 0～7 stands for 0～7 bit of byte of front address number

GSK25i PLC address type is as follows Fig.3-1：

Emergency stop, jump and other

high-speed signals

Machine to PLC

Input signal

PLC to machine

Output signal

Nesting

PLC

Fig. 3-1

PLC to NC

NC to PLC

25i

CNC

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Volume Ⅱ PLC Programming and Connection

Table 3-1

Address Address explanation Address range

X machine→PLC(128 bytes)

Y PLC→machine(128 bytes)

F CNC→PLC(256 bytes)

G PLC→CNC(256 bytes)

R Internal relay(1100 bytes)

D Data register(1860 bytes)

C Counter (400 bytes)

T Timer (200 bytes)

A Timer preset data register (32 bytes)

Keep relay（32 bytes） K0～K31

3.1 Machine →PLC address（X）

X0～X127 Y0～Y127

F0～F255 G0～G255 R0～R1099 D0～D1859

C0～C 399

T0～T199

A0～A31

X addresses of GSK25i PLC are divided into two:

1. X addresses are assigned to IO input interface.

2. X addresses are assigned to the input press keys on MDI panel.

3. X addresses are assigned to other external interfaces, such as the spindle, MPG control signal

input.

3.1.1 Assignment of IO module X address

The addresses are from X9 to X119. Its type is INT8U, 111 types.

The signal specification of X addresses can be customized by customer according to the actual

operation. X addresses are used to connect the machine tool with the ladder. For the initial definition

of input address, see Chapter Four Connection.

3.1.2 Assignment of MDI panel X address

The addresses are from X0 to X8, 9 bytes. They correspond to the press keys on MDI panel.

The corresponding relationship between them and the press keys on the standard panel is as Fig.

3-2:

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GSK 25i Milling CNC System User Manual

Table 3-2

INPUT KEY ON

OPERATION PANE L

Auto mode X0.0 -Z X3.5

Edit mode X0.1 -4 X3.6

MDI mode X0.2 -5 X3.7

Manual mode X0.3 Spindle CW X4.0

MPG mode X0.4 Spindle stop X4.1

Zero mode X0.5 Spindle CCW X4.2

DNC mode X0.6 Spindle orientation X4.3

USER1 X0.7

Single block X1.0

Jump X1.1

Machine lock X1.2

Auxiliary lock X1.3

+4 X1.4

+Z X1.5

-Y X1.6 Tool magazine infeed X5.3

+5 X1.7 Tool retraction X5.4

Dry run X2.0 Tool change manipulator X5.5

Overtravel release X2.1 Tool magazine CW X5.6

Optional stop X2.2 Tool magazine zero X5.7

Program restart X2.3 Clamp/release X6.0

+X X2.4 USR2 X6.1

Rapid X2.5 USR3 X6.2

Step X2.6 USR4 X6.3

-X X2.7 Feed hold X6.4

Cooling X3.0 Cycle start X6.5

Lubricating X3.1 Tool magazine CCW X6.6

Chip removal

Working light

+Y X3.4 Emergency stop X8.4

PLC

ADDRESS

X3.2 Feedrate override, up to

X3.3 Spindle override, up to

INPUT KEY ON

OPERATION PANE L

F0／0.001

25%／0.01

50%／0.1

100%／1

24-gear(no output light)

16-gear（no output light）

PLC

ADDRESS

X4.4

X4.5

X4.6

X4.7

X7.0-X7.4

X8.0-X8.3

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Volume Ⅱ PLC Programming and Connection

3.1.3 MPG signal input X address

Table 3-3

MPG signal input

HDC0_STP （MPG emergency stop signal） HDC0_MX100（MPG federate override） HDC0_MX10 （MPG federate override） HDC0_MX1 （MPG federate override）

HDC0_5 （5th axis）

PLC address

X121.0

X120.0

X120.1

X120.2

X120.3

HDC0_4 （4th axis） HDC0_Z （Z axis） HDC0_Y （Y axis） HDC0_X （X axis）

X120.4

X120.5

X120.6

X120.7

3.2 PLC→machine side address（Y）

Y addresses of GSK25i PLC are divided into three:

1. Y addresses are assigned to IO input interface.

2. Y addresses are assigned to the indicators on MDI panel.

3. Y addresses are assigned to the indicators on MPG.

3.2.1 Y address of I/O output interface

The addresses are from Y8 to Y119. Its type is INT8U, 112 types.

The signal specification of Y addresses can be customized by customer according to the actual

operation. Y addresses are used to connect the machine tool with the ladder. For the initial definition

of input address, see Chapter Four Connection.

3.2.2 Assignment of IO module Y address

The addresses are from Y0 to Y7, 8 bytes. They correspond to the indicators on MDI panel, and

their signal definitions cannot be changed by user.

Addresses and indicators are as follows Table.3-4:

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GSK 25i Milling CNC System User Manual

Table 3-4

OUTPUT KEY ON

OPERATION PANE L

PLC

ADDRESS

OUTPUT KEY ON

OPERATION PANE L

PLC

ADDRESS

Auto key indicator Y0.0 -Z key indicator Y3.5

Edit key indicator Y0.1 -4 key indicator Y3.6

MDI key indicator Y0.2 -5 key indicator Y3.7

Manual key indicator Y0.3 Spindle CW key indicator Y4.0

MPG key indicator Y0.4 Spindle stop key indicator Y4.1

Zero key indicator Y0.5 Spindle CCW key indicator Y4.2

DNC key indicaor Y0.6 Spindle orientation key indicator Y4.3

USER1 key indicaor Y0.7

Single block key indicaor Y1.0

Jump key indicator Y1.1

Machine lock indicator Y1.2

F0／0.001 key indicator

25%／0.01 key indicator

50%／0.1 key indicator

100%／1 key indicator

Y4.4

Y4.5

Y4.6

Y4.7

Auxiliary lock indicator Y1.3 Tool magazine infeed key indicator Y5.3

+4 key indicator Y1.4 Tool retraction key indicator Y5.4

+Z key indicator Y1.5 Tool change key indicator Y5.5

-Y key indicator Y1.6 Tool magazine CW key indicator Y5.6

+5 key indicator Y1.7 Tool magazine zero key indicator Y5.7

Dry run key indicator Y2.0 Clamp/release tool key indicator Y6.0

Overtravel release key indicator Y2.1 USR2 key indicator Y6.1

Optional stop key indicator Y2.2 USR3 key indicator Y6.2

Program restart key indicator Y2.3 USR4 key indicator Y6.3

+X key indicator Y2.4 Feed hold key indicator Y6.4

Rapid key indicator Y2.5 Cycle start key indicator Y6.5

Step key indicator Y2.6 Tool magazine CCW key indicator Y6.6

-X key indicator Y2.7 X zero return indicator Y7.0

Cooling key indicator Y3.0 Y zero return indicator Y7.1

Lubricating key indicator Y3.1 Z zero return indicator Y7.2

Chip removal key indicator Y3.2 4

Working light key indicator Y3.3 5

zero return indicator Y7.3

zero return indicator Y7.4

+Y key indicator Y3.4 System alarms Y7.6

3.2.3 MPG signal light output

MPG signal light output

Y120.0

3.3 PLC→CNC address（G）

Addresses are from G0 to G255. Type: INT8U,256 bytes. G addresses are the signals from PLC

to NC, and these signals have been defined in designing the CNC system and cannot be modified.

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Volume Ⅱ PLC Programming and Connection

The concrete is referred to Appendix 1.

3.4 CNC→PLC address（F）

A ddresses are from F0 to F255. Type: INT8U,256 bytes. F addresses are the signals from NC to

PLC, and these signals have been defined in designing the CNC system and cannot be modified. The

concrete is referred to Appendix 1.

3.5 Internal relay address（R）

The address area is cleared to zero when the power is turned on.

Type: INT8U, with 1100 bytes.

Fig. 3-2

Note: the addresses from R1000 are used by PLC. For example: ADDB, SUBB, COMB functional command

operation result are output to the register:

#7 #6 #5 #4 #3 #2 #1 #0

R1000 Overflow Negative Zero

Fig. 3-3

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GSK 25i Milling CNC System User Manual

3.6 Address of keep relay（K）

The area is used for the keep relays and PLC parameters. Since this area is nonvolatile, the

content of the memory do not disappear even when the power is turned off.

Type: INT8U, with 32 bytes

Fig. 3-4

3.7 Addresses(A) for message selection

The address area is cleared to zero when the power is turned on.

Type: INT8U, with 32 bytes.

Fig. 3-5

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Volume Ⅱ PLC Programming and Connection

3.8 Address of counter（C）

The area is used as storing current counting value in meter.

Type: 400 bytes.

C1～C100: count range: 0～65535, can set increase/reducing count, and the counting value

does not disappear even when the power is turned off.

3.9 Address of timer （T）

Type: 200 bytes.

T1～T100，The timing value does not disappear even when the system is turned off.

Fig. 3-6

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GSK 25i Milling CNC System User Manual

Fig. 3-7

3.10 Address（D）of data table

Each data register has 8-bit, two continuous data registers can store 16-bit data, four continuous

data registers can store 32-bit data.

The content of the memory do not disappear even when the power is turned off.

Number of data table：D0～D1859，1860 bytes.

Fig. 3-8

3.11 Label address（L）

Label addresses are used to specify jump destination labels and LBL labels in JMPB instructions.

Range: L0～L9999

3.12 Subprogram numbers（P）

Subprogram numbers are used to specify jump destination subprogram labels and SP instruction

subprogram labels in CALL instruction. Range: P0～P511.

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Volume Ⅱ PLC Programming and Connection

4 PLC Basic Instruction

Designing a sequence program begins with writing a ladder diagram. The ladder diagram is

written using relay contact symbols and functional instruction code. Logic written in the ladder

diagram is entered as a sequence program in the Programmer. There are two sequence program

entry methods. One is the entry method with the mnemonic language (PLC instructions such as RD,

AND, OR). The other is the relay symbols of the ladder diagram. When the relay symbol method is

used, the ladder diagram format can be used and programming can be performed without

understanding the PLC instruction format.

Actually, however, the sequence program entered by the relay symbol method is also internally

converted into the instruction corresponding to the PLC instruction.

The basic instructions are often used when the sequence program is designed, and the execute

one-bit operation.

GSK25i basic instructions are as follows(see Table 4-1):

Table 4-1

Instruction Function

LDI

OUT

OUTI

AND

ANI

OR Induces a logical sum.

ORI

Shifts left the content by one bit in register and sets the state of a

specified signal in ST0.

Shifts left the content by one bit in register and sets the logic state

of a specified signal in ST0.

Outputs the results of logic operation to a specified address.

Inverts the results of logical operations and output it to a specified

address.

Induces a logical product.

Inverts the state of a specified signal and induces a logical

product.

Inverts the state of a specified signal and induces a logical sum.

ORB

ANB

Sets the logical sum of ST0 and ST1, and shifts the stack register

right by one bit.

Sets the logical product of ST0 and ST1, and shifts the stack

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GSK 25i Milling CNC System User Manual

4.1 LD, LDI, OUT, OUTI command

Instructions and functions（Table 4-2）：

Table 4-2

Instruction Function

LDI

OUT

OUTI

Instruction specifications:

z WRT, WRT. NOT are the output relay, internal relay instructions. They cannot be used to input

relay.

z The parallel WRT instruction can be continuously used many times.

Programming

LD X002.1

OUT Y003.7

LDI F100.3

OUT G120.0

Shifts left the content by one bit in register and sets the state of a specified

signal in ST0.

Shifts left the content by one bit in register and sets the logic state of a

specified signal in ST0.

Outputs the results of logic operation to a specified address.

Inverts the results of logical operations and output it to a specified address.

4.2 AND, ANI command

Instructions and functions（Table 4-3）：

Table 4-3

Instruction Function

AND Induces a logical product.

ANI Inverts the state of a specified signal and induces a logical product.

Instruction specifications:

z AND, ANI can connect with one contact in serial. The serial contact numbers are not limited

and they can be used many times.

Programming

LD X002.1

ANI F100.3

AND X008.6

OUT Y003.7

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Volume Ⅱ PLC Programming and Connection

4.3 OR, ORI command

Instructions and functions (Table 4-4)

Table 4-4

Instruction Function

OR Induces a logical sum.

ORI Inverts the state of a specified signal and induces a logical sum.

Instruction specification:

z OR, ORI can connect with one contact in parallel.

z OR, ORI begins from their step, which can connect with the mentioned step in parallel.

Programming:

LD X002.1

ORI F100.3

OUT Y003.7

4.4 ORB command

Instruction and function(Table 4-5):

Table 4-5

Instruction Function

ORB Sets the logical sum of ST0 and ST1, and shifts the

stack register right by one bit.

Instruction specification:

z ORB a sole instruction without other address.

Programming

LDI F100.3

AND F100.6

ORB

OR R022.1

OUT Y003.7

LD X002.1

ANI X002.2

As the above figure, there are three branch circuit ①，②， from left bus to the node N1, among ③

which ①， is circuit block in series; when there is the serial circuit block in the par② allel from the bus

to node or between nodes, the following branch end uses LD instruction except for the first branch.

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GSK 25i Milling CNC System User Manual

The branch is not serial circuit block to use OR instruction. ③

ORB and ANB are instructions without operation components, indicating the OR, AND

relationship between circuit blocks.

4.5 ANB command

Instruction and function（Table 4-6）：

Table 4-6

Instruction Function

ANB Sets the logical product of ST0 and ST1, and shifts the stack register right by one bit.

Instruction specification

z When the branch loop (parallel loop block) is connected to the previous loop in series, use

ANB instruction. The starting point of branch uses LD, LDI instruction, after the parallel loop

block ends, ANB instruction is connected to previous loop in series.

z ANB a sole instruction without other address.

Programming

LD X002.1

ORI F100.3

ORI X011.0

LD R100.0

ANI R100.3

LD G003.3

AND R009.7 ORB ← ⑴ ANB ← ⑵

OUT Y003.7

As the above figure and instruction list, ORB reportS the series circuit block in block is ⑴②

connected parallel ANB reports the block and are connected in series. ⑵①②

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Volume Ⅱ PLC Programming and Connection

5 PLC Functional Instructions

Basic instructions such as controlling operations of machine tool are difficult to program,

therefore, functional instructions are available to facilitate programming.

25i functional instruction as follows(Table 5-1):

Table 5-1

No. Instruction Processing

0 END1 End of a 1st level ladder program

1 END2 End of a 2nd level ladder program

2 TMR Timer processing

3 TMRB Fixed timer processing

4 TMRC Timer processing

5 DECB Binary decoding

6 CTR Counter processing

7 CTRC Counter processing

8 ROTB Binary rotation control

9 CODB Binary code conversion

10 MOVE Data transfer after logic AND

11 MOVOR Data transfer after logic OR

12 MOVB Transfer of 1 byte

13 MOVW Transfer of 2 bytes

14 MOVN Transfer of an arbitrary number of bytes

15 PARI Parity check

16 DCNVB Data conversion

17 COMPB Binary comparison

18 COIN Coincidence check

19 DSCHB Binary data search

20 XMOVB Binary indexed data transfer

21 ADDB Binary addition

22 SUBB Binary subtraction

23 MULB Binary multiplication

24 DIVB Binary division

25 NUMEB Binary constant definition

26 DIFU Edge Up detection

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GSK 25i Milling CNC System User Manual

27 DIFD Failing edge detection

28 SFT Register shift

29 EOR Exclusive OR

30 AND Exclusive AND

31 OR Exclusive OR

32 NOT Logic NOT

33 COM Common line control

34 COME End of common line control

35 JMP Jump

36 JMPE End of a jump

37 CALL Conditional subprogram call

38 CALLU Unconditional subprogram call

39 JMPB Label jump

40 JMPC Label jump

41 LBL Label

42 SP Subprogram

43 SPE End of a subprogram

5.1 END1（1

level sequence program end）

Function:

It must be specified once in a sequence program, either at the end of the 1

the beginning of the 2

level sequence when there is no 1st level sequence. It can write 500 steps.

Format:

Fig. 5-1

Command table format：

Table 5-2

No. Command Operand Remark

1 FUNC 0 End of 1st level program

level sequence, or at

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Volume Ⅱ PLC Programming and Connection

5.2 END2（2

Function:

Specify at the end of 2

Format:

Command table

Note: Only the subprograms of SP head, SPE end are added to the ladder following END2, otherwise,

the system prompts the wrong.

level sequence program end）

level sequence.

Fig. 5-2

Table 5-3

No. Command Operand Remark

1 FUNC 1 End of 2nd level program

5.3 TMR（Timer）

Function:

This is an on-delay timer.

Format:

Command table format:

No. Command Operand Remark

1 LD

2 FUNC 2 Timer command TMR

3 PRM ○○○ Timer number

4 OUT

Fig. 5-3

Table 5-4

○○○○．○

Exclusive conditions

Timer relay

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GSK 25i Milling CNC System User Manual

Control conditions： ACT＝0，turns off timer relay.

ACT＝1，start TIMER.

Concrete working conditions are as follows:

Fig. 5-4

Parameter

：

Timer number：reports with ○○○, ○○○ are the number(1～100).

Output：

OUT ： timer relay.

OUT =1 ACT processing is done and reaches the preset time, the timer relay

processing is done, OUT =1.

OUT =0 ACT processing is not done or has not reached the preset time, the timer

relay is turned off, OUT =0.

Setting timer：

For timer TMR delay time setting value, 1

the maximum setting value is 3145680ms; when the value less than 48ms is omitted; 21

to 100

timer take 8ms as the unit setting and the maximum setting value is 524280ms,

and the value less than 8ms is omitted.

For example: when the 1

timer value is 100ms, the set actual value is 96ms, 100=48×2+4 and the

remainder 4 is omitted.

-20

timer take 48ms as the unit setting, and

5.4 TMRB（fixed timer）

Function：

The timer is used as a fixed on-delay timer.

Format：

Fig. 5-5

Page 39

Command table format：

Volume Ⅱ PLC Programming and Connection

Table 5-5

Control condition：

ACT=0：turn off timer relay.

ACT=1：start timer.

Parameter:

No. Command Operand Remark

1 LD

2 FUNC 3 Fixed timer TMRB

3 PRM ○○○ Timer number

4 PRM ○○○○ Timer time

5 OUT

○○○○．○

Exclusive conditions

Timer relay

Timer number set timer number of the fixed timer (1~100).

Timer time setting preset time（set delay time 8ms~999999ms）

The range of the preset time is 8ms nd the remainder is omitted. For example: the preset is

38ms, 38==8*4+6, and the remainder is discarded and the actual setting time is only 32ms.

Timer relay

：

OUT ： timer relay.

OUT=1 ACT processing is done and reaches the preset time, the timer relay

processing is done, OUT=1.

OUT=0 ACT processing is not done or has not reached the preset time, the timer

relay is turned off, OUT=0.

Note: TMR timer number can set the timer parameter to be modified, and it is saved when power-off;

the fixed timer number of TMRB is a timer parameter directly processed in the system internal,

is saved when power off, and cannot be modified by the user.

5.5 TMRC（timer）

Function：

TMRC is the on-delay timer using the address to set the fixed time. The processing data type is

the binary data.

Format:

Fig. 5-6

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GSK 25i Milling CNC System User Manual

Command table format：

Control condition：

ACT=0：turns off the timer relay.

ACT=1：starts the timer.

No. Command Operand Remark

1 LD

2 FUNC 4 TMRC command

3 PRM ○ Timer precision

4 PRM ○○○○ Timer time address

5 PRM ○○○○ Time register

6 OUT

Table 5-6

○○○○．○

Exclusive conditions

Timer relay

Parameter:

Timer precision: timer precision, parameter setting value, setting time and error are

as follows:

Table 5-7

Timer accuracy Setting value Setting time Timer accuracy error

8 ms 0 8 ms to 52428 ms 0 to ±8ms

48 ms 1 48 ms to 3145680 ms 0 to ±8ms

1s 2 1s to 65535 s 0 to ±8ms

Setting time address: the first address of the timer set time filed.

Timer register address: the first address of a specified continuous four-byte R is used as

the system working area and is used in timer working.

Timer relay:

OUT ： timer relay.

OUT =1 ACT processing is done and reaches the preset time, the timer relay

OUT =0 ACT processing is not done or has not reached the preset time, the timer

Fig. 5-7

processing is done,，OUT =1.

relay is turned off, OUT =0.

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Volume Ⅱ PLC Programming and Connection

5.6 DECB（binary decode）

Function：

DECB decodes the binary data with 1, 2, 4 bytes, the corresponding output data is 1 when one

of the specified 8-digit continuous data is equal to the code data, and 0 when not.

The command is used to decode M or T function.

Format：

Control condition：

ACT＝0：resets all the output data bits.

ACT＝1：decodes data. Results of processing is set in the output data address.

Command table format：

Parameters：

Format specification: Set the size of code data to the 1

No. Command Operand Remark

1 LD

2 FUNC 5 DECB command

3 PRM ○ Format specification

4 PRM ○○○○ Code data address

5 PRM ○○○○ Decode designation

6 PRM ○○○○ Decode output address

Fig. 5-8

Table 5-8

○○○○．○

Control condition

digit of the parameter.

0001：code data is in binary format of 1-byte length.

0002：code data is in binary format of 2-byte length.

0004：code data is in binary format of 4-byte length.

Code data address: specify an address of a memory code data.

Decoding designating: designate the first number of the decoding 8 continuous codes.

Decoding result address: designate an address of the output decoding result covering

1-byte. The decoding result of the designated number is output to

Page 42

Example：

GSK 25i Milling CNC System User Manual

the 0-digit of the address, and the decoding result of the specified

number +1 is output to 1-digit and the continuous 8 numbers are

done like this.

Fig. 5-9

After F7.0 is turned on, 2-byte data of F10～F11 are decoded. When the decoding data is in the

range 3～10, the corresponding bit of R200 becomes 1.

5.7 CTR（counter）

Function：

The counter data type is the binary format and has the following functions to meet its application.

1) Preset counter

Output a signal when the preset count is reached.

2) Ring counter

Upon reaching the preset count, returns to the initial value by issuing another count signal.

3) Up/down counter

The count can be either up or down.

4) Selection of initial value

Select the initial value as either 0 or 1.

Page 43

Format：

Volume Ⅱ PLC Programming and Connection

Command table format：

No. Command Operand Remark

1 LD

2 LD

3 LD

4 LD

5 FUNC 6 CTR

6 PRM ○○○○ Counter number

7 OUT

Control conditions：

CN0： Specify the initial value

UPDOWN： specify up or down counter:

Fig. 5-10

Table 5-9

○○○○．○ ○○○○．○ ○○○○．○ ○○○○．○

○○○○．○

CN0

UPDOWN

RST

ACT

Count up output

CN0=0 begins the value of the counter with 0.

CN0=1 begins the value of the counter with 1.

UPDOWN=1 Up counter（the initial value is set by CN0）.

UPDOWN=0 Down counter(the counter begins with te preset value).

RST ： reset

RST=0 Releases reset.

RST=1 Enables reset. When OUT is reset to 0, the counter value is reset

to the initial value(when the Up counter is done, it is 0 or 1

accoridng to CN0 setting), when it is Down counter, it is the preset

value of the counter).

ACT ： Counter signal

ACT=1：counter is madeby catching the rise of ACT.

ACT＝0：counter does not operate. OUT does not change.

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GSK 25i Milling CNC System User Manual

Parameter：

Counter number ： specify the counter number and it is 1～100.

Output：

OUT ： when the count is up to a preset value, the Up count reaches the maximum value

or the minmum value, OUT = 1.

Note: When the counter is Up edge, the system executes the count. When the count number is repetitive,

the operation is unexpected.

The current, preset value of the counter is set in 【Counter】 of 【PLC parameter】 in PLC window.

5.8 CTRC（counter）

Function：

The data in the counter is binary and the counter has the following functions.

1） Preset counter

Preset the count value and if the count reaches this preset value, outputs to show that.

2) Ring counter

This is the ring counter which is reset to the initial value when the count signal is input after the

count reaches the preset value.

3) Up/down counbter

This is the reversible counter to be used as both the up counter and down counter.

4） Selection of the initial value

Either 0 or 1 can be selected as the initial value.

Format：

count up output

Counter preset address

counter register addess

Fig. 5-11

Page 45

Command table format：

Volume Ⅱ PLC Programming and Connection

Table 5-10

Control conditions：

No. Command Operand Remark

1 LD

2 LD

3 LD

4 LD

5 FUNC 7 CTRC command

6 PRM ○○○○ Counter preset address

7 PRM ○○○○ Counter register address

8 OUT

CN0 ： Specifying the initial value

UPDOWN ：Spcifying up or down counter

RST ： reset

○○○○．○ ○○○○．○ ○○○○．○ ○○○○．○

○○○○．○

CN0=0 the count value starts with 0.

CN0=1 the count value starts with 1.

UPDOWN=1 Up counter.

UPDOWN=0 Down counter.

Count up output

CN0

UPDOWN

RST

ACT

Parameter：

Counter preset value address: the first address of the counter preset value field with 2-byte is

Counter register address: The first address of the counter register field is set, the continuous

RST=0 release reset.

RST=1 enable reset. When OUT is set to 0 the count value is reset to the

initial value.

ACT ： count signal

ACT=1：the counter operates at the rise of this signal.

ACT＝0：the counter does not operate, OUT does not change.

set. The continuous 2-byte memory space from the first

address is required for this field and the field D is binary and its

range is 0～32767.

4-byte memory space from the first address is required for this field

and the field D is normally used. The first two-byte is accumulated

value and the second two –byte is the system working area.

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GSK 25i Milling CNC System User Manual

Note: When field R is specified as the counter register address,the counter

starts with count value “0” after powered on.

Output：

OUT ：When the count value reaches the preset value, the count reaches the maximum in

the Up count or the minimum value in the Down count, OUT = 1.

5.9 ROTB（binary rotation control）

Function：

It is used to control the rotor, such as the tool post, rotary table, etc., and the data processed by

ROTB is binary.

Control conditions：

CN0 ：specify the starting number of the rotor.

CNO=0 begins the number of the position of the rotor with 0.

CNO=1 begins the number of the position of the rotor with 1.

DIR ：select the rotation directin via the shorter path or not.

DIR=0 no direction is selected. The direction of rotation is only forward.

DIR=1 selected. The direction of rotation is forward or reverse via the shorter

path.

POS ：specify the operating conditions.

POS=0 calculates the Designation position.

POS=1 calculates the position one position before the Designation position.

INC ： specify the position or the number of steps.

INC=0 calculates the number of the position. When the position one position

before the Designation position is to be calculated, specify INC=0 and

POS=1.

INC=1 calculates the number of steps. When the difference between the

current position and the Designation position is to be calculated,

specify INC=1 and POS=0.

ACT ：Execution command

ACT= 0：the ROT command is not executed and OUT does not change.

ACT＝1：ROT command is executed.

Page 47

Format：

Command table format：

Volume Ⅱ PLC Programming and Connection

Format specification Graduation position designation address

Current position address Target position address Calculating result output address

Fig. 5-12

Table 5-11

No. Command Operand Remark

1 LD

2 LD

3 LD

4 LD

○○○○．○

Selection of calculation position

5 LD

6 FUNC 8 ROTB

○○○○．○

7 PRM ○ Format specification

8 PRM ○○○○ Rotor indexed position address

9 PRM ○○○○ Current position address

10 PRM ○○○○ Target position address

11 PRM ○○○○ Calculating result output address

12 OUT

○○○○．○

Parameter:

Format : specifies data length (1, 2, or 4 bytes).

RN0

Selection of the shortest path

DIR

Operation condition POS

or number of step INC

ACT

Rotation direction output

1：1 byte

2：2 bytes

4：4 bytes

Rotor indexed address: specifies the address containing the number of rotary element positions

to be indexed.

Current position address: specifies the address to store the current position.

Designation position address: specifies the address (or command value) to store the Designation

position, such as the address of T code is output from CNC.

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GSK 25i Milling CNC System User Manual

Calculation result output address: calculate the rotarty steps of rotor and the step to reach the

Designation position or the position before the Designation. When the

calculated result is used, whether ACT is 1 or not is checked.

Output：

OUT ： the rotation direction output. The rotation direction via the short pathis output to OUT. OUT

=0: the direction is forward（FOR）；OUT =1: it is reverse（REV），FOR and REV definitions are as Fig.

5-13，the direction to increase the rotor position number is forward(FOR); to decrease the position

number is reverse(REV).

n example of a 12-position rotor

indexing fixed position

Fig. 5-13

5.10 CODB（binary code conversion）

Function：

The command converts the data in binary format to an optional binary format 1-byte, 2-byte or

4-byte, and the maximum quantity of conversion table is 256.

Conversion data address

Specifies table address

conversion output data address

Data stored in the specified table

address is output to this address

Table internal address

Conversion table

Note 1: this table data is

binary format 2-byte data.

Note 2: Conversion table is

written in the ROM

together with the program

max. 255

Fig. 5-14

Page 49

Format：

Command table format：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 9 CODB

4 PRM ○ Format specification

5 PRM ○○○○ Number of data table

6 PRM ○○○○ Conversion input data address

7 PRM ○○○○ Conversion output data address

8 TABLE ○○○○ Table address 0 inverts data

n OUT

Control conditions：

Volume Ⅱ PLC Programming and Connection

Format specification

Number of conversion table data Conversion input data address Conversion output data address

Table 5-12

○○○○．○ ○○○○．○

：：：：

○○○○．○

Error output

Fig. 5-15

RST

ACT

Error output

RST reset

RST=0 do not reset.

RST=1 reset error output OUT .

ACT activate command

ACT＝0 do not execute COD command.

ACT＝1 execute COD command.

Parameter：

Format specification: designates binary numberical size in the conversion table.

1：numerical data is binary 1-byte data.

2：numerical data is binary 2-byte data.

4: numerical data is binary 4-byte data.

Number of conversion table data ： designates size (1-256) of conversion table data can be

made.

Conversion input data address: data in the conversion data table can be taken out by specifying the

table number. The address specifying the table number is called

conversion input data address, and 1-byte memory is required from

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GSK 25i Milling CNC System User Manual

the specified address.

Conversion data output address: memory of the byte length specified in the format specification is

necessary from the specified address.

Output：

When there are any abnormality when executing the CODB command, OUT=1 and error will be

output.

5.11 MOVE（logical product transfer）

Function：

ANDs logical multiplication data and input data, and outputs the results to a specified address.

Can also be used to remove unnecessary bits from an eight-bit signal in a specifc address, etc..

Format:

Command table format：

No. Command Operand Remark

1 LD

2 FUNC 10 MOVE

3 PRM ○○○○ high-order 4-bit logical multiplication data

4 PRM ○○○○ Low-order 4-bit logical multiplication data

5 PRM ○○○○ Input data address

6 PRM ○○○○ Output data address

○○○○．○

Fig. 5-16

Fig. 5-17

Table 5-13

ACT

Page 51

Control conditions：

ACT＝0：MOVE command is not executed.

ACT＝1：MOVE command is executed.

Using example：

Volume Ⅱ PLC Programming and Connection

Fig. 5-18

5.12 MOVOR（data transfer after logical sum）

Function：

This command Ors the input data and the logical sum data and transfer the result to the

destination.

Format:

Fig. 5-19

Command table format：

Table 5-14

No. Command Operand Remark

1 LD

2 FUNC 11 MOVOR

3 PRM ○○○○ Input data address

4 PRM ○○○○ Logical sum data

5 PRM ○○○○ Output data

○○○○．○

ACT

Page 52

Control conditions：

ACT＝0：do not execute MOVOR command.

ACT＝1：execute MOVOR.

GSK 25i Milling CNC System User Manual

Parameter：

Input data address ： specifies the address for the input data.

Logical sum data address : specifies the address of the logical sum data with which to OR

the transferred data.

Output address ：output the result in the logical sum data address.

5.13 MOVB （transfer of 1 byte）

Function：

The command transfer 1-byte data from a specified source address to a specified destination

address.

Format：

Fig. 5-20

Command table format：

Table 5-15

Control conditions：

ACT Execution specification

Parameter

Data source address ： specifies source address. Data destination address ： specifies destination address.

No. Command Operand Remark

1 LD

2 FUNC 12 MOVB

3 PRM ○○○○ Transfer source address

4 PRM ○○○○ Transfer destination address

ACT＝0 ： do not execute MOVB command and no data is transferred.

ACT＝1 ： execute MOVB command and one-byte data is transferred.

○○○○．○

：

ACT

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Volume Ⅱ PLC Programming and Connection

5.14 MOVW （transfer of 2 bytes）

Function：

The command transfers 2-bytes data from a specified source address to a specified destination

address.

Format：

Fig. 5-21

Command table format：

Table 5-16

No. Command Operand Remark

1 LD

2 FUNC 13 MOVW

3 PRM ○○○○ Transfer source address

4 PRM ○○○○ Transfer destination address

○○○○．○

ACT

Control conditions：

ACT Execution specification

ACT＝0 : do not execute MOVW, no data is transferred.

ACT＝1 : execute MOVW command and two-byte data is transferred.

Parameter

Data source address： specifies source address. Data destination address： specifies destination address.

：

5.15 MOVN（transfer of an arbitrary number of bytes）

Function：

The command transfers data consisting of an arbitrary number of bytes from a specified source

address to a specified destination address.

Page 54

Format：

Command table format：

No. Command Operand Remark

1 LD

2 FUNC 14 MOVN

3 PRM ○ Number of bytes to be transferred

4 PRM ○○○○ Transfer source address

5 PRM ○○○○ Transfer destination address

GSK 25i Milling CNC System User Manual

Fig. 5-22

Table 5-17

○○○○．○

ACT

Control conditions：

ACT execution specification

ACT＝0 : do not execute MOVN command, no data is transferred.

ACT＝1 : execute MOVE command, and a specified number of bytes are

transferred.

Parameter

：

Number of bytes to be transferred ：specify the number（1～200）of bytes to be transferred.

Data source address: specifies the source address.

Data destination address: specifies the destination address.

5.16 PARI（parity check）

Function：

Checks the parity of code signals, and outputs an error if an abnormality is detected. Specifies

either an even-or odd-parity check. Only one-byte (eight bits) of data can be checked.

Page 55

Format：

Command table format：

No. Commnd Operand Remark

1 LD

2 LD

3 LD

4 FUNC 15 PARI

5 PRM ○○○○ Check data address

6 OUT

Volume Ⅱ PLC Programming and Connection

Fig. 5-23

Table 5-18

○○○○．○ ○○○○．○ ○○○○．○

○○○○．○

O.E

RST

ACT

Error output

Control conditions：

O.E specify even or odd.

O.E=0： even-parity check.

O.E=1： odd-parity check.

RST reset

RST=0：disables reset.

RST=1：sets error output coil OUT，that is, when OUT =1, RST=1. OUT =0.

ACT execution command

ACT=0： parity checks are not performed and the output does not change.

ACT=1： execute PARI command, performing a parity check.

Output：

If the result of executing the PARI command is abnormal, the check address data has 1-bit even

in the odd check or 1-bit odd in the even check, OUT=1.

5. 17 DCNVB（extended data conversion）

Function：

This command converts 1, 2, and –byte binary code into BCD or vice versa.

Page 56

Format：

Command table format：

No. Command Operand Remark

1 LD

2 LD

3 LD

4 LD

5 FUNC 16 DCNVB

6 PRM ○ Format specification

7 PRM ○○○○ Input data address

8 PRM ○○○○

9 OUT

GSK 25i Milling CNC System User Manual

Fig. 5-24

Table 5-19

○○○○．○ ○○○○．○ ○○○○．○ ○○○○．○

Conversion result output

○○○○．○

SIN

CNV

RST

ACT

address

Error output

Control conditions ：

SIN sign of the data to be converted

This parameter is significant only when you are converting BCD data into binary coded

data. It gives the sign of the BCD data. Though it is insignificant when you are

converting binary into BCD data, you cannot omit it.

SIN=0： BCD code to be input is positive.

SIN=1：BCD code to be input is negative.

CNV type of conversion

CNV=0：convert binary data into BCD data.

CNV=1：convert BCD data into binary data.

RST reset

RST=0：release reset.

RST=1：reset error output coil OUT, that is, when OUT=1 and RST=1, OUT=0.

ACT execution command

ACT=0：data is not converted, and OUT does not change.

ACT=1：data is converted.

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Volume Ⅱ PLC Programming and Connection

Parameter：

Format specification ： specify data length.

1：1 byte.

2：2 bytes.

4：4 bytes.

Input data address conversion: specify the address containing the input data address. The address

of the specified table number is called as the input address of the conversion

data. The address needs to provide a memory with one byte.

Address for the conversion result output: specify the output address of conversion data. Specify

the number of byte of memory in the format starting from the specified address.

Error output（OUT）：

OUT =0：correct conversion.

OUT =1：abnorally.

The data to be converted is specified as BCD data but is found to be binary data, or the

specified number of bytes(byte length) cannot contain the BCD data into which a binary

data is converted, OUT=1.

Operaton output register R1000

Set the register after the data conversion. When the binary data is converted into BCD data,

and definition of each bit is as follows (table 5-25):

7 6 5 4 3 2 1 0

R1000

1 1 1

Negative Overflow(data exceeds the number of bytes specified)

Fig. 5-25

5. 18 COMPB（binary compasion）

Function：

Compare the size fo two binary data and comparison result is stored in the comparison result

address. Specify enough byte in memory area when executing COMPB command to memory input

and comparison values.

Page 58

Format：

Command table format：

No. Command Operand Remark

1 LD

2 FUNC 17 COMPB

3 PRM □○○□ Format specification

4 PRM ○○○○ Input value

5 PRM ○○○○ Comparison data address

6 PRM ○○○○ Comparison result output

GSK 25i Milling CNC System User Manual

Fig. 5-26

Table 5-20

○○○○．○

ACT

Control conditions

：

ACT＝0：does not execute COMPB command.

ACT＝1：execute COMPB command.

Parameter

：

Format destination: the specified format (constant or address) of input data and specified data

length (1, 2 bytes).

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-27

Input data: specifies the comparison input data. The input data can be specified as either a

constant or the address.

Comparison data: specifies the comparison data address.

Comparison result output: specifies the comparison result output covering one byte.

Comparison result output address:

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Volume Ⅱ PLC Programming and Connection

Comparison result output address bit: bit5 Bit2 Bit1 Bit0

Input data compared 0 0 0 1

Input data＞data compared 0 0 1 0

Input data ＜data compared 0 1 0 0

data overflow 1 0 0 0

5.19 COIN（coincidence check）

Function：

Checks whether the input value and comparison value conincide and the command is available

with the binary data.

Format

Command table format:

：

No. Command Operand Remark

1 LD

2 FUNC 18 COIN

3 PRM □○○□ Input value format

4 PRM ○○○○ Input value

5 PRM ○○○○ Comparison value address

6 OUT

Fig. 5-29

Table 5-21

○○○○．○

ACT

Result output compared

Control conditions:

ACT execution command

ACT=0：the command is not executed and OUT does not change.

ACT=1：the command is executed and the result is output to OUT.

Parameter：

Input data format: specifies input data format.

0：specifies input data as a constant.

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GSK 25i Milling CNC System User Manual

1：specifies input data as an address.

Input data: the input data can be specified as either a constant or an address storing it.

Comparison data address: specifies the address storing the comparison data.

Output：

OUT ： OUT =0： input data ≠ comparison data.

OUT =1： input data = comparison data.

5.20 DSCHB（data search）

Function：

The command is used to searches the data in the data table. Searches the data table for a

specified data, outputs an address storing it countig from thebeginning of the data table. If the data

cannot be found, OUT=1.

The command is available to the binary data, and the number of data (table capacity) in the data

table.

Format：

Command table format：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 19 DSCHB

4 PRM ○ Format specification

5 PRM ○○○○ Number of data of the data table

6 PRM ○○○○ Data table head address

7 PRM ○○○○ Data table search address

8 PRM ○○○○ Search result output address

9 OUT

Fig. 5-30

Table 5-22

○○○○．○ ○○○○．○

○○○○．○

RST

ACT

Error output

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Volume Ⅱ PLC Programming and Connection

Control conditions：

RST reset

RST=0： release reset.

BYT=1： enable a reset, this is, sets PIT tp 0.

ACT execution command

ACT=0：the command is not executed and OUT does not change.

ACT=1：the command is executed, and the table tinternal number storing the

desired data is output, if the data cannot be found, OUT is set to1.

Parameter：

Format specification: specifies the length to search data.

1：1-byte length

2：2-byte length

4：4-byte length

Number of data of the data table: the size of the data table. The byte length specified by the

addresss is assigned to the the memory area requiring the

byte. The number of data of data table is n+1 (the

beginning of the data table is 0 and the end is n)

Data table head address: set the data head address. The head address must D address of

D data table.

Search data address: set the address of the data to be searched.

Search result output address: if the data being searched for is found, the internal number of

the table storing the data is output to this field. The search result

output address field requires memory whose size is the number of

bytes conforming to the size of the data specified by byte.

Output：

OUT =0: the data to be searched exists.

OUT =1，the data to be searched does not exist.

5.21 XMOVB（binary indexed modifier data transfer）

Function：

This functional command instructs reading and rewriting of data in the data. The number of data

(table capacity) in the ata table can be specified by specifying the address.

Page 62

Format：

Command table format ：

GSK 25i Milling CNC System User Manual

Fig. 5-31

Table 5-23

Control conditions：

RW read, write designation

RW=0： read data from data table.

RW=1： write data to data table.

RST reset

No. Command Operand Remark

1 LD

2 LD

3 LD

4 FUNC 20 XMOVB

3 PRM ○ Format specification

5 PRM ○○○○ Data capcity

6 PRM ○○○○ Data table head address

7 PRM ○○○○ Input/output data storage address

8 PRM ○○○○ Table number storage address

9 OUT

○○○○．○ ○○○○．○ ○○○○．○

○○○○．○

RST

ACT

Error output

RST=0： release reset.

RST=1： reset, OUT =0.

ACT activation command

ACT＝0： do not execute XMOVB command，OUT does not change.

ACT＝1： execute XMOVB command.

Parameter：

Format specification: specifies data length.

1：1-byte length

2：2-byte length

4：4-byte length

Storage address of number of data table: it is used to store the number of data in the data

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Volume Ⅱ PLC Programming and Connection

table, the number of byte is as follows with the specified length

and the effective range of data is determined by the byte length

specified by the format.

1-byte length：1 to 255.

2-byte length：1 to 65535（actually, set a value below the size of the D area）.

4-byte length：1 to 99999999（actually, set a value below the size of the D area）.

Data table head address: sets head address in the data table. The memory area of data

table is: the byte length × the number of data table. The head

address must be D address in D data table.

Input/output(I/O) data storage address: in case of the reading, set the address of the

memory which stores a reading result. In case of the writing, set

the address of the memory which stores a writing result.

Index storage address:set the address of the memory in which an index value is stored. The

memory with the byte length set in format specification is necessary.

When settting an index value above the value to set in storage

address of number of data table, it causes error output OUT=1.

Output：

In the case where the index value set in the index storage address exceeds the value set in the

storage address of number of data table, OUT=1, and the reading or writing of the data table is not

executed.

OUT =0，No error.

OUT =1: Error found.

5.22 ADDB(addition)

Function：

The command is used to the binary addition operation with 1-, 2- or 4-byte length. The addend

data and the output data of addion operation result are set with the storage address of the

corresponding byte length

Format：

Fig. 5-32

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GSK 25i Milling CNC System User Manual

Command table format ：

Control conditions：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 21 ADDB

4 PRM □○○□ Format specification

3 PRM ○○○○ Summand address

5 PRM ○○○○ addend address

6 PRM ○○○○ Sum output storage address

7 OUT

RST reset

RST=0： release reset.

RST=1： reset OUT =1.

Table 5-24

○○○○．○ ○○○○．○

○○○○．○

RST

ACT

Error output

ACT execution command

ACT＝0 ： do not execute ADDB command.

ACT＝1 ： execute ADDB command.

Parameter：

Foramt designation: specifies the data length (1, 2, 4 bytes) and the the specified method of

addend (constant or address.

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-33

Summand address : specifies the address.

Addend : the specified method of addend is determined by the format specification.

Sum output address: specifies the address to which the sum is to be output.

Output：

OUT =0： operation normability.

OUT =1： operation abnormality.

When the result of addition exceeds the specified data length, OUT=1.

Operation output register(R1000)：

Each bit of operation output register:

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Volume Ⅱ PLC Programming and Connection

7 6 5 4 3 2 1 0

R1000

1 1 1

Negative

Overflow

Fig. 5-34

5.23 SUBB（binary subtraction）

Function：

This command is used to the binary subtraction with 1-, 2-, 4-length. The minuend data, the

subtraction operation output data need to set the storage address of corresponding byte length.

Format：

Command table format ：

Control conditions：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 22 SUBB

4 PRM □○○□ Format specification

3 PRM ○○○○ Minuend address

5 PRM ○○○○ subtrahend

6 PRM ○○○○ Operation output storage address

7 OUT

RST reset

RST=0： release reset.

RST=1： reset OUT =1.

Table 5-25

○○○○．○ ○○○○．○

○○○○．○

Fig. 5-35

RST

ACT

Error output

ACT execution command

ACT＝0 ： do not execute SUBB command.

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GSK 25i Milling CNC System User Manual

ACT＝1 ： execute SUBB command.

Parameter：

Format specification: specifies the data length (1-, 2-, 4-byte) and the specified method of the

subtrahend (constant or address).

Data length specified

Format specification

0: Constant data 1: Address data

Fig. 5-36

Minuend address ： set the address storing the minuend.

Subtrahend ： the specified method of the subtrahend depends on the format

1:1-byte length 2:2-byte length 4:4-byte length

specification.

Operation result output address: set the address to which the operation result is output.

Output：

OUT =0： operation normability.

OUT =1： operation abnormality.

When the operation result exceeds the specified data length, OUT=1.

Operation result register (R1000)：

Each bit of operation result register:

7 6 5 4 3 2 1 0

R1000

1 1 1

Negative

Overflow

Fig. 5-37

5.24 MULB（binary multiplication）

Function：

This command multiplies 1-, 2-, 4-byte binary data. The operation result is output to the operation

result output address. The multiplicand data and the multiplication operation result output data need

to set the storage address of corresponding byte length.

Page 67

Format：

Command table format ：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 23 MULB

4 PRM □○○□ Format specification

3 PRM ○○○○ Multiplicand address

5 PRM ○○○○ Multiplier

6 PRM ○○○○ Operation result output storage address

7 OUT

Control conditions：

Volume Ⅱ PLC Programming and Connection

Fig. 5-38

Table 5-26

○○○○．○ ○○○○．○

○○○○．○

RST

ACT

Error output

RST reset

RST=0： release reset .

RST=1： reset OUT =1.

ACT execution command

ACT＝0 ： do not execute MULB command.

ACT＝1 ： execute MULB command.

Parameter：

Format specification: specifies the data length (1-, 2-, 4-byte) and the specified method of the

multiplication (constant or address).

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-39

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GSK 25i Milling CNC System User Manual

Multiplicand address : address containing the multiplicand.

Multiplier data : the specified method of the multiplier is determined by the format

specification.

Operation result output address: specifies the address to contain the operation result.

Output：

OUT =0： operation normability.

OUT =1： operation abnormality.

When the result of multiplication exceeds the specified data length, OUT=1.

Operation result register(R1000)：

Each bit of operation result register:

7 6 5 4 3 2 1 0

R1000

1 1 1

Negative

Overflow

Fig. 5-40

5.25 DIVB（binary division）

Function：

This command divides 1-, 2-, 4-byte binary data. The operation result is output to the operation

result output address. The divisor and the dividend and the operation result output data need to set

the storage address of corresponding byte length.

Format：

Fig. 5-41

Page 69

Command table format ：

No. Command Operand Remark

1 LD

2 LD

3 FUNC 24 DIVB

4 PRM □○○□ Format specification

5 PRM ○○○○ Dividend address

6 PRM ○○○○ Divisor

7 PRM ○○○○

8 OUT

Control conditions：

RST reset

RST=0： release reset .

RST=1： reset OUT =1.

Volume Ⅱ PLC Programming and Connection

Table 5-27

○○○○．○ ○○○○．○

Operation result output storage

○○○○．○

RST

ACT

address

Error output

ACT execution command

ACT＝0 ： do not execute DIVB command .

ACT＝1 ： execute DIVB command .

Parameter：

Format specification: specifies the data length (1-, 2-, 4-byte) and the specified method of the

divisor data (constant or address).

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-42

Dividend address : sets the address storing the dividend.

Divisor : the specified method of the divisor is determined by the format specification.

Operation result output address: specifies the address to which operation result is output.

Output：

OUT =0： operation normality.

OUT =1： operation abnormality.

When the divisor is 0, OUT=1.

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GSK 25i Milling CNC System User Manual

Operation result register(R1000)：

Each bit of operation result register:

7 6 5 4 3 2 1 0

R1000

Remainder output register:

The remainder is stored to R1002-R1005 according to the data length when there is the remainder.

1 1 1

Negative

Overflow

Fig. 5-43

5.26 NUMEB（definition of binary constant）

Function：

This command is used to the decimal constant data assign to the specified address. The output

data is the binary data and is stored to the specified storage address. The data length can be 1-, 2- or

4- byte length according to the specified.

Format：

Command table format ：

No. Command Operand Remark

1 LD

2 FUNC 25 NUMEB

3 PRM ○ Format specification

4 PRM ○○○○ Constant

5 PRM ○○○○ Constant output address

Fig. 5-44

Table 5-28

○○○○．○

ACT

Control conditions：

ACT execute Command

ACT＝0 : do not execute NUMEB command .

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Volume Ⅱ PLC Programming and Connection

ACT＝1 : execute NUMEB command .

Parameter ：

Format specification: specifies the data length.

1：1-byte length.

2：2-byte length.

4：4-byte length.

Constant : specifies the defined constant and its value is the decimal data.

Constant output address: specifies the address to output the operation result.

5.27 DIFU（Edge Up detection）

Function：

The command sets the output relay to 1 for one scanning period on a Edge Up of the output

signal.

Format：

Command table format ：

Control conditions：

No. Command Operand Remark

1 LD

2 FUNC 26 DIFU

3 PRM ○○○○ Edge Up signal

4 OUT

Fig. 5-45

Table 5-29

○○○○．○

ACT

Output

ACT execute Command

ACT＝0 : do not execution command.

ACT＝1 : execution command, output signal sets one scanning period on

the ACT Edge Up.

Parameter

Edge Up number: specifies the Edge Up along the command serial number and its range is 1 to

256.

：

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GSK 25i Milling CNC System User Manual

Warning:

If the same number is used for another DIFU command or a DIFD

command in one ladder diagram, operation is not guaranteed.

Output（OUT）：

Fig. 5-46

5.28 DIFD（Edge Down detection）

Function：

The command sets the output relay to 1 for one scanning period on a Edge Down of the output

signal.

Format：

Fig. 5-47

Command table format ：

Table 5-30

No. Command Operand Remark

1 LD

2 FUNC 27 DIFD

3 PRM ○○○○ Edge Down signal

4 OUT

○○○○．○

ACT

output

Control conditions：

ACT execution command

ACT＝0 : do not execute command.

ACT＝1 : execution command, output signal sets one scanning period on

the ACT Edge Down.

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Volume Ⅱ PLC Programming and Connection

Parameter：

Edge Down number: specifies the Edge Down along the command serial number and its range is

1 to 256.

Output（OUT）：

Warning:

If the same number is used for another DIFU command or a DIFD

command in one ladder diagram, operation is not guaranteed.

5.29 SFT（shift register）

Fig. 5-48

Function：

The command shifts 2-byte data by a bit to the left or right.

OUT=1 when data “1” is shifted from the left extremity (bit 15) in left shift or from the right

extremity (bit 0) in right shift. Format：

Fig. 5-49

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Command table format：

Control conditions：

DIR specifies shift direction

DIR=0 left shift

DIR=1 right shift

No. Command Operand Remark

1 LD

2 LD

3 LD

4 LD

5 FUNC 28 SFT

6 PRM ○○○○ Shift data

7 OUT

Table 5-31

○○○○．○ ○○○○．○ ○○○○．○

○○○○．○

DIR

CONT

RST

ACT

output

CONT specifies condition

CONT=0 the condition of a data bit is set to the original bit position of the on

“0”bit.

CONT=1 the condition of a data bit is set to the original bit position of the on

“1”bit..

RST reset

RST=0 OUT is not reset

RST=1 OUT reset （OUT =0）

ACT execution condition

ACT=0 do not execute SFT command

ACT=1 execute shift. When ACT=1, set ACT to 0.

Parameter：

Shift data address: designate addresses which require a continuous 2-byte memory for shift

data.

Output：

OUT ： OUT =0 “1” is not shifted out after the shift operation.

OUT =1 “1” is shifted out after the shift operation.

5.30 EOR（EOR）

Function：

The EOR instruction exclusive-Ors the contents of address A with a constant (or the contents of

address B), and stores the result at address C.

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Format：

Command table format ：

No. Command Operand Remark

1 LD

2 FUNC 29 EOR

3 PRM □○○□ Format specification

4 PRM ○○○○ Address A

5 PRM ○○○○ Constant or address B

6 PRM ○○○○ Address C

Control conditions：

ACT execution condition

Volume Ⅱ PLC Programming and Connection

Fig. 5-50

Table 5-32

○○○○．○

ACT

ACT＝0 ： do not execute EOR command .

ACT＝1 ： execute EOR command .

Parameter：

Format specification ： Specify a data length (1-, 2-, 4-byte) and an input data

format(constant or address).

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-51

Address A ： the head address of the input data to be exclusive-ORed.

Constant or address B ： Input data to be exclusive-ORed with A. the designation is

determined by the format, that is, constant or address.

Address C ： Address used to store the result of an exclusive EOR operation. The result of

an exclusive EOR operation is stored starting at this address, and has the data

length specified in Length format specification.

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Example：

When address A and B hold the following data:

Address A

Address B

The result of the exclusive EOR operation is as follows:

Address C

1 1 1 0 0 0 1 1

0 1 0 1 0 1 0 1

1 0 1 1 0 1 1 0

5.31 AND（logical and）

Function：

The command ANDs the contents of address A with a constant ( or the contents of address B),

and stores the result at address C.

Format：

Fig. 5-52

Command table format ：

Table 5-33

Control conditions：

ACT execution conditions

Parameter：

Format specification ：Specify a data length (1-, 2-, 4-byte) and an input data format(constant or

address).

No. Command Operand Remark

1 LD

2 FUNC 30 AND

3 PRM □○○□ Format specification

4 PRM ○○○○ Address A

5 PRM ○○○○ Constant or address B

6 PRM ○○○○ Address C

○○○○．○

ACT

ACT＝0 ： do not execute AND command.

ACT＝1 ： execute AND command .

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Volume Ⅱ PLC Programming and Connection

Data length specified

Format specification

0: Constant data 1: Address data

Fig. 5-53

Address A ： the head address of the input data to be exclusive-ANDed.

Constant or address B ： Input data to be exclusive-ANDed with A. the designation is

determined by the format, that is, constant or address.

Address C ： Address used to store the result of an exclusive AND operation. The result of

an exclusive AND operation is stored starting at this address, and has the data

length specified in Length format specification.

Example:

1:1-byte length 2:2-byte length 4:4-byte length

When address A and address B has the following data:

Address A

1 1 1 0 0 0 1 1

Address B

0 1 0 1 0 1 0 1

The result of the AND operation is as follows:

Address C

0 1 0 0 0 0 0 1

5.32 OR（logical or）

Function：

The command Ors the contents of address A with a constant (or the contents of address B), and

stores the result at address C.

Format：

Fig. 5-54

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Command table format ：

Table 5-34

Control conditions：

ACT execution condition

Parameter：

Format specification ： Specify a data length (1-, 2-, 4-byte) and an input data

No. Command Operand Remark

1 LD

○○○○．○

ACT

2 FUNC 31 OR

3 PRM □○○□ Format specification

4 PRM ○○○○ Address A

5 PRM ○○○○ Constant or address B

6 PRM ○○○○ Address C

ACT＝0 ： do not execute OR command .

ACT＝1 ： execute OR command .

format(constant or address).

Data length specified

Format specification

0: Constant data 1: Address data

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-55

Address A ： the head address of the input data to be ORed.

Constant or address B ： Input data to be ORed with A. the designation is determined by

the format, that is, constant or address.

Address C ： Address used to store the result of an OR operation. The result of an OR

operation is stored starting at this address, and has the data

length specified in length format specification.

Example：

When address A and address B have the following data:

Address A

1 1 1 0 0 0 1 1

Address B

0 1 0 1 0 1 0 1

The result of the OR operation is as follows:

Address C

1 1 1 1 0 1 1 1

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Volume Ⅱ PLC Programming and Connection

5.33 NOT（logical not）

Function：

The command inverts each bit of the contents of address A, and stores the result at address B. Format：

Fig. 5-56

Command table format ：

Table 5-35

No. Command Operand Remark

1 LD

2 FUNC 32 NOT

3 PRM □○○□ Format specification

4 PRM ○○○○ Address A

5 PRM ○○○○ Address B

○○○○．○

ACT

Control conditions

：

ACT execution condition

ACT＝0，do not execute NOT command .

ACT＝1，execute NOT command .

Parameter

Format specification: specifies a data length (1-, 2-, 4-byte).

Address A : specifies the head address of the input data to be inverted bit by bit.

：

Data length specified

1:1-byte length 2:2-byte length 4:4-byte length

Fig. 5-57

Address B : specifies the address used to output the result of a NOT operation. The result of

a NOT operation is stored starting at this address, and has the data length

specified in format specification.

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Example：

When address A and B have the following data:

Address A

The result of the NOT operation is as follows:

Address B

1 1 1 0 0 0 1 1

0 0 0 1 1 1 0 0

5.34 COM（common line control）

Function：

This command can be used to control the coil working from COM to COME (common line end

command). The system specifies 0 for the number of coils and uses the common line control end

command to use this function. The system alarms when the common line end command is not

specified.

Format：

Command table format ：

No. Command Operand Remark

1 LD

2 FUNC 33 COM

COM

COME

Fig. 5-58

Table 5-36

○○○○．○

COM

effective range

ACT

Control conditions：

ACT=0: the specified number of coils or the coils within the region specified are

unconditionally turned off (set to 0).

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ACT=1: not execute.

Parameter：

Specifies the number of coil: specifies to 0 and use COM specifying range.

Note:

1. In the range specified with a COM instruction, no additional COM instruction can be specified.

2. the coil for WRT.NOT in the range specified with a COM instruction is singly set to 1 (OUTN=1)

ACT=0.

5.35 COME（common line control end）

Function：

The instruction can be used to specify the control range of the common control line instruction

(COM). This instruction cannot be used alone. It must be used together with the COM instruction.

Format：

Fig. 5-59

Command table format ：

Table 5-37

No. Command Operand Remark

1 FUNC 34 COME

5.36 JMP（jump）

Function：

The JMP transfers control to a ladder. When the JMP command is executed, the execution

process jumps to the jump end command but does not execute the logic command (including

functional command ) between JMP and JMPE command. The specified coil number is 0. when the

system uses JMPE command, it jumps the range. The system prompts the alarms when it does not

command the jump end command.

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Format：

GSK 25i Milling CNC System User Manual

JMP

effective range

Fig. 5-60

Command table format ：

Table 5-38

Control conditions：

ACT=0：do not execute jump. The next command after the JMP command is executed.

ACT=1：jump the logical command (including functional command) in the specified range,

Parameter

Specifies the number of coil: it is set to 0, use JMPE to specify the range.

Note：

JMP command operation.

ACT=1: the program jumps to the place where the jump end command (JMPE) is. The

In compileing the program, do not create a program in which a combination of JMP and JMPE

command is used to cause a jump to and from a sequence between the COM and COME command.

The ladder sequence may not be able to operate normally after the jump.

No. Command Operand Remark

1 LD

2 FUNC 35 JMP

3 PRM ○

and execute the program.

○○○○．○

：

logical command (including functional command) in the specified range is not

executed.

ACT

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Volume Ⅱ PLC Programming and Connection

5.37 JMPE（jump end）

Function：

Specifies the end of JMP(jump command) range. The command must be used together with JMP

command. Format：

Fig. 5-61

Command table format ：

Table 5-39

No. Command Operand Remark

1 FUNC 36 JMPE

5.38 CALL（conditional subprogram call）

Function：

A jump occurs to the subprogram when a condition is satisfied.

The command has the characteristics and limits as follows:

＊ Many call command can call the same one subprogram.

＊ The call command can be nested.

＊ The subprogram must follow END2 to be compiled.

Format

：

Fig. 5-62

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Command table format ：

Control conditions

ACT execution conditions

Parameter：

Subprogram number ： specifies the called subprogram number. The subprogram number

No. Command Operand Remark

1 LD

2 FUNC 37 CALL

3 PRM P○○○○ Subprogram number

：

ACT＝0: do not execute CALL command .

ACT＝1: execute CALL command，call the subprogram which number is

specified.

range is P1～P512.

Table 5-40

○○○○．○

ACT

5.39 CALLU（uncoditional subprogram call）

Function：

The system unconditionally calls the specified subprogram when it executes the command

CALLU.

Format

Command table format ：

：

Fig. 5-63

Table 5-41

No. Command Operand Remark

1 FUNC 38 CALLU

2 PRM P○○○○ Subprogram number

Parameter

Subprogram number ： specifies the subprogram number of a subprogram to be called. The

：

subprogram number must be specified in the P address form. A number from P1

to P512 can be specified.

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Volume Ⅱ PLC Programming and Connection

5.40 JMPB（label jump 1）

Function：

The JMPB command transfers control to a ladder after the label set in a ladder pgoram.

The JMPB has the following additional functions:

* More than one jump command can be coded for the same label.

* The jump command can transfer control freely before and after the command within

the program unit (main program or subprogram) in which the command is coded.

* Jump commands can be nested.

* Jump END1 and END2 are forbidden.

Format

Command table format ：

Control conditions

：

No. Command Operand Remark

1 LD

2 FUNC 39 JMPB

3 PRM L○○○○ Jump destination label number

：

ACT execution conditions

Fig. 5-64

Table 5-42

○○○○．○

ACT

ACT＝0，do not jump,execute the next command after JMPB command.

ACT＝1，jump to the next after the specified label, execute the next command

after the label.

Parameter

：

Jump destination label LX: specifies the label of the jump destination. The label number must

be specified in the L address head. A value from L1 to L9999 can

be specified.

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5.41 JMPC（label jump 2）

Function：

The JMPC functional command returns control from a subprogram to the label code position of

the main program. The specifications of the JMPC command are the same as those of the JMPB

command, except that JMPC always returns control to the main program.

Format

Command table format ：

Control conditions

：

Fig. 5-65

Table 5-43

No. Command Operand Remark

1 LD

2 FUNC 40 JMPC

3 PRM L○○○○ Jump destination label

○○○○．○

ACT

：

ACT execution condition ACT=0：the command after the JMPC command is executed.

ACT=1：control is transferred to the ladder after the specified label. Parameter：

Jump destination label: specifies the label of the jump destination. The label number must be

specified in the L address head. A number from L1 to L9999 can be

specified.

Note: when the command is used to jump bac to a previous command, care must be taken not to

cause an infinite loop.

5.42 LBL（label）

Function：

The command specifies a label in ladder program for the jump destination of JMPB and JMPC.

Note: one Lx label only use LBL one time, otherwise, the system alarms.

Page 87

Format：

Command table format ：

No. Command Operand Remark

1 LD

2 FUNC 41 LBL

3 PRM L○○○○ Label specification

Volume Ⅱ PLC Programming and Connection

Fig. 5-66

Table 5-44

○○○○．○

ACT

Parameter

：

Label specification Lx: specifies the jump destination.The label number must be specified in L

address head. A label number from L1 to L9999 can be specified.

5.43 SP（subprogram）

Function：

The SP command is used to create a subprogram for CALL and CALLU call, and SP is used with

the mentioned later SPE to specify the subprogram range. Notes：

1. the subprogram must follow END2 to be compiled.

2. can not set another subprogram in one subprogram.

Format

：

Fig. 5-67

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Command table format ：

No. Command Operand Remark

1 LD

2 FUNC 42 SP

3 PRM P○○○○ Subprogram number

Table 5-45

○○○○．○

ACT

Parameter

：

Subprogram number ： specifies the called subprogram label number in the P address form.

The subprogram number range is P1～P512, and the specified

subprogram number must be unique within the sequence program.

5.44 SPE（end of a subprogram）

Function：

* SPE is used with the S P command to specify the subprogram range.

* when the functional command is executed, control is returned to the main program that calls the

subprogram.

* the subprogram must follow END2 to be compiled.

Format

：

Command table format ：

No. Command Operand Remark

1 FUNC 43 SPE

Fig. 5-68

Table 5-46

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Volume Ⅱ PLC Programming and Connection

6 Ladder Writing Limit

1. Sequence program must have END1 and END2 which are taken as the end marks of 1st level

and 2

2. They only support the parallel output and do not support the multi-level output.

3. The result output address in all basic instructions and output function instruction are not set

the following addresses:

1) Counter preset address DC, timer preset address DT.

2) ) X address on IO input interface and CNC→PLC F address.

The followings are the phrasing error, and the system will alarm.

level sequence part, and END1 must be before END2.

（W）

Fig. 6-1

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Part 2 Function

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Volume Ⅱ PLC Programming and Connection

1 Preparations for operatoin

1.1 Emergency stop

General When you press Emergency Stop button on the machine operation panel, the machine

movement stops in a moment.

This button is locked whtn it is pressed. Althouth it varies with the machine tool builder,

the button can usually be unlocked by twisting it.

Signal emergency stop signal

*ESP （ X008.4 G008.4 ）

X008

G008

［Classification］ input signal.

［Function］ activating an emergency stop signal stops the machine instantly.

［Operation］ when the emergency stop signal *ESP becomes to “0”, the emergency

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

stop is applied to the machine and the CNC is reset.

Emergency

Fig. 1-1

*ESP

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1.2 CNC overtral signal

General When the tool tries to move beyond the stroke end set by the machine tool limit switch,

the tool decelerates and stops as a result of tripping the limit switch, and an

OVERTRAVEL is displayed. The signal can be output with an alarm.

Signal overtravel signal

＋*L1～＋*L5(G114#0~G114#4, X9.6, X10.0,X10.2,X10.4,X10.6)

－*L1～－*L5(G116#0~G116#4, X9.7, X10.1, X10.3, X10.5, X10.7)

G114

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

＋L5 ＋L4 ＋L3 ＋L2 ＋L1

G116

－L5 －L4 －L3 －L2 －L1

X009

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

－L1 ＋L1

X010

－L5 ＋L5 －L4 ＋L4 －L3 ＋L3 －L2 ＋L2

［Classification］ input signal.

［Function］ indicates that the control axis has reached its stroke limit. There are

individual signals for each direction in every control axis. The +/-in the

signal name indicates the direction and the number corresponds to the

control axis.

＋ L □

1 No.1 axis is at overtravel

2 No.2 axis is at overtravel

：：

5 No.5 axis is at overtravel

+ positive overtravel

－ negative overtravel

［Operation］ When it is “0”， the control unit operates as follows:

*In automatic operation, if even one axis overtravel signal becomes to “0”,

all axes are decelerated to stop, an alarm is given and operation is

halted.

*In manual operation, only the axis whose overtravel signal has turned to

“0” is decelerated to a stop, and the axis can be moved in the opposite

direction.

*Once the axis overtravel signal has turned to “0”, the axis direction is

registered. Even if the signal returns to “1”, it is not possible to move that

axis in that direction until the alarm is cleared.

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Volume Ⅱ PLC Programming and Connection

1.3 Alarm signal

General When an alarm is triggered in the CNC, the alarm is displayed on the screen, and the

alarm signal is set to 1.

Signal alarm signal

AL（F001＃0）

F001

［Classification］ output signal.

［Output condition］ The alarm signal is set to 1 when:

――The CNC is placed in the alarm state.

The alarm signal is set to 0 when:

――The alarm has been released by resetting the CNC.

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

［Function］ the alarm signal reports that the CNC is in an alarm state:

a) NC alarm

b) Overtravel alarm

c) Servo alarm

1.4 Interlock

General These signals disable machine movement along axes. When any of these signals is

activated during movement, tool movement along the affected axis is decelerated, then

stopped.

All axes interlock signal

*IT (G008＃0)

［Classification］ input signal.

［Function］ This signal is used to inhibit the machine from moving. When the *IT is “0”,

the axis movement is decelerated and stopped. In automatic operation, the

system stops in automatic run state(the cycle start signal STL is “1”, the

signal SPL is “0”).

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Signal address

GSK 25i Milling CNC System User Manual

G008

［Classification］ input signal.

Signal address

G132

G134

Interlock signal for each axis

+MIT1~+MIT5 (G132＃0~G132#4)

-MIT1~-MIT5 (G134#0~G134#4)

［Function］ inhibit the specified axis to specify the axis movement.

［Operation］ when the axial interlock signal becomes “1”, the CNC applieds interlock

only in the corresponding axial direction. However, during automatic

operation, all axes will stop.

+MIT5 +MIT4 +MIT3 +MIT2 +MIT1

-MIT5 -MIT4 -MIT3 -MIT2 -MIT1

*IT

1.5 Operation mode selection

Signal Mode selection signal

F003#0~F003#7

[Classification] Output signal.

[Function] The currently selected operation mode is output.

F003

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

MZRO MEDT MMEM MRMT MMDI MJ MH MINC

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Volume Ⅱ PLC Programming and Connection

2 Manual operation

2.1 JOG feed/incremental feed

General

JOG feed In JOG mode, setting a feed axis and direction selection bit to 1 on the machine

operator’s panel moves the machine along the selected axis in the selected

direction.

Incremental feed In incremental feed mode, setting a feed axis and direction selection bit to 1 on

the machine operator’s panel moves the machine one step along the selected

axis in the selected direction. The minimum distance the machine moves, is the

least input increment. The step can be 10, 100, or 1000 times the least input

increment.

The only difference between JOG feed and incremental feed is the method of selecting the

feed distance. In JOG feed, the machine continues to be fed while the following signals

selecting the feed axis and direction are 1: ＋J1，－J1，＋J2，－J2，＋J3，－J3，etc. In

incremental feed, the machine is fed by one step. Using JOG feedrate override dial can

regulate JOG feedrate. The step distance can be selected by MPG feed movement distance

G19＃4~G19＃5.

Signal Feed axis and direction selection signal

＋J1~＋J5（G100＃0~G100＃4）

－J1~－J5（G102＃0~G102＃4）

［Classification］ Input signal.

［Function］ In JOG feed or Incremental feed mode, select the required feed axis and

direction. +/- in the signal name indicates the feed direction, the number

corresponds to the controlled axis.

＋ J 1

1: No. X axis is fed

2: No. Y axis is fed

3: No. Z axis is fed

．．．．．．．

+ positive feed

－ negative feed

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［Operation］When the signal is set to 1, the control unit operate as follows:

* When JOG feed or incremental feed is allowed, the control unit moves

the specified axis in the specified direction.

When the signal is set to 1 in JOG feed, the control unit continues to

move that axis

* In incremental feed, the control unit feeds the requested axis by the step

distance which is specified by the manual handle feed move distance

selection signal, then the axis stops. Even if the signal is set to 0 while

the axis is being fed, the control unit does not stop moving. To feed the

axis again set the signal to 0, then to 1 again.

Manual rapid traverse selection signal

RT（G１９＃7）

［Classification］ input signal.

［Function］ Select the rapid traverse rate in JOG feed or incremental feed mode.

［Operation］ When the signal becomes 1, the control unit operates as follows:

z The control unit executes the jog feed or incremental feed at a rapid

traverse rate. The rapid traverse override is valid.

z When the signal is switched from 1 to 0 or vice versa in jog feed or

incremental feed, the feedrate is decelerated until it reaches zero, then

increased to the specified value. During acceleration and deceleration,

the feed axis and direction selection signal can be kept 1.

Signal address

G19

G100

G102

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

+J5 +J4 +J3 +J2 +J1

－J5 －J4 －J3 －J2 －J1

2.2 MPG / Step feed

General In MPG/Step feed mode, the machine moves by rotating the manual pulse

generator(MPG) or Step. Select the axis along which the machine moves with the MPG

feed axis selection signal/axis move signal.

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Volume Ⅱ PLC Programming and Connection

Signal （G018＃0~G018＃3）

［Classification］ Input signal.

［Function］ Select MPG feed axis.

Signal MPG/incremental feed selection signal

（G019＃4~G19＃5）

［Classification］ Input signal.

［Function］ The signal selects the movement distance of each pulse of MPG in MPG

feed, and also selects the movement distance of each step in the

incremental feed.

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3 Reference Point Return

3.1 Manual reference point return

General In manual reference point return mode, the machine tool move in the specified direction

by setting the position parameter N1004#6 to execute the reference point return. The

selected axis on the panel reports the axis to execute the machine zero return, which is

not related to the move direction of axis.

The following signals are related to the manual reference point return:

Manual reference point return

Reference point return selection MREF

Reference point return deceleration signal

Reference point return completion signal

Creating reference point signal

Signal Reference point return completion signals

MREF（F004＃5）

［Classification］ Output signal.

［Function ］ This signal indicates that manual reference point return has been

selected.

［Output condition］ The signal turns to “1” when:

* Manual reference point return has been selected.

The signal turns to “0” when:

* The selection of manual reference point return has terminated.

*DEC1~*DEC5

ZRF1~ZRF5

ZP1~ZP5

Reference point return completion signal

ZP1～ZP5(F94＃0~F94＃4)

［Classification］ Output signal.

［Function］ These signals report that the machine tool is at the reference point on a

controlled axis.

axis reference point return completion signal

ZP1 1

ZP2 2nd axis reference point return completion signal

ZP3 3rd axis reference point return completion signal

ZP4 4th axis reference point return completion signal

ZP5 5th axis reference point return completion signal

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Volume Ⅱ PLC Programming and Connection

［Output conditions］When these signals becomes 1:

z Manual reference point return is completed and the current position is

in the in-position area.

z The automatic reference point return(G28) is completed and the

current position is in the in-position area.

z The reference point return check is completed and the current position

is in the in-position area.

When the signal becomes 0:

z The machine tool moves from the reference point.

z The emergency stop signal appears.

z The servo alarm appears.

Reference point return deceleration signal

*DEC1~ *DEC5（G122＃0～G122#4, X9＃0~X9＃4）

［Type］ Input signal.

［Function］These signals decelerate the feedrate for manual reference point return to a

low feedrate in order to approach the reference point at the low feedrate.

Reference point establishment signal

ZRF1~ZRF4(F120＃0~F120＃4)

［Classification］ Output signal.

［Function］ Notify the system that the reference point has been established.

ZRF1 1

ZRF2 2nd reference point establishment signal

ZRF3 3rd reference point establishment signal

ZRF4 4th reference point establishment signal

ZRF5 5th reference point establishment signal

［Output condition］ The signal becomes 1 when :

z When the reference point is established after the manual reference

point return.

z When the reference point is established using the absolute position

reference point establishment signal

detector at initial power-on.

The signal becomes 0 when :

z When the reference point is lost.

Page 100

Signal address

GSK 25i Milling CNC System User Manual

X009

F004

F094

F120

G122

＃7 ＃6 ＃5 ＃4 ＃3 ＃2 ＃1 ＃0

*DEC5 *DEC4 *DEC3 *DEC2 *DEC1

MREF

ZP5 ZP4 ZP3 ZP2 ZP1

ZRF5 ZRF4 ZRF3 ZRF2 ZRF1

*DEC5 *DEC4 *DEC3 *DEC2 *DEC1

gsk GSK 25i PLC User Manual

Specifications and Main Features

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