WEIHONG NK300CX User manual

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NK300CX CNC Integrated System
Getting Started
Version: 2019.04 17 Version
Author: Document Department
Weihong Corporation, All Rights Reserved
1 System Overview ............................................................................................................................3
1.1 NK300CX Host.....................................................................................................................3
1.2 WH106C Operation Panel and WH201C Keypad Panel ......................................6
1.3 WH108C Operation Panel............................................................................................ 10
1.4 WH208A1 Operation Panel......................................................................................... 13
1.5 NK300CX Connection Diagram.................................................................................. 18
1.6 Main Software Interface ............................................................................................... 21
2 Basic Commissioning ................................................................................................................. 22
2.1 Switch the System Configuration.............................................................................. 22
2.2 Adjust I/O Port Polarity................................................................................................ 23
2.3 Set Commissioning Parameters................................................................................. 25
2.4 Adjust the Axis Direction ............................................................................................. 28
2.5 Return to the Machine Origin..................................................................................... 29
2.6 Set the Workbench Travel ........................................................................................... 31
3 Quick Start...................................................................................................................................... 32
3.1 Load a Program File ....................................................................................................... 32
3.2 Execute Tool Calibration.............................................................................................. 37
3.3 Adjust the WCS................................................................................................................. 41
3.4 Define the Workpiece Origin ...................................................................................... 43
3.5 Select Tools for Machining .......................................................................................... 45

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3.6 Execute Selective Machining....................................................................................... 47
3.7 Execute Machining.......................................................................................................... 49
4 FAQs (Operator)........................................................................................................................... 50
4.1 Failed to Register the System ..................................................................................... 50
4.2 Tool Calibration Overtravel Alarm........................................................................... 51
4.3 Z-axis Overtravel Protection....................................................................................... 51
5 FAQs (Manufacturer) ................................................................................................................. 52
5.1 Axis Servo Alarm ............................................................................................................. 52
5.2 Failed to Register the System ..................................................................................... 52
5.3 Drive 400 Alarm .............................................................................................................. 53

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1System Overview
NK300CX Integrated CNC System (Hereinafter referred as to NK300CX) consists
of hardware and software:
Hardware
•NK300CX host
•Operation panel and keypad panel
–NK300CX-H: WH106C operation panel and WH201C keypad panel
–NK300CX-V: WH108C operation panel
–NK300CX for Frilling: WH208A1 operation panel
•Lambda terminal board
It varies with axes configuration and software functions:
–Lambda 4S: pulse-type, up to 4 axes supported.
–Lambda 5S: pulse-type, up to 5 axes supported.
–Lambda 5E: pulse-type, up to 5 axes and absolute function supported.
–Lambda 5M: bus-type, up to 8 axes and absolute function supported.
•DB9M/F cables
See NK300CX Connection Diagram for how to connect all hardware.
Software
Based on an embedded platform, NK300CX software can be divided into the
following:
•Integral software: combine configurations of 3 axes, 4 axes, and 5 axes as a
whole.
•Multi-Z axes software: used for motion control of multi-Z axes, including
linkage configuration, double Y linkage configuration and alternative
configuration.
This section takes integral software under three-axis configuration as an
example.
See Main Software Interface for the introduction for its main software interface.
1.1NK300CX Host
This part introduces the layout and mounting dimension of NK300CX host.
1.1.1 Layout
It introduces the layout of both front view and rear view.

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1.1.1.1 Front View
The front view of NK300CX host is as follows:
1. USB interface
Used to connect with USB flash disks. And it is protected by a cover.
2. Display area
Human-machine interface, or user’s interface. It is user-friendly and ease of use.
3. Functional keys
There are altogether 6 functional areas, including Gen. (machining), Adv.
(advanced), Prog. (program), Sys (system), Para. (parameter) and Diag.
(diagnosis) keys.
You can access the functional area by directly pressing corresponding key.
4. Operation keys
Including keys from F1 to F8, and page turning keys.
Used to activate the functions indicated by the soft keys, and turn to previous
page or next page.

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1.1.1.2 Rear View
The rear view of NK300CX host is as follows:
1. DB9M/F cable interface
–For NK300CX-H, it is used to connect with the keypad panel.
–For NK300CX-V, it is used to connect with the operation panel.
2. Terminal board interface
Used to connect with Lambda terminal board.
3. VGA interface
Used to connect with VGA devices, which are not needed under general
situation.
4. LAN interface
Used to connect with network, with 100Mbps transmission rate.
5. USB interface
Two USB interfaces, which are used to connect with USB flash disks.
6. Power interface
Used to connect with 220V power supply.

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1.1.2 Mounting Dimension (Unit: mm)
NK300CX Dimension
NK300CX Cut-out
1.2WH106C Operation Panel and WH201C Keypad Panel
This part introduces the layout and mounting dimension of WH106C operation
panel and WH201C keypad panel used by NK300CX-H.
1.2.1 Operation Panel
This part introduces the layout and mounting dimension of WH106C operation
panel.

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1.2.1.1 Layout
The front view of the operation panel is as follows:
1. USB interface
Used to connect with USB flash disks.
2. E-stop switch
Used to stop the machine tool completely when the machine tool is in danger by
triggering the E-stop alarm, so as to protect the operator and machine tool.
After danger is cleared, you can remove the E-stop alarm by rotating the switch
in the clockwise direction.
3. Spindle override knob
Used to adjust spindle override from 50% to 150%.
4. Keys for mode selection
Used to select a machining mode among Auto, JOG, Handle, Step and
REF.Point.
JOG, Handle, Step are referred as Manual mode.
5. Feed override knob
Used to adjust feed override from 0 to 120%.
6. Axis direction keys
Used to manually move each axis.
In Manual mode:
–Press an axis direction key and Rapid key. The machine tool moves at
rapid jog speed.
–Press an axis direction key. The machine tool moves at jog speed.

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7. Keys for common operations
Used to execute common operations, including Simulate, Single Block, Handle
and Reset keys.
8. Spindle control keys
Used to control spindle movement, including CW, Stop and CCW keys.
9. Extension keys
Used to customize extension functions, including K1, K2, K3 and K4 keys.
10. Keys for common ports
Used to turn on or turn off frequently used ports.
11. Keys for movement control
Used to control the movement of the machine tool, including START, STOP,
Pause, and Resume keys.
See Execute Machining for details.
12. Power Switch
Used to control power on or off.
1.2.1.2 Mounting Dimension (Unit: mm)
WH106C Dimension
WH106C Cut-out

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1.2.2 Keypad Panel
This part introduces the layout and mounting dimension of WH201C keypad panel.
1.2.2.1 Layout
The front view of the keypad panel is as follows:
1. Alpha-numeric keys
2. Direction keys
3. System operation keys

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1.2.2.2 Mounting Dimension (Unit: mm)
WH201C Dimension
WH201C Cut-out
1.3WH108C Operation Panel
This part introduces the layout and mounting dimension of WH108C operation
panel used by NK300CX-V.

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1.3.1 Layout
The front view of the operation panel is as follows:
1. Alpha-numeric keys
Used to input characters and numbers. Its use is generally the same with that of
the computer keyboard:
–Press an alphabet key to enter the alphabet on the right-lower part.
–Press Shift key and an alphabet key to enter the alphabet on the left-
upper right.
2. Keys for common operations
Used to enable frequently used operations, including ATC CW, ATC CCW, ATC
OUT, Unclamp, Reset, Simulate, Single Block and HW Guide keys.
3. Keys for common ports
Used to turn on / off frequently used ports, including Air, Light, Coolant, Oil
keys, and control rapid movement, including Rapid key.

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4. Keys for mode selection
Used to select a machining mode among REF.Point, JOG, Auto, Handle and
Step.
JOG, Handle, Step are referred as Manual mode.
5. Extension keys
Used to customize extension functions, including K1, K2, K3 and K4 keys.
In Shoe Machine Control System, K1 key is used as an air brake key for frock
clamp. Before each machining, the system will judge whether the fixture is
clamped. Only when it is clamped, the system will start machining. Otherwise, a
yellow alarm occurs.
6. Keys for spindle control
Used to control the spindle movement, including CW, Stop and CCW keys.
7. E-stop switch
Used to stop the movement of the machine tool when the machine tool is in
danger, so as to protect the operator and machine tool.
After danger is cleared, you can rotate the switch clockwise to remove the E-
stop alarm.
8. Keys for axis direction
Used to manually move each axis.
In Manual mode:
–Press an axis direction key and Rapid key at the same time. The axis
moves at rapid jog speed.
–Press an axis direction key. The axis moves at jog speed.
9. Power Switch
Used to control power on or off.
10. Keys for movement control
Used to control the movement of the machine tool, including START, STOP,
Pause, and Resume keys.
See Execute Machining for details.

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11. Spindle override knob
Used to adjust spindle override from 50% to 150%.
When parameter N72003 G00 F Fixed is set to No, the knob is used as G00
override knob and used to adjust G00 override from 0 to 100%.
12. Feed override knob
Used to adjust feed override from 0 to 120%.
1.3.2 Mounting Dimension (Unit: mm)
WH108C Dimension
WH108C Cut-out
1.4WH208A1 Operation Panel
This part introduces the layout and mounting dimension of WH208A operation
panel used by NK300CX for Drilling.

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1.4.1 Layout
The front view of the operation panel is as follows:

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1. Alpha-numeric keys
Used to input characters and numbers. Its use is generally the same with that of
the computer keyboard:
–Press an alphabet key to enter the alphabet on the right-lower part.
–Press Shift key and an alphabet key to enter the alphabet on the left-
upper right.
2. Keys for mode selection
Used to select a machining mode among Auto, JOG, Handle, Step and
REF.Point.
JOG, Handle, Step are referred as Manual mode.
3. Functional keys
There are altogether 6 functional areas, including Gen. (machining), Adv.
(advanced), Prog. (program), Sys (system), Para. (parameter) and Diag.
(diagnosis) keys.
You can access the functional area by directly pressing corresponding key.
4. Keys for tool magazine
Used to check the current tool number, pocket number, and execute operations
related to tool magazine.
Note: ATC CW and ACT CCW keys are valid only when Circular Tool Magazine is enabled.
5. Keys for adjusting step length
Used to adjust step length or override for its own handwheel.
X1, X10, X100 and XUD keys represent 0.001, 0.01, 0.1 and customized step
length separately.
6. Keys for axis direction
Used to manually move each axis.
In Manual mode:
–Press an axis direction key and Rapid key. The machine tool moves at
rapid jog speed.
–Press an axis direction key. The machine tool moves at jog speed.
7. Keys for spindle control
Used to control the spindle movement, including CW, STOP and CCW keys,
adjust spindle override, and customize extension function, including K1, K2
and K3 keys.

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8. Keys for common ports
Used to turn on / off frequently used ports, and execute common operations,
including Resume, Pause and Reset keys.
9. Switch for machining control
Used to start or stop the movement of the machine tool.
See Execute Machining for details.
10. Feed override knob
Used to adjust feed override from 0 to 120%.
11. Power Switch
Used to control power on or off.
12. Handwheel
Used to control the movement of the machine tool by a handwheel.
The operation panel has its own handwheel.
13. G00 override knob
Used to adjust G00 override from 0 to 100%.
14. Operation panel switch
Used to enable or disable operation panel.
15. USB interface
Used to connect with USB flash disks.
16. E-stop switch
Used to stop the movement of the machine tool when the machine tool is in danger,
so as to protect the operator and machine tool.
After danger is cleared, you can rotate the switch clockwise to remove the E-stop
alarm.

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1.4.2 Mounting Dimension (Unit: mm)
WH208A Dimension
WH208A Cut-out

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1.5NK300CX Connection Diagram
According to the type of control system, connection diagram of NK300CX can be
divided into the following:
•Connection diagram of non-bus control system
•Connection diagram of bus control system
Taking the frequently used bus control system as an example, this part can be
divided into the following:
•NK300CX-H connection diagram
•NK300CX-V connection diagram
Note: Connection diagram for NK300CX for Drilling bus control system is similar to that of NK300CX-V
except its operation panel.

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1.5.1 NK300CX-H Connection Diagram
The connection diagram for NK300CX-H bus control system is as follows:

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1.5.2 NK300CX-V Connection Diagram
The connection diagram for NK300CX-V bus control system is as follows: