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HUST H2N Connecting Manual

4 - 8

Table of Contents

Table of Contents3
Introduction7
Configuration9
System Configuration9
Installation and Dimension11
Environmental Requirements11
Cabinet Considerations11
Thermal Design in a Cabinet12
External Dimensions and Diagrams13
Connecting Diagrams19
Connector Type19
Connector Designation19
System Connecting Block Diagram20
O Interface Connections27
I/O Connector Pin Assignment27
Input Signals29
Output Signals30
Interface between Cnc Controller and Plc35
HUST H2N Series Status Signal S-Bits35
S-Bit Signal and PLC Cycle Time Chart37
Descriptions of S-Bits37
Square Wave Signal with 0.75Sec On,0.25Sec off (S000)37
Reset Key Strobe (S001)37
Cycle Start Key Strobe (S002)37
Square Wave Signal with Wave Period (S008~S011)37
CNC Control Unit Alarm Signal (S016)38
Key Strobe (S017)38
Key Strobe for Key Being Pressed Twice in 0.5Sec (S018)38
Cursor up Key Strobe (S020) Cursor down Key Strobe (S021)38
Page up Key Strobe (S022)38
Page down Key Strobe (S023)38
Servo Motor Status (S064,S065,S088)38
In Process Status Bit (S080)38
Spindle Status Bit (S085)39
Servo Motor Status (S088)39
Key Signals from PC or MMI (S104~S111)39
Battery (BT1,BT2) down Signal (S120~S121)39
Key Strobe for Key Being Pressed down and Kept down39
Ladder Simulation Mode (S127)39
And Y-Axis Home Signal at Machine Coordinate=0 (S160~S161)39
In-Position Signal for X and Y-Axis (S176~S177)39
Direction of Motor Rotation (+/-) for X and Y-Axis (S192~S193)40
Positioning Execution in PLC (S208~S209)40
PLC Command Signal C-Bits43
Machine Lock/Feed-Hold (C000)43
Reset (C001)44
Emergency Stop Signal (C002)44
Cycle Start (C004)44
Single Block (C006)44
NC Alarm (C007)45
Program Restart-1 (C011)45
Program Restart-2 (C012~C013)46
Dryrun (C015)47
Cursor up and Cursor down (C020~C021)47
Page up and Page down Key (C022~C023)47
Option Stop (C026)48
Option Skip (C027)48
Speed Deceleration Selection for G31 Skip Function (C028)48
Counter Status (C030)49
PLC Ladder Simulation (C031)49
M-, T-, S-Code Command Finish Signal (C032~C034)49
Round Corner Non-Stop Operation (C036)49
MPG Hand-Wheel Test Mode (C056)50
Return to the Last Program Block (C057)50
Program Edit and MCM Edit Function Disabled (C058~C059)50
HOME Execution Command (C063) HOME Limit Switch Signals (C064~C065)50
Specify Work Coordinate Group as Working Coordinate (C123)51
Clear the Current Axial Work and Machine Coordinate to Zero52
Spindle Control (C117)52
Command Code for Program Selection from External Device (C120)53
Command for Spindle Speed Control (In%) from External I/O Device (C121)53
Axial Data Input Disabled in TEACH Mode (C128~C129)53
DRO Mode Enabled (C144~C145)53
Signal for Over~Travel (OT) Limit Switch (C160~C163)54
Clear Error-Count (C192~C193)54
Positioning Execution in PLC Program (C208~C213)54
Special C-Bit for G28,G29 and G30 (C224~C225)54
Axial Motion Command in JOG Mode (C228)54
G01 Feed-Rate Adjustment by MPG Hand-Wheel (C229,C230)55
Load File from EPROM/FLASH-Rom (C231)55
Clear G54 Work Coordinates (C232)55
Program Simulation Without V-Command and Encoder Feedback (C235)55
MPG Hand-Wheel Feed Interrupt Mode (C242)55
MMI (man Machine Interface) or LCD Screen in Sleep Mode (C243)56
Suppressing Alarm ERROR-2 When Following Count>4096 (C244)56
Re-Defined Keyboard Key (C245)56
LCD Display Function Disabled (C247)57
User Defined Keyboard Function Output (C255)57
Description of PLC Register57
Variables67
Input and Output Signal (I-Bits & O-Bit)70
Ladder Diagram71
Introduction to Ladder Diagram71
Interface Signal Definitions for PLC Ladder Diagram71
Maximum Input/Output Point for PLC and PLC Editor71
PLC and PLC Editor Graphical Symbols72
Composition and Modification of a Ladder Diagram72
EPROM Writer75
Writing Ladder Program into EPROM and Flash-Rom75
EPROM Installation75

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