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GJ-301 铣床系统数控装置采用先进的开放式体系结构，内置嵌入式工业 CPU 板卡，配置 8.4”彩色液晶显示屏和标准机床工程面板，集成轴控制接口，通用（本机）I/O 接口，远程（同步串行I/O）接口，网络接口和 USB 接口。具有高性能、配置灵活、结构紧凑、易于使用、可靠性高的特点。
产品技术特点：
X，Y,Z 三轴联动，可选配第四轴；
最小设定单位 0.001mm/0.001deg；
内嵌式高速软 PLC，基本指令处理时间 3µs/setp，可以在线编辑梯形图和查看梯形图状态显示，实现 PLC 实时监控，另附带 PLC 示波器查看功能和一键式上传，下载功能；具有双向螺距误差补偿，反向间隙补偿，自动零漂补偿，刀具长度补偿，刀尖半径补偿功能；采用直线型和 S 曲线型加减速控制，适应高速，高精加工；
采用微小线段的动态前瞻处理，有效地实现小线段加工处理中的速度光滑和尖角过渡问题，从而改善工件的表面加工质量，提高加工效率；可车削公/英制、单头/多头的直螺纹，锥螺纹，端面螺纹，变螺距螺纹，及螺纹退尾处理；具有多种车削循环功能，粗车循环，端面粗车循环，型车复合循环，螺纹切削复合循环等；具有主轴恒定表面切削功能，主轴定位、定向功能，Cs 轴功能，和第二主轴控制功能；支持工件程序后台编辑和操作，系统参数备份，报警履历显示，日志功能，集成中英文界面显示，和利用 USB 实现一键式系统升级功能并且支持 PC 机与数控系统的远程控制。
目 录
I
I. 概述 ................................................................................................................................. 3
1 产品介绍及注意事项................................................................................................4
1.1 产品介绍 .............................................................................................................4
1.2 安全.....................................................................................................................4
1.3 开箱检查 ............................................................................................................6
1.4 环境要求 .............................................................................................................6
1.5 数控机床操作流程..............................................................................................7
1.6 阅读本说明书的注意事项 ..................................................................................8
1.7 各种数据的注意事项..........................................................................................8
II．连接部分 ....................................................................................................................... 9
1.1 综合接线图 ..........................................................................................................10
1.2 功能描述...............................................................................................................10
1.2.1 数控装置 .......................................................................................................10
1.2.2 通用 I/O 端子板 ............................................................................................15
1.2.3 远程 I/O 单元（SSB 同步串行 I/O 单元）...................................................15
1.2.4 SSB-I/O 单元输入/输出端子板......................................................................17
1.3 电源......................................................................................................................17
1.4 数控装置与驱动装置连接 ...................................................................................18
1.4.1 伺服控制接口引脚定义 ................................................................................18
1.4.2 伺服控制信号说明........................................................................................19
1.4.3 编码器信号输入............................................................................................20
1.4.4 D/A 输出 .....................................................................................................21
1.4.5 连接伺服实例.................................................................................................23
1.5 数控装置与 SSB-I/O 单元的连接........................................................................26
1.5.1 数控装置和 SSB-I/O 单元的通讯连接 .........................................................27
1.5.2 SSB-I/O 单元的电源输入............................................................................31
1.6 数控装置开关量的输入/输出 ..............................................................................32
1.6.1 本机开关量的输入/输出接口 .......................................................................32
1.6.2 SSB-I/O 单元开关量的输入/输出接口 ..........................................................36
1.6.3 机床操作站 PLC 地址表...............................................................................42
1.7 数控装置与手持操作站的连接 ...........................................................................43
1.7.1 手持操作站接口定义.....................................................................................43
1.7.2 GJ-301 数控装置的手持操作站接口（MPG）定义......................................44
1.7.3 数控装置与手持操作站连接框图.................................................................46
1.7.4 数控装置连接用户自制的手持操作站 .........................................................46
1.8 机床操作站的对外连接........................................................................................47
1.9 数控装置与计算机连接........................................................................................48
1.10 电磁兼容设计 ....................................................................................................48
1.10.1 数控系统达到的电磁兼容指标....................................................................49
1.11 安全与防护设计.................................................................................................50
1.11.1 绝缘电阻 ......................................................................................................50
1.11.2 耐电压强度...................................................................................................50
1.11.3 对地泄漏电流测试 .......................................................................................50
1.11.4 电源适应测试...............................................................................................50
1.11.5 防护等级 ......................................................................................................50
1.12 系统安装 ............................................................................................................51
1.12.1 系统安装尺寸图..........................................................................................51
1.12.2 SSB-I/O 单元的安装尺寸图.........................................................................54
1.12.3 系统的安装环境..........................................................................................54
1.12.4 系统安装的干扰问题 ..................................................................................55
1.12.5 系统安装的接地问题 ..................................................................................56
Ⅲ. 编 程........................................................................................................................... 57
1. NC 编程的基本原理 ...............................................................................................58
1.1 数控程序结构...................................................................................................58
1.2 数控机床概述...................................................................................................58
1.3 程序段的格式...................................................................................................60
1.4 模态分组 ..........................................................................................................71
2. 准备功能编程指令.................................................................................................72
2.1 G 功能表 ...........................................................................................................72
2.2 定位(G00)..........................................................................................................75
2.3 直线插补(G01)..................................................................................................76
2.4 圆弧插补和螺旋线插补(G02/ G03) .................................................................77
2.5 暂停(G04).........................................................................................................81
2.6 程序段精确停(G09) .........................................................................................82
2.7 可编程数据输入(G10) ......................................................................................82
2.8 极坐标编程(G15/G16) ......................................................................................83
2.8 平面选择(G17/G18/ G19).................................................................................85
2.9 英制/公制转换(G20/ G21)................................................................................85
2.10 存储行程检测(G22/ G23)................................................................................86
2.11 返回机床参考点(G28/G29/G30) .....................................................................87
2.12 程序跳转功能 (G31) ......................................................................................89
2.13 刀具半径补偿 C(G40-G42)............................................................................89
2.14 刀具半径补偿 C 详细说明..............................................................................97
2.15 刀具长度补偿(G43/G49)..............................................................................107
2.16 比例缩放(G50/G51) .....................................................................................108
2.17 局部坐标系(G52) ..........................................................................................109
2.18 选择机床坐标系(G53)...................................................................................110
2.19 选择工件坐标系........................................................................................... 111
2.20 设置运动模式(G61/G61.1/G64)....................................................................113
2.21 宏程序调用(G65/G66/G67)...........................................................................113
2.22 坐标系旋转(G68、G69)...............................................................................117
2.23 固定切削循环(G81－G89)...........................................................................119
2.24 固定切削循环取消(G80)..............................................................................135
2.25 G90/G91 绝对值/增量值编程.......................................................................136
2.26 坐标偏移设置(G92 /G92.1/ G92.2/ G92.3)...................................................136
2.27 进给率模式设置(G93/ G94/G95) ..................................................................138
2.28 主轴表面恒线速控制（G96/G97）.............................................................139
2.29 设置固定循环退刀模式（G98/G99） ..........................................................140
3. M 辅助功能编程指令 ...........................................................................................142
3.1 M 代码配置（分组、类型）..........................................................................142
3.2 M00 程序段暂停 .............................................................................................143
3.3 M01 程序条件停 .............................................................................................143
3.4 M02 程序结束.................................................................................................143
3.5 M30 程序结束并返回到程序开始 ..................................................................143
3.7 M03 主轴顺时针启动旋转..............................................................................144
3.8 M04 主轴逆时针启动旋转..............................................................................144
3.9 M05 主轴停.....................................................................................................144
3.10 M06 换刀.......................................................................................................144
3.11 M7，M8，M9 冷却剂...................................................................................144
3.12 M48 M49 修调 ..............................................................................................144
3.13 M98/M99 子程序调用及返回 .......................................................................144
4. 其他......................................................................................................................145
4.1 开关................................................................................................................145
4.2 其他字............................................................................................................146
4.3 一行中指令执行顺序.....................................................................................147
4.4 程序控制指令.................................................................................................148
4.5 任意角度倒角/圆弧过度.................................................................................150
4.6 双边轴控制 ....................................................................................................153
5．示例程序.............................................................................................................155
IV. 操作........................................................................................................................... 161
1. 操作面板及显示界面概述...................................................................................162
1.1 操作面板 ........................................................................................................162
1.2 显示屏............................................................................................................167
2. 系统上电与下电 ..................................................................................................172
3. 手动操作..............................................................................................................173
3.1 手动连续进给.................................................................................................174
3.2 手轮进给 ........................................................................................................175
3.3 轴回零............................................................................................................176
4. 自动操作..............................................................................................................177
4.1 MDI 运行 ........................................................................................................177
4.2 程序运行 ........................................................................................................178
5. 系统复位..............................................................................................................184
6. 机床其它操作 ......................................................................................................184
6.1 M01 使能.........................................................................................................184
6.2 斜线使能 ........................................................................................................185
6.3 轴锁住............................................................................................................185
6.4 辅助锁住 ........................................................................................................186
6.5 重启动............................................................................................................187
6.6 零件数............................................................................................................188
6.7 空运行............................................................................................................188
保存断点...............................................................................................................189
6.9 公/英制...........................................................................................................190
7. 图形显示..............................................................................................................191
7.1 设置图形显示范围..........................................................................................191
8. 后台功能介绍 ......................................................................................................192
8.1 刀具偏置设定.................................................................................................193
8.2 坐标系设定 ....................................................................................................194
8.3 程序编辑 ........................................................................................................197
8.4 文件操作 .........................................................................................................199
8.5 报警信息 .........................................................................................................200
8.6 宏变量设定 ....................................................................................................200
8.7 参数设置 ........................................................................................................202
8.8 备份与恢复 .....................................................................................................202
8.9 M 代码设定.....................................................................................................204目 录
VI
8.10 PLC................................................................................................................206
8.11 螺距误差补偿设定.......................................................................................207
8.12 随机刀具表 ..................................................................................................208
8.13 软 IO 设定 ....................................................................................................209
8.14 零漂补偿 .......................................................................................................210
8.13 系统升级 ......................................................................................................211
8.14 切换用户 ......................................................................................................211
9 关闭系统...............................................................................................................213
V. 系统参数..................................................................................................................... 214
1 参数概览...............................................................................................................220
2 常规参数...............................................................................................................226
3 机床参数...............................................................................................................228
4 主轴参数...............................................................................................................243
5 用户参数...............................................................................................................250
VI. 报警信息................................................................................................................... 257
1. 编程相关报警信息...............................................................................................259
2. 运动相关报警信息...............................................................................................271
3. 操作相关报警信息...............................................................................................274
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