
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch VI
6.2.7. HN-P-25M Series ............................................................................................................ 114
7. Electrical Interface..................................................................................................... 115
7.1. LED Light............................................................................................................. 115
7.2. Ethernet Port ....................................................................................................... 115
7.3. I/O Port................................................................................................................ 115
7.3.1. Line0 (Opto-isolated Input) Circuit .................................................................................. 116
7.3.2. Line1 (Opto-isolated Output) Circuit................................................................................ 118
7.3.3. GPIO 2/3 (Bidirectional) Circuit ....................................................................................... 120
7.3.3.1. Line2/3 is Configured as Input.................................................................................. 120
7.3.3.2. Line2/3 is Configured as Output ............................................................................... 121
8. Features ................................................................................................................... 123
8.1. I/O Control ........................................................................................................... 123
8.1.1. Input Mode Operation...................................................................................................... 123
8.1.2. Output Mode Operation................................................................................................... 124
8.1.3. Read the LineStatus ........................................................................................................ 125
8.2. Image Acquisition Control.................................................................................... 126
8.2.1. Acquisition Start and Stop ............................................................................................... 126
8.2.1.1. Acquisition Start........................................................................................................ 126
8.2.1.2. Acquisition Stop ........................................................................................................ 127
8.2.2. Switching Acquisition Mode............................................................................................. 128
8.2.3. Continuous Mode and Configuration............................................................................... 129
8.2.4. Software Trigger Acquisition and Configuration.............................................................. 129
8.2.5. Hardware Trigger Acquisition and Configuration ............................................................ 130
8.2.6. Set Exposure ................................................................................................................... 133
8.2.7. Overlap Exposure and Non-overlap Exposure ............................................................... 137
8.3. Basic Features .................................................................................................... 139
8.3.1. Gain ................................................................................................................................. 139
8.3.2. Pixel Format..................................................................................................................... 142
8.3.3. ROI................................................................................................................................... 147
8.3.4. Auto Exposure/Auto Gain................................................................................................ 148
8.3.4.1. ROI Setting of Auto Exposure/ Auto Gain ................................................................ 148
8.3.4.2. Auto Gain .................................................................................................................. 149
8.3.4.3. Auto Exposure .......................................................................................................... 149
8.3.5. Auto White Balance......................................................................................................... 149
8.3.5.1. Auto White Balance ROI........................................................................................... 149
8.3.5.2. Auto White Balance Adjustment............................................................................... 150
8.3.6. Lookup Table................................................................................................................... 151
8.3.7. Test Pattern ..................................................................................................................... 152
8.3.8. User Set Control .............................................................................................................. 154
8.3.9. Device User ID ................................................................................................................ 156