China Jioptik JIO-D45M 45mJ Laser Target Designator with Rangefinder is an airborne equipment that provides sufficient guidance reflection energy for laser semi-active guided bombs and missiles,continuously tracking and implementing laser irradiation on targets.Communication is achieved through the RS422 communication interface, which has the characteristics of outstanding performance and simple operation.It has a wide range of application scenarios and the following advantages:small size,light weight,low power consumption,suitable for various platform environments such as airborne,vehicular,and shipborne.Laser wavelength:1064nm,direct contact with the human eye is prohibited.
The following is the introduction of high quality 45mJ Laser Target Designator with Rangefinder, hoping to help you better understand it. Welcome new and old customers to continue to cooperate with us to create a better future!
Laser ranging function and real-time reporting distance value;
Power polarity reverse protection, over current and over voltage circuit protection;
Can be laser irradiated at the built-in set frequency of 20Hz;
Can be triggered by external synchronization signal for Laser Target Designator and Rangefinder (laser irradiation (external synchronization) state);
Overtemperature alarm function: When the working temperature of the Laser Target Designator and Rangefinder is too high to continue emitting laser, it can send the overtemperature alarm status information to the upper computer and protect the safety of the Laser Target Designator and Rangefinder.
laser output times reporting function;
Laser software version features
1.Wide temperature non-thermal system design, strong anti-tuning ability, good optical axis stability, can achieve a wide temperature range of work;
2.Using unique pulse detection and automatic compensation technology, high energy stability;
3.Choose active Q-switching pump mode, fine adjustment step, high coding precision.
| project | Indicator data |
| Wavelength | 1064nm±10nm |
| Average energy | ≥45mJ |
| Energy stability | 10% (statistics after 3s of light) |
| Angle of divergence | ≤0.5mrad |
| Pulse width | 15ns±5ns |
| Radiation distance | ≥3800m |
| Range range | ≥5km |
| Service frequency | Single run, 1Hz, 5Hz, and 20Hz |
| Encoded mode | Accurate frequency encoding, and external synchronization |
| Encoding accuracy | ≤±2.5 |
| Service voltage | 18V ～32V |
| Standby power consumption | ≤4W |
| Size | ≤115mm×57mm×62mm |
| Weight | ≤800g |
Electrical interface requirements are as follows:
The upper computer terminal realizes the crosslinking test with the end connector master head J30JZLN15ZKWA000 through the connector plug J 30 JZ / XN15TJCAL01-300. The pins of the power supply and communication port at the metering device end are defined as shown below.
Definition of the photosensor terminal power supply and communication port pin
| Socket socket J30JZLN15ZKWA000 | ||
| Corresponding to the plug, J 30 JZ / XN15TJCAL01-300 | ||
| The pin number | Signal name | explain |
| 1 | 28V | Power positive pole |
| 2 | 28V | Power positive pole |
| 3 | 28V | Power positive pole |
| 4 | POWER+ | Laser power on controls the positive electrode |
| 5 | 422_A | Upper computer-> laser measurement assembly + |
| 6 | 422_B | Upper computer-> Laser measuring assembly- |
| 7 | 422_GND | 422 Communication ground wire |
| 8 | SYNC- | External Synchronization Signal- |
| 9 | 28VGND | Power anode |
| 10 | 28VGND | Power anode |
| 11 | 28VGND | Power anode |
| 12 | POWER- | The laser power on controls the negative electrode |
| 13 | 422_Y | Laser measuring assembly- -> upper computer + |
| 14 | 422_Z | Laser measuring assembly-> upper machine- |
| 15 | SYNC+ | External Synchronization Signal + |
Communication protocol definition
The communication interface adopts RS-422 bus, and its features are as follows:
Baud rate: 38.40kbps;
Byte construction: low byte in front, high byte behind; low in front, high behind;
Byte composition format: 1 start bit, 8 data bits, 1 stop bit;
Communication cycle: 20ms.
The system software sends the instructions to the laser photo reader
The control command information format is shown below.
Control command information received by the viewer
| order number | Information name | byte data | remarks |
| 0 | Frame head | 0x55 | |
| 1 | Command word 1 | 0x00 | await the opportune moment |
| 0x02 | Single ranging | ||
| 0x03 | 1HZ ranging | ||
| 0x04 | 5HZ ranging | ||
| 0x05 | shining | ||
| 0x08 | Stop the ranging / irradiation | ||
| 0x0A | Report the cumulative number of laser pulses | ||
| 2 | Command word 2 | Laser irradiation: laser code 1~8 | |
| 3 | Command word 3 | During irradiation: laser irradiation time setting (1~47) | |
| 4 | Frame tail | verification | Results of 0-3 bytes |
The photographic detector return data is shown below.
Data returned by the photo tester
| order number | name | explain | remarks |
| 0 | Frame head | 0x55 | |
| 1 | State word 1 | See Table 4 | |
| 2 | Distance value high bytes / cumulative laser pulses high bytes | ||
| 3 | Distance value low bytes / cumulative laser pulses low bytes | ||
| 4 | temperature | ||
| 5 | Frame tail | verification | Results of 0-4 bytes |
Status word 1 information definition
| BIT07 | BIT06 | BTI05 | BTI04 | BTI03 | BTI02 | BTI01 | BTI00 |
|
0: No laser 1: There is a laser |
0: The range is effective 1: Invalid range measurement |
Laser logo Alternate 1 / 0 |
1: Overtemperature alarm 0: The temperature is normal |
00: Standby 01: Distance measurement 02: Instructions |
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