Detector

MCT640×512

Spectral range

3.7～4.8μm

Pixel pitch

15μm

Cooling method

Stirling Refrigerator

F

 F4/F5.5

NETD

≤25mk@25℃

Cooling time

≤8 minutes in normal temperature

Video output

Standard PAL system for analog video signals

Digital video

LVDS

Frame frequency

25HZ

Control communication

RS232 or RS422

Correction

manual correction/background correction

Polarity control

white hot/black hot switch

Electronic Zoom

×2/×4 electronic zoom

Image enhancement

Yes

Cross display

Yes

Image turning

Horizontal/vertical

Power source

DC 24 ~32 V, with power reverse polarity protection

Power consumption

≤15W@25℃, steady state
≤24W@25℃, start-up peak

Operation Temperature

-40℃~60℃

Storage Temperature 

-40℃~70℃

Weight

≤800g

Sizes

see details

Pin Number

Definitions

1,9

Power +, input

2,10

Power -, input

3

Video + output

11

Video GND

4

RS422_A

12

RS422_B

5

RS422_Z

13

RS422_Y

6

RS232_RX

14

RS232_TX

7

GND

15

GND

8

SER_LVDS_OUT-

16

SER_LVDS_OUT+

Data packet protocol

Explanation

Start sign

1 byte, hex value FOH

Data length

1 byte, X

Data

Data of X bytes

Checksum

low 8 bytes for the sum of X bytes

End sign

1 byte, hex value FFH

Data Link Escape Character 

In the packet, if “FOH” emerges in data other than the signs of start and end, i.e. data between the second and N+1th, it should  be changed to “F5H 00H”;
“FFH” should be changed to “F5H 0FH”;
“F5H” should be changed to “F5H 05H”.

Note data length

Data length of the packet shall be determined by the number of effective data, and there is no need for bytes of the escape character to be added in.

Name of Command

Equipment Address

Function Code

Additional Data

Notes

Status Inquiry

26H

00H

With feedback

background correction

26H

02H

manual correction

26H

03H

Crosshair display

26H

04H

1 byte. 00H is for crosshair hiding ; 0FH is for crosshair showing

Polarity setting

26H

05H

1 byte. 00H is for white hot; 0FH is for black hot

Gamma adjustment

26H

06H

1 byte, 1~23, default value is 8.

Auto correction setting

26H

07H

1 byte. 00H is for off; 0FH is for on

Automatic manual correction, default setting off

Electronic zoom setting

26H

08H

1 byte. 00H is for off; 0FH is for on

Video gain setting

26H

09H

1 byte. 0~255. Default value is 128

Video brightness setting

26H

0AH

1 byte. 0~255. Default value is 128

Crosshair X coordinate

26H

0BH

2 bytes. 0~65535 from low to high

Crosshair Y coordinate

26H

0CH

2 bytes. 0~65535 from low to high

Image enhancement

26H

0EH

1 byte. 00H is for off; 0FH is for on

DDE setting

26H

77H

1 byte, 0~255.

Focus position value setting

26H

18H

3bytes,first byte is”12H”
2~3byte:0~65535 from low to high

Zoom position value setting

26H

18H

3bytes,first byte is”22H”
2~3byte:0~65535 from low to high

Inquire Focus & zoom position value

26H

1DH

1byte,00H

Inquire max and min values of Focus & zoom position

26H

1DH

1byte,20H

Read accumulated working time

26H

1DH

10H

System reset

26H

80H

Restore the default setting for parameters of the thermal core

Responding packet

Equipment address

Function Code

Additional Data

Status inquiry

26H

00H

The first byte:
B0：Crosshair display, 0 is off, 1 is on;
B1：Polarity indication, 0 is white hot, 1 is black hot;
B2：Auto correction setting, 0 is off, 1 is on;
B3：electronic zoom setting, 0 is off, 1 is on;
B5：Image enhance setting, 0 is off, 1 is on;
The rest are reserved, setting as 0.
The second byte: video gain.
The third byte: video brightness.
The fourth and fifth bytes: crosshair X coordinate, from low to high.
The sixth and seventh bytes: crosshair Y coordinate, from low to high.
The eighth byte: Gamma
From the ninth to the sixteenth bytes: reserved.

Inquire Focus & zoom position value

26H

1DH

The first byte:06H,cmd type
2~3byte: temperature of core
4~5byte: zoom position value
6~7byte: focus position value

Inquire max and min value of Focus & zoom position

26H

1DH

The first byte:28H,cmd type
2~3byte: Min value of focus position
4~5byte: Max value of focus position
6~7byte: Min value of zoom position
8~9byte: Max value of zoom position

Inqure working time

26H

1DH

The first byte:16H
2~5byte：working time ，from low to high，
1LSB=1s
6~7byte：Boot times ，from low to high,
The rest are reserved

MAX9257

Digital image definition

Din0

Pxl_D0：image data，the 0th（the lowest）

Din1

Pxl_D1：image data，the 1th

Din2

Pxl_D2：image data，the 2nd

Din3

Pxl_D3：image data，the 3rd

Din4

Pxl_D4：image data，the 4th

Din5

Pxl_D5：image data，the 5th

Din6

Pxl_D6：image data，the 6th

Din7

Pxl_D7：image data，the 7th

Din8

Pxl_D8：image data，the 8th

Din9

Pxl_D9：image data，the 9th

Din10

Pxl_D10：image data，the 10th

Din11

Pxl_D11：image data，the 11th

Din12

Pxl_D12：image data，the 12th

Din13

Pxl_D13：image data，the 13th（the highest）

HSYNC

HS：line synchronized and high efficient

VSYNC

FS：field synchronized and high efficient

PCLK

Pxl_Clk：pixel clock

Others

Reserved