DISPLAY Block diagram BASE BOARD CPU BOARD DDR-3 1GB (256MB X 4) CPU ARM Cortex A9 1 Ghz Dual Core 7 Inch TFT LCD RGB STATUS LED Touch Panel EMMC 4GB (Ver 4.41) PCIE N/A NAND 1GB(SLC) Micro SD (Socket) RMII 10/100 Ethernet UART 0 - Debug 1 – UART 1 2 –UART 2 EEP-ROM 3 – 485 1 4 – 485 2 PMIC I2S AUDIO CODEC 2W Speaker USB 2.0HUB RTC USB A PORT X2 KEY-IN 6EA BUZZER 3 COLOR LED

Measurement Block diagram MCU ARM Cortex M3 850nm, 1100Hz Modulation I2C 레이져 Current 제어회로 레이져 다이오드 BS1 BS2 I/O PWM 레이져 발광회로 reference light Fiber S/W CONTROL 1-1 Fiber S/W CONTROL 1-8 Fiber S/W CONTROL 2-1 Fiber S/W CONTROL 2-8 Fiber S/W CONTROL 3-1 Fiber S/W CONTROL 3-8 optical fiber 4×1 switch thermocouple optical switch input RTC X-TAL EXTENDER Fiber S/W INPUT 1-2,3,4,5,6,7 Fiber S/W INPUT 2-2,3,4,5,6,7 Fiber S/W INPUT 3-2,3,4,5,6,7 (Fiber S/W status) optical switch 1 optical switch 2 collection lens dirty check optical switch 3 Span calibration weak comparable to the backscattered light 예비용 I/O 확보 collection lens x1,x2,x4,x8 ANALOG INNER FAN CONTROL ADC AMP Relay1 ANALOG demodulate Programable Gain AMP 레이져 수광회로 (PRE AMP) 수광 센서 signal 3 PD3 FREQ Peltier control - INNER HOT Peltier control - INNER COOL Relay2 ANALOG demodulate ANALOG 레이져 수광회로 (PRE AMP) Ref1 수광 센서 signal 1 PD1 (fixed gain) MOTOR Interrupt - 1 MOTOR Interrupt - 2 current-to-voltage convertor Relay3 ANALOG demodulate ANALOG 레이져 수광회로 (PRE AMP) Ref2 수광 센서 signal 2 PD2 (fixed gain) Shetter1 (DC12V) MOTOR CONTROL –1 CW MOTOR CONTROL –1 CCW MOTOR CONTROL –2 CW MOTOR CONTROL –2 CCW laser emitting window dirty check current-to-voltage convertor Relay4 AIN1 입력 current-to-voltage convertor Shetter2 (DC12V) REF VOLTAGE UART RS-232 UART-1 (DBG) Relay5 AIN2 입력 RS-232(FULL) OR RS-485(HALF) UART-2 (통신용) DISPLAY UART Relay6 BAT_CHK 입력 RS-232 UART-3 (통신용) BLOWER UART Photo gain ANALOG SWITCH Relay7 AOUT 입력 Relay8 P5C_REF 입력 Relay9 BANDREF 입력 전원 : 24V +15V -15V +5V 전원 : 24V Relay10 BANDPOS 입력 Relay11 TEMP 입력 DAC DC 4~20mA

FAN Contrl Block diagram LED 4 MCU ARM Cortex M0 thermometer ANALOG 압력 센서 RTC UART-1 (DBG) ANALOG 압력 센서 UART-2 (통신용) I/O AC CONTROL BLOWER 전원 : 24V 전원 : +5V

통신 배선용 3-line (rx,tx,gnd) AC입력 blower DISPLAY SET Measurement SET blower SET AC출력 전원배선용 2-line POWER +24V 전원배선용 4-line AC입력 8-line(24v,GND.rx,tx,GND,NC,NC,NC) POWER +12V 통신 배선용 UTP (이더넷) RS485 AC입력 4~20mA ,기타