High Reliability Of Fiber Optic Amplifier For Convenient Mounting

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1 Fiber Optic Amplifier Reliability Of Fiber Optic Amplifier For Convenient Mounting Features speed response: Max. 0.5ms Auto sensitivity setting (Button setting)/remote sensitivity setting External synchronization input, mutual interference protection, selfdiagnosis Reverse power polarity and shortcircuit (Overcurrent) protection circuit Timer function: Selectable None / 40ms Delay timer (fixed) (Standard type, remote sensitivity setting type only) Automatically selectable Light / Dark Precise detection of small target and easy to install in the complicated place Model Light source (modulated light) Power supply Current consumption Operation mode Control Protection circuit Standard type External synchronization input type Accessory Mounting bracket, Bolts/nuts Approval Weight Approx. 0g (approx. 65g) : The weight includes packaging. The weight in parentheses is for unit only. The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment. Remote sensitivity setting type BF4RP BF4GP BF4R BF4G BF4RE BF4GE BF4RR BF4GR Red Green Red Green Red Green Red Green 4VDC ±0% (Ripple PP: Max.0%) Max. 45mA Light /Dark switching NPN or PNP open collector voltage: Max. 30VDC current: Max. 00mA Residual voltage NPN: Max. V (load current: 00mA), Max. 0.4V (load current: 6mA) / PNP: Max..5V Reverse polarity protection circuit, shortcircuit (overcurrent) protection circuit Response frequency Max. 0.5ms (frequency ), Max. 0.7ms (frequency ) Sensitivity setting Sensitivity setting button (/) Indicator Operation indicator (OUT): Red LED, Stability indicator (STAB): Green LED (turns at stable light / level) Interference prevention function Selfdiagnosis Builtin differential frequency mode (frequency (normal mode): max. 0.5ms, frequency : max. 0.7ms) state under unstable sensing (when the target stays for 300ms in unstable level), state when control is shortcircuited voltage: Max. 30VDC current: Max. 50mA Residual voltage NPN: Max. V (load current: 50mA), Max. 0.4V (load current: 6mA) / PNP: Max..5V Input of stop transmission function Builtin External synchronization function Remote sensitivity setting function Builtin (Gate/Trigger) Builtin Timer function delay (40ms) delay (40ms) Insulation resistance Min. 0MΩ (at 500VDC megger) Noise resistance ±40V the square wave noise (pulse width: μs ) by the noise simulator Dielectric strength,000vac 50/60Hz for minute Vibration.5mm amplitude at frequency of 0 to 55Hz (for min.) in each X, Y, Z direction for hours Shock 500m/s² (approx. 50G) in each X, Y, Z direction for 3 times Environment Material Cable Please read Caution for your safety in operation manual before using. Specifications Ambient illumination Ambient temperature Ambient humidity Sunlight: Max. 000lx, Incandescent lamp: Max. 3000lx (received illumination) 0 to 50, storage: 0 to to 85% RH, storage:35 to 85% RH Case: Heatresistance ABS, Cover: Polycarbonate Ø4mm, 4wire, Length: m (AWG, Core diameter: 0.08mm, Number of cores: 60, Insulator out diameter: Ø.5mm) Ø4mm, 6wire, Length: m (AWG4, Core diameter: 0.08mm, Number of cores: 40, Insulator out diameter: Ømm) (A) Photoelectric (B) Fiber Optic (C) Door/Area (D) Proximity (E) Pressure (F) Rotary Encoders (G) Connectors/ Sockets (H) Temperature (I) SSRs / Power (J) Counters (K) Timers (L) Panel (M) Tacho / Speed / Pulse (N) Display Units (O) Sensor (P) Switching Mode Power Supplies (Q) Stepper Motors & Drivers & (R) Graphic/ Logic Panels (S) Field Network Devices (T) Software B3

2 Feature Data Throughbeam type Diffuse reflective type Measurement: BF4 ( ) FT400 Measurement: BF4 ( ) FD600 Parallel shifting characteristic Sensing area characteristic Measuring method Data Measuring method Data l Receiver L Sensing distance L (mm) l L Sensing distance L (mm) Emitter l l Left Center Right Sensing area (mm) l l Left Center Right Sensing area (mm) Control Output Diagram BF4R / BF4G BF4RP / BF4GP Fiber optic sensor circuit Connection Fiber optic sensor circuit Connection Main circuit (Brown)V (Black) Control Max. 00mA (White) Selfdiagnosis Max. 50mA 4VDC ±0% Main circuit (Brown)V Max. 00mA (Black)Control Max. 50mA (White) Selfdiagnosis 4VDC ±0% BF4RE / BF4GE BF4RR / BF4GR Fiber optic sensor circuit Connection Fiber optic sensor circuit Connection (Brown)V (Brown)V (Pink) External synchronization input (Pink) input of remote sensitivity setting Main circuit (Orange) (Orange) Emission 4VDC ±0% input of remote disable input sensitivity setting (Black) Control (White) Selfdiagnosis Max. 00mA Max. 50mA Main circuit (White) Self diagnosis Max. 00mA Max. 50mA 4VDC ±0% Connect Diode at external terminal for inductive load. B3

3 Fiber Optic Amplifier Connections BF4R / BF4G BF4RP / BF4GP (A) Photoelectric (B) Fiber Optic (C) Door/Area (Brown) V (White) Selfdiagnosis (Blue) 0V 4VDC±0% (Brown) V (White) Selfdiagnosis (Blue) 0V 4VDC±0% (D) Proximity (E) Pressure BF4RE / BF4GE BF4RR / BF4GR (F) Rotary Encoders (G) Connectors/ Sockets (H) Temperature (Brown) V (Brown) V (Pink) External synchronization input (Orange) Emission disable input (White) Selfdiagnosis 4VDC±0% (Pink) input of remote sensitivity setting (Orange) input of remote sensitivity setting (White) Selfdiagnosis 4VDC±0% (I) SSRs / Power (J) Counters (Blue) 0V Dimensions (unit: mm) (K) Timers (L) Panel 6 (M) Tacho / Speed / Pulse Ø (N) Display Units Ø4, m (O) Sensor Connect the bracket (P) Switching Mode Power Supplies (Q) Stepper Motors & Drivers & Ø (R) Graphic/ Logic Panels (S) Field Network Devices mm DIN rail useable (T) Software Bracket R.6 6 B33

4 Installations Mounting amplifier unit Hook the front part of the amplifier on DIN rail. Press the rear part of the amplifier on DIN rail. Push the back of amplifier toward and lift the hole for fiber toward up then simply take it out without tools. [Mounting] [Removing] Installation of fiber optic cable Lift up the protective cover to the direction to release the lock setting. Insert the cable to the direction and adhere between the cable and the inside of the amplifier unit. (insert depth: approx. 0mm) Place up the lock lever to 3 direction to lock the lock setting and close the protective cover. 3 Connection of fiber optic cable & amplifier In case of using L bracket L bracket In case of using screw Tightening torque: Max. kgf. cm Fixing nut Notice: If setting bolt is tightened with over specified tightening torque, hood of fiber optic cable may be damaged. Unit Description Standard type (BF4R/BF4RP/BF4G/BF4GP) Remote sensitivity setting type (BF4 R) External synchronization input type (BF4 E) Control indicator (red): Turns or by control status.. Stability indicator (green): Turns at stable light / level. 3. Mode setting switch SET: Set the switch to [SET] to use set the function. LOCK: Set the switch to [LOCK] not to set the function. 4. Timer setting switch (standard type, remote sensitivity setting type) N: Set the switch to [N] not to use timer function. OFD: Set the switch to [OFD] to use Delay timer function. External synchronization setting switch (external synchronization input type) GATE: Set the switch to [GATE] to use external synchronization as gate synchronization. TRIG: Set the switch to [TRIG] to use external synchronization as trigger synchronization. 5. Sensitivity setting button: Used for sensitivity setting 6. Lock lever: Used for connecting fiber optic cable. B34

5 Fiber Optic Amplifier Mode Setting Change the mode setting switch to [SET] SET LOCK (A) Photoelectric Sensitivity setting Set/Relase the interference prevention function (B) Fiber Optic Light Dark Press [][] at the same time for sec. (C) Door/Area Press the [] button at light Press the [] button at light Press the [] button at light Press the [] button at light The stability indicator [STAB] flashes once when the difference of sensitivity between and is enough. (flashes 5 times when the difference is not enough) The stability indicator [STAB] flashes continuously Set the interference prevention function Press the [] button (Frequency, response time : Max. 0.5ms) Frequency Frequency Press the [] button (Frequency, response time : Max. 0.7ms) The stability indicator [STAB] turns (D) Proximity (E) Pressure (F) Rotary Encoders (G) Connectors/ Sockets (H) Temperature When there is enough sensitivity difference between state and state, the stability indicator [STAB] flashes one time only at stable sensing level. 6 When there is not enough sensitivity difference between state and state, the stability indicator [STAB] flashes five times at unstable sensing level. The sensitivity can be set at unstable sensing area. Change the mode selection switch to [LOCK] to fix the set sensitivity. Even though the sensitivity 7 setting button is touched, setting sensitivity shall not be changed. When the power is, the set sensitivity is saved. Set the mode setting switch to [LOCK]. (Completes setting) Sensitivity Adjustment Before sensitivity setting, install the fiber optic cable. After completing the setting, do not move or bend the fiber optic cable. If not, it may cause incorrect detection. Adjustment by the sensitivity setting button (Common) Light Dark The control turns on at Light status and turns off The control turns off at Light status and turns on at Light status. at Light status. Order Setting method Mount the fiber optic cable within sensing distance Change the mode setting switch to [SET]. Diffuse reflective: Press the [] button with a sensing target. Throughbeam: Press the [] button without a sensing target. <Diffuse reflective > <Through beam> Mark ( Background ( Light Light The stability indicator [STAB] (green) flashes at state. (check the target position) Diffuse reflective: Press the [] button without a sensing target. Throughbeam: Press the [] button with a sensing target. <Diffuse reflective > <Through beam> Mark( Background ( Light Light SET LOCK <How to set sensitivity> The setting order are same as Light mode except 3 & 5. The 3 & 5 order is opposite from Light. 3 state Diffuse reflective: Press the [] button without a sensing target. Throughbeam: Press the [] button with a sensing target. Light <Diffuse reflective > Mark ( Background ( 5 state Diffuse reflective: Press the [] button with a sensing target. Throughbeam: Press the [] button without a sensing target. <Diffuse reflective > Mark ( Background ( Light <Through beam> Light <Through beam> Light (I) SSRs / Power (J) Counters (K) Timers (L) Panel (M) Tacho / Speed / Pulse (N) Display Units (O) Sensor (P) Switching Mode Power Supplies (Q) Stepper Motors & Drivers & (R) Graphic/ Logic Panels (S) Field Network Devices (T) Software B35

6 Setting as max. sensitivity (Common) Set the mode setting switch to [SET]. If there is no sensing target, Light : Press the [ ] button Dark : Press the [ ] button 3 Set the mode selection switch to [LOCK] mode. External sensitivity setting Light (From above 3) External sensitivity setting input ( ) External sensitivity setting input ( ) Dark Mode (From above 3) External sensitivity setting input ( ) External sensitivity setting input ( ) < Application > To extend sensing distance (diffuse reflective type): If fiber optic sensor is used in place where there are targets with high reflectivity and low reflectivity, it is able to get stable detection by adjusting max. sensitivity. Used at bad environment (throughbeam type): If fiber optic sensor is used in place where there is lots of dust or moisture, it might cause malfunction. It can perform the stable detection by using max. sensitivity. Remote sensitivity adjustment[bf4 R] Remote sensitivity setting type, BF4 R can adjust the sensitivity with input signal lines without the mode setting switch. (Brown) V (White) Selfdiagnosis (Pink) input of remote sensitivity setting (Orange) input of remote sensitivity setting S/W S/W Light input of remote sensitivity setting (SW): Turns the SW and then turn instead of 3 state of adjustment by the sensitivity setting button. input of remote sensitivity setting (SW): Turns on the SW and then turn instead of 5 state of adjustment by the sensitivity setting button. Dark input of remote sensitivity setting (SW): Turns on the SW and then turn instead of 3 state of adjustment by the sensitivity setting button. input of remote sensitivity setting (SW): Turns on the SW and then turn instead of 5 state of adjustment by the sensitivity setting button. <External sensitivity setting input signal condition> State Signal condition 4.530VDC or Open 0VDC Input impedance:0kω Prohibition of inputting External sensitivity setting[bf4 R] Even though mode switch is at Lock position, it is able to input external sensitivity setting when Switch and Switch are. Therefore please install Switch 3 in order to prevent from malfunction as below. SW3 : Disable to set external sensitivity SW3 : Enable to set external sensitivity Selfdiagnosis (answer back) function[bf4 R] When or input of remote sensitivity setting is applied, after 300ms, selfdiagnosis turns on for 40ms and then the sensor keeps normal sensing state. (Note: Time chart) Selfdiagnosis does not turn on if there is no difference of sensitivity between input and input and stable sensing is not executed, but stable sensing operates after 340ms. <Time Chart: Light mode > Power supply Remote sensitivity setting input Remote sensitivity setting input Selfdiagnosis (Answer back function) Sensing () () () () (Brown) V (White) Selfdiagnosis (Pink) input of remote sensitivity setting (Orange) input of remote sensitivity setting S/W S/W Switch for prohibiting sensitivity setting T T T5 T T3 T3 T4 S/W3 T4 Detectable During period T3 (approx. 300ms), do not change the received light value by moving the object, etc. T,000ms : after power turns, it can be set after sec. T 5ms : / input time of remote sensitivity setting must be min. 5ms T3 300ms : when / input of remote sensitivity setting is applied, selfdiagnosis turns after 300ms) T4 40ms : time of selfdiagnosis T5 500ms : when input of remote sensitivity setting is applied, apply input of remote sensitivity setting after 500ms B36

7 Fiber Optic Amplifier Timer ( Delay) Function [BF4R/BF4G/BF4RP/BF4GP/BF4 R] Standard type and Remote sensitivity setting type both contain the builtin Delay timer, approx. 40ms. The timer works when the timer selection switch is set to [OFD]. The turns off after remaining for additional 40ms at position of the sensing. It is useful when the response time of the connected device is slow or when the sensing signal from a tiny object is too short. <Time Chart> T 40ms Sensing Sensing state Non Output Sensing operation Normal Timer Light Dark Light Dark External Synchronization Input Function [BF4R E] By using external synchronization function, the time for making sensing can be specified by external synchronization. (trigger synchronization and gate synchronization) Sensing signal External synchronization input Control External synchronization selection switch Trigger synchronization T Approx. 40ms Control is fixed as 40ms. T T T T : TRIG Gate synchronization Timer selection switch : Right before transfer detection signal of the sensor as control. T 0.5ms (using interference prevention function: T 0.7ms) <Input signal condition for External synchronization> State Signal condition 4.530VDC or Open 0VDC T : GATE Stop Transmission Function [BF4 E]Operation Test This function is available under light state only and it is for checking normal state of the sensor. [If input of stop transmission is at or Open state, light is transmitted.] [If input of stop transmission is at, light is transmitted.] Input of stop transmission Sensing (If it is in state when light is not received) () () T T T : Transmission area, : Stop transmission area : If transmission is stopped, control must turn on, but if control does not turn on, it seems that sensor has some problems. T 0.5ms (when using interference prevention function T 0.7ms) <Input signal condition for Stop transmission> State Signal condition 4.530VDC or Open 0VDC (Orange)Input of stop transmission Normal or Open (Orange)Input of stop transmission Abnormal (A) Photoelectric (B) Fiber Optic (C) Door/Area (D) Proximity (E) Pressure (F) Rotary Encoders (G) Connectors/ Sockets (H) Temperature (I) SSRs / Power (J) Counters (K) Timers (L) Panel (M) Tacho / Speed / Pulse (N) Display Units (O) Sensor (P) Switching Mode Power Supplies (Q) Stepper Motors & Drivers & (R) Graphic/ Logic Panels (S) Field Network Devices (T) Software B37

8 SelfDiagnosis Function (Common) When fiber hood is contaminated by dust, transmitted light is lowered by element ability loss or received light is lowered by missing of optical axis, the selfdiagnosis will turn on. In case of Light Stable light level Unstable light level Unstable light level Stable light level Control indicator (red LED) Stability indicator (green LED) Selfdiagnosis H Light received L 300ms 300ms Operation level When detecting state remains over 300ms at unstable light / level, the self diagnosis turns. In case of stable light / level, the self diagnosis turns. ( position) Interference Prevention Function (Common) BF4 series has interference prevention function, two fiber optic cables can be mounted very closely by setting different transmission frequencies. Interference prevention function (operation of differential frequency mode) First sensor Frequency (Response time: max. 0.5ms) Set the mode setting switch to [SET]. Press the [] [] buttons for sec. at the same time. 3 The Stability indicator [STAB] flashes continuously. 4 Press the [] button. 5 The Stability indicator [STAB] turns off. Flashing 6 Set the mode setting switch to [LOCK]. Second sensor Frequency (Response time: max. 0.7ms) Set the mode setting switch to [SET]. Press the [] [] buttons for sec. at the same time. 3 The Stability indicator [STAB] flashes continuously. 4 Press the [] button. 5 The Stability indicator [STAB] turns off. Flashing 6 Set the mode setting switch to [LOCK]. B38