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MRC MRL3 15, Technical Reference Manual

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MRC MRL3 15 Technical Reference Manual Download Page 19

 

T

ECHNICAL 

R

EFERENCE 

M

ANUAL 

 

 

Distance Laser Sensor 

 

Page 19/43 

8  AO 

Analog output (0/4..20mA) 

9  DO E 

Digital output for error signalization (Open Drain) 

10  DO 2 

Digital output 2 (Open Drain) 

11  DO 1 

Digital output 1 (Open Drain) 

12  GND 

Ground line 

13  PWR 

Power DC  
+9V...+30V MRL3 
+24...+30V MRL3 (H) (Heating option) 

 
 

6  Physical dimensions 

All dimensions in mm 
 
 

Summary of Contents for MRL3 15

Page 1: ...Distance Laser Sensor MRL3 15 MRL3 30 MRL3H 15 MRL3H 30 Technical Reference Manual V3 0 Please check www metrologyresource com for the latest version...

Page 2: ...ponents 18 5 1 ID switch 18 5 2 Reset switch 18 5 3 Digital output 18 5 3 Digital input 18 5 5 Analog output 19 5 6 Connector 20 6 Physical dimensions 22 7 Factory settings 23 7 1 Operation 23 7 2 Com...

Page 3: ...1 Use of the instrument 41 10 2 Limits to use 41 10 3 Areas of responsibility 42 10 4 Hazards in use 42 10 5 Laser classification 44 10 6 Electromagnetic compatibility EMC 45 10 7 Producer Standards...

Page 4: ...0VDC Programmable analog output 0 4 20mA Two programmable digital outputs DO1 and DO2 Digital output for error signalization DOE D Sub connector and screw terminal joint for easy connection One progra...

Page 5: ...M16 x 1 5mm for connection cable insertion 4 Caver provides access to electrical components 5 N A 6 Reset Switch Resets the MRL3 H to default settings 7 Screw terminal RS422 RS232 analog digital outp...

Page 6: ...the bottom of plaster joints use a target plate see accessories or board 1 5 2 Transparent surfaces To avoid measuring errors do not measure towards transparent surfaces such as colorless liquids suc...

Page 7: ...aximum measurement accuracy Accuracy depends on signal scaling see 8 3 5 on page 26 Flexibility Access to full command set Limited Integration Requires protocol implementation Wiring of AO and DO sign...

Page 8: ...in controlled mode Example for module 0 Set to controlled mode by the stop command s0c trm 1 3 Set communication parameters If necessary change the settings for the serial interface Example for modul...

Page 9: ...Action Comment Command 1 Set current output range Defines if the current output range from 0 to 20mA respectively from 4 to 20mA Example for module 0 Set current output range from 4mA to 20mA s0vm 1 t...

Page 10: ...ost please reset the configuration to the factory settings 7 Factory settings on page 20 using the reset button 5 2 Reset switch on page 17 Please note that the ID switch must be reset manually 2 4 Di...

Page 11: ...3 H the following steps are necessary to activate the external trigger The example shows the configuration for triggering a single distance measurement No Action Comment Command No Action Comment Comm...

Page 12: ...ble free operation use a separate power supply for the MRL 3 H MRL 3 9 30V 0 5A DC MRL 3 H 24 30V DC 2 5A DC 3 2 2 Cable connection A ferrite must be mounted to the connecting cable Use a ferrite with...

Page 13: ...232 RS422 It is possible to connect multiple devices on a single RS422 line To ensure proper operation strict Master Slave communication must be used It is important that the Master has full control o...

Page 14: ...the total resistance in the analog path is smaller than 500 3 3 Alignment of the laser beam Alignment of the laser beam is often difficult when the target is far away as the laser spot is not visible...

Page 15: ...error relates to unfavorable conditions such as Highly reflecting surfaces e g reflector tapes Operation at the limits of the permitted temperature range adaptation to ambient temperature interrupted...

Page 16: ...ss 2 FDA 21CFR 1040 10 and 1040 11 Beam divergence 0 16 x 0 6 mrad Pulse duration 0 45x10 9 s Maximum radiant power 0 95 mW Laser Life Time 3 25 000h 25 C ESD IEC 61000 4 2 1995 EMC EN 61000 6 4 EN 61...

Page 17: ...1 and DO 2 and one digital output for error signalization DO E These outputs are open drain outputs as shown in figure 7 and can drive up to 200mA In the ON state the FET transistor is electro conduc...

Page 18: ...S232 send line 3 T RS422 send line negative 4 T RS422 send line positive 5 R RS422 receive line negative 6 R RS422 receive line positive 7 PWR DC Power 9V 30V for MRL3 24V 30V for MRL3 H Heating optio...

Page 19: ...log output 0 4 20mA 9 DO E Digital output for error signalization Open Drain 10 DO 2 Digital output 2 Open Drain 11 DO 1 Digital output 1 Open Drain 12 GND Ground line 13 PWR Power DC 9V 30V MRL3 24 3...

Page 20: ...7 Parity Even Stop bit 1 7 3 Analog outputs Min output 4mA Range min 0m Range max 10m Error output 0mA 7 4 Module ID ID Number 0 7 5 Digital output 1 DOUT1 ON 2m 5mm 2005mm OFF 2m 5mm 1995mm 7 6 Digi...

Page 21: ...n if applicable by the command 8 1 4 Module identification N All configuration commands that are used to set configuration values can also be used to read the currently set value by omitting the param...

Page 22: ...Ng trm Return Successful gNg trm Return Error gNg xxxxxxxx trm Parameter N Module number 0 9 xxxxxxxx Distance in mm zzz Error Code 8 2 3 Signal measurement sNm Signal measurement can be done continuo...

Page 23: ...Command Command sNp trm Return Successful gN trm Return Error gN Ezzz Parameter N Module number 0 9 zzz Error code 8 2 7 Single sensor Tracking sNh Never use this command if more than one module is co...

Page 24: ...sued Set Command Get Command Command sNf xxxxxxxx trm sNf trm Return Successful gNf trm gNf xxxxxxxx trm Return Error gN Ezzz trm gN Ezzz trm Parameter N Module ID xxxxxxxx Samplling time in 10 ms if...

Page 25: ...4 2400 7 E 9 38400 7 E 8 3 2 Set automatic mode sNA This command activates the automatic mode of the MRL3 H It triggers continuous measurement of the distance and sets the analog and digital outputs a...

Page 26: ...put value in error case sNve This command sets the analog output current level in mA in case of an error This level can be lower as the min level set in 8 3 3 Set Get analog output min level sNvm Set...

Page 27: ...stance the digital output is switched on open drain output is closed when the distance exceeds the ON level With a decreasing distance the digital output is switched off open drain output is open when...

Page 28: ...ash Memory Command Command s Ns trm Return Successful gNs trm Return Error gN Ezzz Parameter N Module number 0 9 zzz Error code 8 3 8 Set configuration parameters to factory default sNd This command r...

Page 29: ...the MRL3 H Command Command s Nsn trm Return Successful gNsn xxxxxxyy trm Return Error gN Ezzz Parameter N Module number 0 9 xxxxxx Serial number zzz Error code 8 3 11 Get device generation and type d...

Page 30: ...m sNDI1 trm Return Successful gNDI1 trm sNDI1 xxxxxxxx trm Return Error gN Ezzz trm gN Ezzz trm Parameter N Module number 0 9 xxxxxxxx 0 Digital input inactive DO1 active 1 activate the digital input...

Page 31: ...nce corrected with the user offset and user gain as set with the command 8 5 1 Set Get user distance offset sNuof Each new command cancels an active measurement This command takes the user distance of...

Page 32: ...uof Define the rate of measurements with the sampling time If the sampling time is set to zero the measurements are executed as fast as possible The last measurement can be read out from the module wi...

Page 33: ...outputs according to the measured distance values The rate of measurements is defined with the sampling time If the sampling time is set to zero the measurements are executed as fast as possible In d...

Page 34: ...e 236 E236 Digital output manual mode DOM cannot be activated when configured as digital input 252 E252 Temperature too high contact MRC if error occurs at room temperature 253 E253 Temperature too lo...

Page 35: ...ring target Please use the different sides for the distances as stated below Front color brown for measuring distances from 20 m to 200 m Back color white for measuring distances from 0 2 m to 30 m Pa...

Page 36: ...le for automatic mode MRL3 H to 2 wires for current output 5 wires for digital outputs and power supply 9 5 Connector cover IP65 If the MRL 3 is connected via the cable gland and the 15 pin D Sub conn...

Page 37: ...ls 4 Opening of the equipment except to open the cover for access to the screw terminal 5 Carrying out modification or conversion of the product 6 Operation after failure in operation 7 Use of accesso...

Page 38: ...e instructions in the Technical Reference Manual 2 To be familiar with local safety regulations relating to accident prevention 3 To inform MRC immediately if the equipment becomes unsafe 10 4 Hazards...

Page 39: ...ys prevent access to the equipment by unauthorized personnel CAUTION Be careful when pointing a telescope towards the sun because the telescope functions as a magnifying glass and can injure eyes and...

Page 40: ...ment where electromagnetic radiation and electrostatic discharges are present and without causing electromagnetic interference to other equipment WARNING Electromagnetic radiation can cause interferen...

Page 41: ...collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environm...

Page 42: ...C60825 1 2001 Emitted wavelength 620 690nm Beam divergence 0 16 x 0 6 mrad Pulse duration 0 45x10 9 s Max radiant power 0 95 mW 10 10 Maintenance The MRL3 H is almost maintenance free The only thing y...

Page 43: ...any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is up to date an...

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