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Summary of Contents for ASTECH CAPI CLDM41A
- Page 1 CLDM41A and CLDM42A Manual WWW.CAPICONTROLE.COM.BR Manual CLDM41A and CLDM42A Version 3.4 ASTECH GmbH Page 1...
- Page 2 Revisions history Manual Version Date Changes Fig. 10 updated, MTBF 08.01.2016 E19 added 16.03.2015 New design ASTECH GmbH, Schonenfahrerstr. 5, D-18057 Rostock Internet www.astech.de E-Mail info@astech.de Telefon +49 (0)381 / 44073-0 Telefax +49 (0)381 / 44073-20 ASTECH GmbH Page 2...
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Page 3: Table Of Contents
DM – distance measurement ............27 TP – internal temperature [°C] ............27 SA – display/set average value [1..20] ..........27 8.10 SD – display/set display format [d/h/s}]..........28 8.11 ST – display/set measure time [0..25] ..........29 ASTECH GmbH Page 3... - Page 4 Output Format on the serial interface ..........41 Digital Switching Output (Alarm) ............ 42 Analog Output ................. 44 Trigger Input ................... 46 List of Commands ..................47 Error Codes ....................49 PC Interface Cable (Option) ..............50 ASTECH GmbH Page 4...
- Page 5 Figure 21 :Output current diagram for RE > RB and RE < RB ......45 Figure 22 : Wiring diagram of trigger input ............46 Figure 23 : RS232 cable with power supply for CLDM41A and CLDM42A ..50 ASTECH GmbH Page 5...
- Page 6 Table 8 : List of commands ................47 Table 9 : Error Codes ..................49 Table 10 : Pin assignment SUB-D 9 F ..............50 Table 11 : Pin assignment CLDM41A and CLDM42A ..........50 Table 12 : Part Numbers ................... 52 ASTECH GmbH Page 6...
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Page 7: General
Provides high accuracy and great reach under extreme outdoor temperatures. Works in a wide range of operating voltages from 10 V= to 30 V= from an on- board vehicle supply point, an industrial direct voltage supply net or a DC power pack. ASTECH GmbH Page 7... -
Page 8: Safety Instructions
Compliance with all specified operating conditions is necessary. inactive internal heating for devices with internal heating (CLDM41-42A /h) e.g. 3M, self-adhesive foil white non glossy or foil 3290 for longer distances Trigger function is not available for devices with internal heating (CLDM41-42A /h) ASTECH GmbH Page 8... -
Page 9: Intended & Conforming Use
Measurement of strongly reflecting surfaces may deliver faulty results. Measurement performed through transparent optical media, for example glass, optical filters, Plexiglas, etc. may equally produce incorrect results. ASTECH GmbH Page 9... -
Page 10: Laser Classification
Use only 10 V to 30 V DC (direct voltage) for CLDM41A and CLDM42A operation. Use only the specially designated connector terminal for voltage supply. Specified signal levels must not be exceeded, in order to guarantee correct data communication. ASTECH GmbH Page 10... -
Page 11: Important Operating Advice
In accordance with IP65 internal protection standards, the CLDM41A and the CLDM42A is designed to be splash proof and dustproof. Read these safety and operating instructions with due care and follow them in practical use. ASTECH GmbH Page 11... -
Page 12: Technical Data
+15 up to +30 °C dependent on target reflectance, stray light influences and atmospheric conditions Please use only 24V DC For devices with heating (CLDM41A-h and CLDM42A-h) The heater is connected directly to the power supply. ASTECH GmbH Page 12... - Page 13 (CLDM41A-h and CLDM42A-h) at 10 m distance the beam diameter is 6 mm, at a distance of 50 m it is 3 cm and at a distance of m it is 6 cm ASTECH GmbH Page 13...
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Page 14: Mechanical Mounting Conditions
Optionally different protection windows and optical filters are available. Please note that measurement cannot be guaranteed to function correctly if the equalizer tube is removed by unqualified action! ASTECH GmbH Page 14... -
Page 15: Figure 4 : Offset Against Zero-Edge
137 mm before the back cover outside face respectively. This zero-point has been introduced for constructional design reasons. It can be compensated with the help of parameter “OF“ (see section 8.26 OF – display/set distance offset) ASTECH GmbH Page 15... -
Page 16: Electrical Connection
Caution: The cable end is exposed! The user is responsible to take precautions that will prevent any kind of shorts! The cable shield has to be connecting to earth with low resistance. Figure 6 : Interface cable with connector ASTECH GmbH www.capicontrole.com.br Page 16... -
Page 17: Figure 7 : Interface Cable Color Codes
TRIG is not connected in devices with internal heating (CLDM41A-h and CLDM42A-h) Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) The color of pin G, VCC can also be pink. ASTECH GmbH www.capicontrole.com.br Page 17... -
Page 18: Shield And Grounding
Use screened cable, e.g. “10XAWG224CULSW“, remember to extend also the cable screen (1). Connect screen to power supply reference potential GND on cable end (2). integration with vehicles also this isolated mounting. Figure 8 : Isolated Mounting ASTECH GmbH www.capicontrole.com.br Page 18... -
Page 19: Termination Of Rs232
Use alternatively a RS422 connection (shielded twisted pair cable, maximum 300 m, termination resistor 100 Ω). Limiting Values for Voltages Limiting Values for Voltages Input voltages: Table 3 : Input voltages Terminal point Voltage Comment 30 V Pole-reversal-protected ±13.2 V Short-circuit-proof ±25 V Short-circuit-proof ASTECH GmbH www.capicontrole.com.br Page 19... - Page 20 Caution: Do not connect the current output IOUT (red) to the power supply (10 ... 30 V). This will destroy the interface board! Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH www.capicontrole.com.br Page 20...
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Page 21: Start Up
As part of preparative actions, the CLDM41A and CLDM42A must be properly installed in the designated working site, oriented onto the target and kept in a stable position. The target to be measured should preferentially have a homogeneous, bright surface. ASTECH GmbH www.capicontrole.com.br Page 21... - Page 22 PC. Operating voltage supply must be connected to the corresponding ends of the interface cable. A pole-reversal protection is integrated to prevent the destruction of electronic components. depending on ambient light and target conditions ASTECH GmbH www.capicontrole.com.br Page 22...
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Page 23: Commands And Parameter
BR[Enter] / BRx[Enter]..display/set baud rate [2400..38400] AS[Enter] / ASd[Enter]..display/set autostart command [DT/DS/ DW/DX/DF/DM/TP/LO/ID] OF[Enter] / OFx.x[Enter]..display/set distance offset SO[Enter].....set current distance to offset (offset = - distance) LO[Enter].....laser on LF[Enter].....laser off PA[Enter].....display settings PR[Enter].....reset settings ASTECH GmbH www.capicontrole.com.br Page 23... - Page 24 All valid settings will be preserved on turning the CLDM41A and CLDM42A off! They can only be replaced with new value entries or changed back to their standard values by running an initialization routine. ASTECH GmbH www.capicontrole.com.br Page 24...
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Page 25: Dt - Distance Tracking
The time to measure may also be limited by setting the ST parameter to a desired value. ESC stops the measurement. ASTECH GmbH www.capicontrole.com.br Page 25... -
Page 26: Ds - Distance Tracking (<7 M)
There must be no sudden jumps in distance greater than 16 cm within the measuring field! Caution: To prevent transmission problems, please use 9600 baud as the minimal baud rate for DX Mode! ASTECH GmbH www.capicontrole.com.br Page 26... -
Page 27: Df - Distance Measurement With External Trigger
SA allows you to calculate a floating average value from 1 to 20 measured values. Calculation is based on this formula: Average value: Standard setting is 1 (no average). Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH www.capicontrole.com.br Page 27... -
Page 28: Sd - Display/Set Display Format [D/H/S}]
SD affects all commands that output a distance value. An output value is calculated from a given measured distance value (in mm), multiplied by the scale factor SF. ASTECH GmbH www.capicontrole.com.br Page 28... -
Page 29: St - Display/Set Measure Time [0
CLDM41A and CLDM42A will require to determine the distance with specified accuracy. For example, if error message E15 is output because of poor reflectance and insufficient time to measure, this latter setting must be increased. ASTECH GmbH Page 29... - Page 30 The scale factor influence the output of measurement results, Offset (OF), Alarm Centre (AC), Alarm Hysteresis (AH), Range Begin (RB) and Range End (RE)! Table 6: Examples for Scale factor Scale factor Resolution Output Output Unit ASTECH GmbH Page 30...
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Page 31: Ac - Display Set Alarm Center
AC sets the beginning of the distance range, for which the switching output will be turned active. The length of this active range can be set using the AW parameter. AC must be selected in keeping with the currently set SF scale factor (see 9.4 Digital Switching Output (Alarm)). ASTECH GmbH Page 31... -
Page 32: Ah - Display/Set Alarm Hysterese
8.18 HF – display/set Temperature for heating off HF displays/sets the temperature value at which the internal heating is switched off. The values can be varied between -40°C and 70°C. Standard setting is 12°C. Only for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH Page 32... -
Page 33: Rb - Display/Set Distance Of I = 4 Ma
It consists of three parameters which are separated by space (20h). designates the number of preceding measured values that will be evaluated in the case of non-conforming measurement. A maximum of ten preceding measured values can be evaluated. ASTECH GmbH Page 33... -
Page 34: Tdx Y - Display/Set Trigger Delay Trigger Level
Delay time between trigger signal and start of measurement, delay can be set from 0 to 9999 ms. 0 for HIGH → LOW-slope 1 for LOW → HIGH-slope Example: TD1000_0[Enter] Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH Page 34... -
Page 35: Tmx Y - Display/Set Trigger Mode Trigger Level
Examples: ASDT TM1 1 Trigger signal = H → DT is performed Trigger signal = L → DT is stopped Commands and Parameter Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH Page 35... -
Page 36: Br - Display/Set Baud Rate [2400
Possible entries are those delivering a measured value on the output side, an ID command or the command for turning the Laser on (LO). For example, if ASDT has been parameterized, the CLDM41A and CLDM42A will begin with distance tracking on turning on power. ASTECH GmbH Page 36... -
Page 37: Of - Display/Set Distance Offset
Commands and Parameter 8.31 PR – reset settings PR resets all parameters (except baud rate). After this a new configuration of the CLDM41A and CLDM42A is necessary average value[SA]....1 display format[SD]....d measure time[ST]....0 scale factor[SF]....1 error ASTECH GmbH Page 37... -
Page 38: Figure 10 : Program Ldmtool
Iout=4mA [RB]..1000 distance of Iout=20mA [RE]..2000 remove measurement [RM]...0 0 0 trigger delay, trigger level[TD]..0 0 trigger mode, trigger level[TM]...0 1 baud rate[BR].....9600 autostart command[AS].....ID distance offset[OF]....0 Use instead of PR the "Set Standard" command from Windows program LDMTool. ASTECH GmbH Page 38... -
Page 39: Interface Connection
Figure 16 : Diagram of RS232 wiring at 25-pole D-Sub cable jack The commands of the serial interface are described in chapter 8 starting page 24. The data output format is determined by parameter SD (display format), see page 29. ASTECH GmbH www.capicontrole.com.br Page 39... -
Page 40: Serial Interface Rs422
SF. Negative distance values are output in two’s complement notation. The value for the signal quality varies between 0 and 1024. 0 means a bad signal quality while 1024 indicates a very good signal quality. ASTECH GmbH www.capicontrole.com.br Page 40... -
Page 41: Digital Switching Output (Alarm)
Alarm Center (AC), Alarm Hysteresis (AH) and Alarm Width. The range which will be subject to monitoring begins at AC and ends at AC+AW. Switching transitions can be set via parameter ASTECH GmbH www.capicontrole.com.br Page 41... - Page 42 Figure 19 : Digital switching output behavior with positive and negative hysteresis Example: A moving object is assumed to be monitored within a window of 10 m to 11 m with a hysteresis of 0.2 m. AC10 AH0.2 ASTECH GmbH www.capicontrole.com.br Page 42...
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Page 43: Analog Output
“Range Begin“ (RB) and “Range End“ (RE), where RE may be greater or smaller than RB (see 8.17 and 8.20) The output current value is calculated according to this equation: ASTECH GmbH www.capicontrole.com.br Page 43... -
Page 44: Trigger Input
The trigger input is intended for triggering a distance measurement with an external signal that is applied as a voltage pulse between 3 V and 24 V. This Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH www.capicontrole.com.br Page 44... -
Page 45: Figure 22 : Wiring Diagram Of Trigger Input
5 ms in addition with the programmed trigger delay time. Having done this, the CLDM41A and CLDM42A has to be switched to trigger mode (see 8.6, DF – distance measurement with external trigger). ASTECH GmbH www.capicontrole.com.br Page 45... -
Page 46: List Of Commands
Queries / sets trigger mode and level Queries / sets baud rate Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) Only for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH CAPI Controle e Automação Page 46... - Page 47 Queries / sets offset Sets current distance as offset Turns Laser on (do not use, please use DT) Turns Laser off Displays all parameter values Resets all parameters to standard values (don’t use) ASTECH GmbH CAPI Controle e Automação Page 47...
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Page 48: Error Codes
Necessary to repair Invalid command Correct input Wrong parameter, wrong Check data transmission command SIO overflow Check data transmission SIO framing error Check data transmission e.g. 3M, self adhesive foil matte white ASTECH GmbH CAPI Controle e Automação Page 48... -
Page 49: Pc Interface Cable (Option)
CLDM4 RS232 1A LDM-42A Shield Cable shield green TxD / RX+ yellow RxD / RX- brown TRIG IOUT black Trigger function is not available for devices with internal heating (CLDM41A-h and CLDM42A-h) ASTECH GmbH CAPI Controle e Automação Page 49... -
Page 50: Eg Declaration Of Conformity
EG Declaration of Conformity In accordance with the Directive of Electromagnetic Compatibility 2004/108/EG The company ASTECH Angewandte Sensortechnik GmbH in Schonenfahrerstr. 5, 18057 Rostock / Germany herewith declare, represented by the signatory, that the following designated product Laser Distance Measurement Sensor... -
Page 51: Part Numbers
Interface cable 30 meters lenght Fixing device BR type with bolts RS232-Kabel D-SUB9F/luster clamp, 2m for LDM-Series ASTECH USB Stick (Documentation and Software) Printed Manual CLDM41A and CLDM42A, A5, DE Printed Manual CLDM41A and CLDM42A, A5, EN License number for PC-Software LDMTOOL for LDM3x und...
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