Acuity AccuRange AR500 Bedienungsanleitung

AccuRange AR500™ Laser Sensor

User’s Manual

LLL00xxxx –Rev. 1.0

For use with AR500™ Laser Position Sensor

August 10, 2012

Acuity

A product line of Schmitt Industries, Inc.

2765 NW Nicolai St.

Portland, OR 97210

www.acuitylaser.com

Limited Use License Agreement

CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE OPENING THE

PACKAGE CONTAINING THE PRODUCT AND THE COMPUTER SOFTWARE LICENSED

HEREUNDER. CONNECTING POWER TO THE MICROPROCESSOR CONTROL UNIT

INDICATES YOUR ACCEPTANCE OF THESE TERMS AND CONDITIONS. IF YOU DO NOT

AGREE WITH THE TERMS AND CONDITIONS, PROMPTLY RETURN THE UNIT WITH

POWER SEAL INTACT TO THE DEALER FROM WHOM YOU PURCHASED THE PRODUCT

WITHIN FIFTEEN DAYS FROM DATE OF PURCHASE AND YOUR PURCHASE PRICE WILL

BE REFUNDED BY THE DEALER. IF THE DEALER FAILS TO REFUND YOUR PURCHASE

PRICE, CONTACT SCHMITT INDUSTRIES, INC. IMMEDIATELY AT THE ADDRESS SET

OUT BELOW CONCERNING RETURN ARRANGEMENTS.

Schmitt Industries, Inc. provides the hardware and computer software program contained in the

microprocessor control unit. Schmitt Industries, Inc. has a valuable proprietary interest in such

software and related documentation ("Software), and licenses the use of the Software to you

pursuant to the following terms and conditions. You assume responsibility for the selection of

the product suited to achieve your intended results, and for the installation, use and results

obtained.

License Terms And Conditions

a. You are granted a non-exclusive, perpetual license to use the Software solely on and in

conjunction with the product. You agree that the Software title remains with Schmitt

Industries, Inc. at all times.

b. You and your employees and agents agree to protect the confidentiality of the Software.

You may not distribute, disclose, or otherwise make the Software available to any third

party, except for a transferee who agrees to be bound by these license terms and

conditions. In the event of termination or expiration of this license for any reason

whatsoever, the obligation of confidentiality shall survive.

c. You may not disassemble, decode, translate, copy, reproduce, or modify the Software,

except only that a copy may be made for archival or back-up purposes as necessary for

use with the product.

d. You agree to maintain all proprietary notices and marks on the Software.

e. You may transfer this license if also transferring the product, provided the transferee agrees

to comply with all terms and conditions of this license. Upon such transfer, your license will

terminate and you agree to destroy all copies of the Software in your possession.

AR500 User’s Manual

LLL00xxxx –Rev 1.0 i

Procedures for Obtaining Warranty Service

1. Contact your Acuity distributor or call Schmitt Industries, Inc. to

obtain a return merchandise authorization (RMA) number within the

applicable warranty period. Schmitt Industries will not accept any

returned product without an RMA number.

2. Ship the product to Schmitt Industries, postage prepaid, together

with your bill of sale or other proof of purchase. your name, address,

description of the problem(s). Print the RMA number you have

obtained on the outside of the package.

This device has been tested for electromagnetic emissions and

immunity and has been found to be in compliance with the

following directives for class A equipment:

EN 62500-6-2:2002

EN 55011:2000

This device complies with part 15 of the FCC Rules. Operation is

subject to the following two conditions:

(1) This device may not cause harmful interference, and (2)

this device must accept any interference received, including

interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the

limits for a Class A digital device, pursuant to part 15 of the FCC rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio

communications. Operation of this device in a residential area is likely

to cause harmful interference in which case the user will be required to

correct the interference at his or her own expense.

AR500 User’s Manual

LLL00xxxx –Rev 1.0 ii

AR500 User’s Manual

LLL00xxxx –Rev 1.0 iii

User’s Manual for the

AR500™ Series Laser Sensor

Rev. 1.0

Table of Contents

1. Introduction ........................................................................................................................ 1

1.1 General Overview....................................................................................................... 1

1.2 Definition of Terms ..................................................................................................... 2

1.3 Quick Start Instructions............................................................................................... 2

1.3.1 Mounting................................................................................................................. 2

1.3.2 Serial Data Wires.................................................................................................... 3

1.3.2.1 RS232 serial....................................................................3

1.3.2.2 RS485 serial....................................................................3

1.3.3 Analog Output Signals............................................................................................ 3

2. General Description............................................................................................................ 4

2.1 Principles of Operation ............................................................................................... 4

2.2 Mechanical Dimensions.............................................................................................. 4

2.3 Installation.................................................................................................................. 5

2.4 Laser Safety............................................................................................................... 5

2.5 Sensor Maintenance................................................................................................... 6

2.6 Sensor Service........................................................................................................... 6

2.7 Sensor Specifications................................................................................................. 6

3. Installation and Checkout................................................................................................... 7

3.1 Mounting..................................................................................................................... 7

3.2 Cabling for sensor unit................................................................................................ 7

3.2.1 Standalone Cabling ................................................................................................ 7

3.2.2 Serial Connection to a Host Computer.................................................................... 8

3.3 Power On ................................................................................................................... 8

3.3.1 Serial Communications Check................................................................................ 8

3.3.2 Sensor Output Check.............................................................................................. 8

4. Signal and Power Interface ................................................................................................ 9

AR500 User’s Manual

LLL00xxxx –Rev 1.0 iv

4.1 Sensor Cable, Wire Colors and Functions.................................................................. 9

4.2 Power Supply (Red, Brown)........................................................................................ 9

4.3 RS232 / RS485 Serial Comm. (Green, Yellow)........................................................... 9

4.4 Analog Output (Blue, Grey)........................................................................................10

4.4.1 Current Loop..........................................................................................................11

4.4.2 Voltage Output.......................................................................................................11

4.5 Logic Outputs (Pink, Grey).........................................................................................12

5. Serial Interface Operation..................................................................................................13

5.1 Communications Protocol and Syntax .......................................................................13

5.1.1 Request.................................................................................................................13

5.1.2 Message................................................................................................................13

5.1.3 Answer ..................................................................................................................14

5.1.4 Data Stream ..........................................................................................................15

6. Analog Output Operation...................................................................................................16

6.1 Analog Output ON (01h)............................................................................................16

6.2 Analog Output Mode (02h bit R)................................................................................16

6.3 Analog Output Working Range (0Ch, 0Dh, 0Eh, 0Fh)................................................16

7. Logic Interface(s) Operation (02h bits M1 and M0)............................................................18

8. Performance Optimization.................................................................................................19

8.1 Baud Rate (04h)........................................................................................................19

8.2 Laser ON/OFF (00h)..................................................................................................19

8.3 Network Address (03h)..............................................................................................19

8.4 Zero Point (17h, 18h).................................................................................................19

8.5 Sampling Mode (02h bit S) ........................................................................................20

8.6 Sampling Period (08h, 09h).......................................................................................20

8.6.1 Output Rate...........................................................................................................21

8.7 Integration Time (0Ah, 0Bh).......................................................................................21

8.8 Results Lock (10h).....................................................................................................21

8.9 Results Averaging Mode (02h bit M)..........................................................................22

8.9.1 Averaging Configuration (06h)...............................................................................22

9. Demo and Configuration Software.....................................................................................23

9.1 Program Setup ..........................................................................................................23

9.2 Connecting to the sensor (RS232/RS485).................................................................23

9.3 Sensor Operation ......................................................................................................24

9.4 Display and Archiving of Data....................................................................................25

AR500 User’s Manual

LLL00xxxx –Rev 1.0 v

9.5 Setting and Saving Sensor Parameters.....................................................................26

9.5.1 Setting Parameters................................................................................................26

9.5.2 Saving Parameters................................................................................................27

9.5.3 Saving and Writing a Group of Parameters............................................................27

9.6 Factory Reset............................................................................................................27

10. Software Development Kit (SDK) Descriptions..............................................................28

10.1 Connection to COM-port (RF60x_OpenPort).............................................................28

10.2 Disconnect from COM-port (RF60x_ClosePort).........................................................28

10.3 Device identification (RF60x_HelloCmd)....................................................................29

10.4 Reading of parameters (RF60x_ReadParameter)......................................................30

10.5 Saving current parameters in FLASH-memory (RF60x_FlushToFlash) .....................31

10.6 Restore default parameters from FLASH-memory (RF60x_RestoreFromFlash)........31

10.7 Latching of the current result (RF60x_LockResult)....................................................31

10.8 Get Measurement Result (RF60x_Measure) .............................................................32

10.9 Start Measurement Stream (RF60X_StartStream).....................................................32

10.10 Stop Measurement stream (RF60x_StopStream)......................................................33

10.11 Get Measurement Results from Stream (RF60X_GetStreamMeasure)......................33

10.12 Transmission of user data (RF60x_CustomCmd)......................................................34

10.13 Functions for Operation of sensors connected to FTDI-based USB...........................34

10.14 Functions for operation of sensors with C Ethernet interface.....................................34

10.14.1 Port open for receiving data through Ethernet....................................................35

10.14.2 Close port for receiving data through Ethernet...................................................35

10.14.3 Getting 168 measurement results from the stream.............................................35

11. Serial Command Quick Reference ................................................................................38

12. Examples of communication sessions...........................................................................41

12.1 Request "Device identification"..................................................................................41

12.2 Request: "Reading of parameter". .............................................................................42

12.3 Request: "Inquiring of result" .....................................................................................42

12.4 Request "writing sampling regime (trigger sampling)"................................................42

12.5 Request: "writing the divider ration"...........................................................................42

13. Accessories...................................................................................................................44

13.1 Protective Enclosure..................................................................................................44

13.2 Spray Guard..............................................................................................................45

AR500 User’s Manual

LLL00xxxx –Rev 1.0 1

1. Introduction

This section is a guide to getting started with the AR500 and this manual. The

AR500 has a number of configurable parameters, but many applications can use

the sensor in its default factory configuration. This manual contains information

for a variety of AR500 sensor configurations that can be ordered from Acuity.

Your specific AR500 model may not have all interfaces and functions described

in this manual.

The recommended order for reading the manual is:

General Overview –Gives a brief understanding of the sensor operation.

Operating Guidelines –Provides a few important safety tips.

Definition of Terms –An aid for proper communication.

Quick Start Instructions –This should provide the information necessary

to connect the sensor and verify its operation, either with a serial terminal

program at 9600 baud, or by connecting the current loop or Alarm Output

interface.

General Description –Gives important laser, operation, mechanical, and

mounting information.

Installation and Checkout –Tailor the application. Use the other chapters

for reference:

Signal and Power Interface –how to hook everything up

Serial Interface Operation –modes, formats, bias

Analog Output Operation –current loop, voltage, scaling

Alarm Output Operation –alarm settings

Performance Optimization –Sample Rate, Background Elimination,

Exposure control

AR500 Command Set –explains all commands for customizing the

application

1.1 General Overview

The AR500 is atriangulation sensor that measures distance using alaser

beam, acamera, and amicroprocessor. A variety of models are specified,

each to allow adifferent measurement range, communications interface,

laser power and environmental options. Models vary in range from 5 to 1000

mm. Interface options include RS232, RS485, 4-20mA, 0-10V and Ethernet.

Sensors can be optionally ordered with an internal heater or air cooling

jacket.

The accuracy is generally specified with a linearity of about +/- 0.10% of the

range.

A variety of configuration settings can be selected via the serial port or

Ethernet interface (option). The complete list of settings is found in the

AR700 Command Set chapter and each setting is discussed in detail in a

specific operation chapter.

TheSample Rate can be specified and the sensor has capability above 9400

samples per second. Several other configurable parameters enhance the

AR500 User’s Manual

LLL00xxxx –Rev 1.0 2

performance. Sampling may be turned on and off. It can even be triggered

using an input signal wire or a serial command.

After making changes to the configuration, it may be viewed, saved in non-

volatile memory, and restored. At power-on the sensor uses the most

recently saved configuration settings.

Do not attempt to disassemble the sensor or loosen any screws.

Improper disassembly will destroy the optical alignment of the sensor and

necessitate factory repairs.

Do not operate the sensor in areas Where: the sensor case is

exposed to direct sunlight for extended periods or Where: the air

temperature is more than 60 C (140 F) or less than -10°C (-14°F).

The optional internal heater or air-cooling jacket may extend these

temperature limits

Don’t allow fast temperature variations during sensor operation.

Avoid excessive vibration and shocks. The sensor contains securely

mounted but precisely aligned optical components.

Do not operate the sensor if the lens is fogged or dirty.

Do not scratch the lenses on the front face of the sensor. Keep the

lenses clean with expert optical procedures. The lenses are glass with an

anti-reflection coating. Avoid the use of organic cleaning solvents.

Do not touch the lenses with bare fingers. The oils are very difficult to

remove.

Operate only with DC supply voltages up to 36 volts.

1.2 Definition of Terms

Sensor –The complete AR500 measurement device.

Target –The object of measurement. The relative distance from the sensor

to the target is measured by the sensor.

Laser, Laser beam –This bright light is emitted from the sensor, reflected

from the target, and collected by the camera lens. For the AR500, it is

visible (Red or Blue) radiation or in some specially-ordered

configurations, infrared.

<Range> –The maximum relative distance measurable by the sensor.

1.3 Quick Start Instructions

This will get the sensor running in its factory default configuration.

Only one output type (Serial or Analog) is needed to indicate sensor

operation.

1.3.1 Mounting

Quick suggestion: Lay the sensor on the floor or a table. It may need to

be held in place with a clamp or a weight. Orient the laser so that the

laser is not obstructed. Use a piece of paper such as a business card to

AR500 User’s Manual

LLL00xxxx –Rev 1.0 3

insert into the beam to use as a measurement target. The laser should be

aimed at a target such that the distance from the reference point to the

target can be measured.

Mount the sensor in such a way that the case is not twisted or warped.

The AR500 can be screwed on using two fastening screws 3.6 /06x7. The

fastening screws are not included in the scope of delivery.

Attach the cable(s) 8-pin connector to the plug(s) on the rear of the

sensor.

Connect the red (Supply +) and brown (Ground) wires of the sensor cable

to a 9 to 36 volt DC power supply (or use the power supply if the sensor

came with one).

1.3.2 Serial Data Wires

The serial connection is required to set up a unit for operation. If not

using the Acuity Connectivity kit which includes a serial cable, the

customer must make their own D-sub 9 serial connector

1.3.2.1 RS232 serial

Connect the RS232 wires to a 9 pin D-SUB male connector that can be

plugged into a COM port of a PC (RS232): Gray (Ground) to pin 5,

Green (Transmit) to pin 2, and Yellow (Receive) to pin 3. See section

3.2.2.

Use the Demo and Configuration Software (see Section 9) to connect

to the sensor via the serial port and get distance measurements.

1.3.2.2 RS485 serial

Connect the RS485 wires to a RS485 adapter connected to a PC COM port

Gray (Ground) to pin 5, Green (Data+) to pin 2, and Yellow (Data -) to

pin 3. See section 3.2.2.

Follow the same instructions for RS232 serial above.

1.3.3 Analog Output Signals

Quick suggestion: connect a DVM (digital volt meter) to the wires: Gray

to Common, Blue to mA input. Type QA. The output is a 4-20mA current

loop from 0 to the maximum range. The meter should read near 4 mA

when a target is placed in the laser beam near 0 mm and 20 mA near the

end of the range

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