RS-232CCommunicationUnitDL-RS1AUser'sManual(ILEdition)资源-CSDN文库

DL-RS1A

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RS-232C Communication Unit

DL-RS1A

User's Manual (IL Edition)

Read this manual before using the system in order to

achieve maximum performance.

Keep this manual in a safe place for future reference.

96081E

Introduction

This manual provides an overview of the RS-232C communication unit DL-RS1A and describes the

functions and procedures of the unit.

Be sure to read this manual carefully to ensure safe performance and function of the unit.

Keep this manual in a safe place for future reference.

Ensure that this manual is passed to the end user.

Symbols

The following symbols alert you to important messages. Be sure to read these messages carefully.

It indicates cautions and limitations that must be followed during operation.

It indicates additional information on proper operation.

It indicates tips for better understanding or useful information.

It indicates a hazardous situation which, if not avoided, will result in death or

serious injury.

It indicates a hazardous situation which, if not avoided, could result in death

or serious injury.

It indicates a hazardous situation which, if not avoided, could result in minor

or moderate injury.

It indicates a situation which, if not avoided, could result in product damage

as well as property damage.

DANGER

WARNING

CAUTION

NOTICE

Important

Point

Reference

Safety Precautions

General Cautions

• Atstartupandduringoperation,besuretomonitorthefunctionsandperformanceoftheDL-RS1A

forproperoperations.

•

Werecommendthatyoutakesubstantialsafetymeasurestoavoidanydamageintheeventthata

problemoccurs.

• DonotmodifytheDL-RS1Aoruseitinanywayotherthandescribedinthespecifications.

• WhentheDL-RS1Aisusedincombinationwithotherinstruments,functionsandperformancemay

bedegraded,dependingontheoperatingconditionsandsurroundingenvironment.

• DonotusetheDL-RS1Aforthepurposeofprotectingthehumanbody.

• Do not change the temperature drastically around the DL-RS1A and other devicesincluding the

accessories.Otherwisecondensationmaybegenerated.

Handling Errors

Operating Precautions

 Installation environment

To use the DL-RS1A correctly and safely, avoid installing it in the following locations. Failure to do so to

may cause fire, electric shock, and malfunction.

• Locationsthatarehumid,dusty,orpoorlyventilated

• Locationswithahightemperature,suchasaplaceexposedtodirectsunlight

• Locationswherethereareflammableorcorrosivegases

• Locationwheretheunitmaybedirectlysubjectedtovibrationorimpact

• Locationswherewater,oil,orchemicalsmaysplashontotheDL-RS1A

• Locationswherestaticelectricityiseasilygenerated

 Noise countermeasures

Isolate the unit from devices that generate high frequency electrical signals, power supply lines, or

power lines. Otherwise, noise could cause a malfunction.

Turn off the power immediately in the following cases. Using the unit in

abnormal conditions could cause fire, electric shock, or accident. Contact the

nearest KEYENCE office for repair.

• If fluids including water, chemicals, or debris enter the unit

• If the unit is dropped or the case is damaged

• If abnormal smoke or odor is present

NOTICE

• Do not use the DL-RS1A with a voltage other than specified voltage, as this

may cause fire, electric shock or equipment failure.

• Do not disassemble or modify the DL-RS1A. Doing so may cause fire or

electric shock.

• Be sure to turn off the power to the DL-RS1A and any connected devices before

connecting or disconnecting the cables. Failure to do so may damage the unit.

• Do not turn off the power while setting a parameter. Otherwise, the settings

may be partially or completely lost.

WARNING

NOTICE

Contents

Safety Precautions

General Cautions

Handling Errors

Operating Precautions

Installation environment

Noise countermeasures

Before Using the Unit

Checking the Package Contents ..................................................................................... 2

Part Names and Functions ............................................................................................... 2

Connecting the Unit to Sensor Amplifiers

Mounting the Unit ............................................................................................................. 3

Mounting the unit on the DIN rail................................................................................................. 3

Connecting the Unit to Sensor Amplifiers ........................................................................ 4

Available sensor amplifiers .........................................................................................................4

Connecting the DL-RS1A to DIN rail mount sensor amplifiers.................................................... 4

Connecting the unit to panel mount sensor amplifiers................................................................ 5

Connecting the Unit to External Devices

Communication Terminal Block ....................................................................................... 5

Terminal connection.................................................................................................................... 5

Connection wiring........................................................................................................................ 6

Optional cable ............................................................................................................................. 6

Input circuit diagram ................................................................................................................... 6

Communication Specifications

Communication Specifications......................................................................................... 7

Sensor Amplifier ID Number Assignments....................................................................... 7

DIN rail mount sensor amplifiers ................................................................................................. 7

Panel mount sensor amplifiers .................................................................................................... 7

Commands and Responses

Overview of Commands and Responses......................................................................... 7

Command format.........................................................................................................................7

Response ....................................................................................................................................8

Error response............................................................................................................................. 8

Reading............................................................................................................................ 9

Read from the specified sensor amplifier (SR command) .......................................................... 9

Read all data from all sensor amplifiers (M0 command) ............................................................ 9

Read output states and data from all sensor amplifiers (MS command).................................... 9

Read with external input to the DRQ terminal (DRQ read).......................................................... 9

Writing ............................................................................................................................ 10

Write to the specified sensor amplifier (SW command)............................................................ 10

Write to all sensor amplifiers (AW command) ........................................................................... 10

Parameters of Commands and Responses

Communication commands ...................................................................................................... 10

ID numbers................................................................................................................................ 10

Data numbers............................................................................................................................ 11

Relation between the data number 001 to 025 (data requesting the sensor amplifier operation)

and the data number 053 to 061 (data presenting the result of request/execution) ................ 15

Error numbers............................................................................................................................ 15

Communication Response Time

Communication Response Time and Time Chart .......................................................... 16

SR command............................................................................................................................. 16

M0 command and MS command.............................................................................................. 16

DRQ input.................................................................................................................................. 16

SW command and AW command ............................................................................................. 16

Time Frames of Communication Response Time .......................................................... 17

T2 (DL-RS1A data processing time) ......................................................................................... 17

T3 (Command send time from external device)........................................................................ 17

T4 (DL-RS1A command processing time) ................................................................................ 17

Contents

T5 (Response send time from DL-RS1A) ..................................................................................18

T6 (Sensor amplifier settings change time)............................................................................... 18

Specifications

Performance Specifications ........................................................................................... 18

Communication Specifications....................................................................................... 18

Dimensions..................................................................................................................... 19

When the unit is mounted on the DIN rail.................................................................................. 19

When the optional fixture (OP-60412) is used........................................................................... 19

Troubleshooting

ASCII Code Table

96081E

Before Using the Unit

Checking the Package Contents

Before using the DL-RS1A, check that the following items are all included.

All possible care was taken in packaging before shipment. However, in the event of defective broken,

or missing items, please contact your nearest KEYENCE office.

Part Names and Functions

End unit x 2

OP-26751

RS-232C communication unit

DL-RS1A

Expansion connector cover

Switch protection sticker

Instruction manual

Sensor ampliﬁer connector

(for panel mount type)*

* A sticker is attached as factory default.

4. Communication

status indicators (green)

5. Alarm indicator (red)

6. Read/write

setting switch

7. Power indicator (green)

8. Communication terminal block

Communication setup switch

Sensor ampliﬁer connector

(for DIN rail mount type)

Before Using the Unit

(1) Communication setup switches

You can use different ON/OFF combinations to configure the communication settings.

• Make sure you cycle the power to the unit after modifying the

communication settings. The modifications are not applied to the

unit until it is powered down and power has been reapplied.

• Place the switch protection sticker supplied with the unit over the

switches after you modify the settings.

(2) Sensor amplifier connector (for DIN-rail mount type)

Use this connector to connect DL-RS1A to a DIN-rail mount type sensor amplifier.

(3) Sensor amplifier connector (for panel mount type)

Use this connector to connect DL-RS1A to a panel mount type sensor amplifier.

The optional extension cable (OP-35361) must be used for connection.

You cannot connect DL-RS1A simultaneously to a DIN-rail mount type sensor amplifier and

a panel mount type sensor amplifier.

(4) Communication status indicators

These indicators show the communication status of DL-RS1A.

Setting Switch No. Combination

Baud rate

* Factory default positions are shown.

Do not use combinations other than those shown above for switches

1, 2, and 3.

Data bit length

* Factory default positions are shown.

Parity

* Factory default positions are shown.

ON ON

12 3 12 3 12 3 123 12 3

2400bit/s 4800bit/s

9600bit/s

19200bit/s 38400bit/s

Important

8 bit* 7 bit

None* Even Odd None

Important

Switch protection sticker

Point

Indicator Behavior

SD Lights up in green while data is being transmitted.

RD Lights up in green while data is being received.

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