JVC VR-510U manual 10 RS-232C Interface, Specifications, Protocols and commands,  Basic table

Page 40

10 RS-232C INTERFACE

10-1 Specifications

9-pin connector specifications

Pin No.

Signal

Operation

Signal direction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

TXD

Transmission data

DVR [ CPU

Output level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

RXD

Reception data

DVR p CPU

6

 

 

 

 

 

 

 

OFF

: –5 V or less

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

: +5 V or more

 

 

 

 

 

 

 

 

 

6

DSR

Data set ready

DVR p CPU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

5

GND

Signal ground

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

DTR

Data terminal ready

DVR [ CPU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Data format

• Mode

: Non-synchronous

 

 

• Character length

: 8 bits

 

 

• Data rate

: 9600 bps

0(SPACE)

Start

 

 

• Parity check

: None

 

bit

• Stop bit

: 1

1(MARK)

 

 

 

 

D

0

D

D

D

1

2

3

D

D

D

D

4

5

6

7

Stop

bit

10-2 Protocols and commands

This section provides programming information needed to control the VR-510U via RS-232C.

Basic table

[Upper

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

[Lower

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Data 0

ENTER

 

 

 

 

 

 

ALARM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FWD

 

 

 

 

1

COMPLETE

 

 

Data 1

CLEAR

 

 

 

 

 

 

ALARM

 

 

 

 

 

 

 

 

 

ERROR

 

 

 

 

 

 

REV

 

 

 

 

2

ERROR

 

 

Data 2

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Data 3

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

Data 4

 

 

 

 

 

 

 

 

 

 

 

 

5

NOT

 

 

Data 5

 

 

 

 

 

 

 

FWD

 

 

 

 

 

TARGET

 

 

 

 

 

 

 

 

 

 

SHUTTLE

 

 

 

 

6

ALARM

 

 

Data 6

 

CLEAR

 

 

 

 

 

REV

 

 

 

JVC-1

 

IN

 

 

 

 

 

 

 

 

 

 

SHUTTLE

 

 

 

TABLE ON

7

 

 

 

Data 7

 

 

STATUS

 

 

 

 

 

 

STATUS

 

BASIC

 

 

 

 

 

 

 

SENSE

 

 

 

 

 

 

SENSE

 

TABLE ON

8

 

 

 

Data 8

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

Data 9

 

 

 

 

 

 

 

 

 

 

 

 

A

ACK

 

 

PLAY

REV

 

 

 

 

 

 

 

REC

 

 

REC

 

 

 

 

 

PLAY

 

 

 

 

 

 

 

 

 

 

REQUEST

B

NAK

 

 

FWD x3

REV x3

 

 

 

 

 

FF

 

 

 

 

VTR INQ

C

 

 

 

FWD x1/6

REV x1/6

 

 

 

 

 

REW

 

 

 

 

 

D

 

 

 

FWD

REV

 

 

 

 

 

FWD

 

 

 

 

 

 

 

 

 

STILL

STILL

 

 

 

 

 

STEP

 

 

 

 

 

E

 

 

 

FWD x15

REV x15

 

 

 

DATE SET

 

REV

DATE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEP

SENSE

 

 

 

 

F

 

 

 

STOP

STILL

 

 

 

TIME SET

 

 

TIME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSE

 

 

 

 

40

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Contents VR-510U For Customer UseSerial No Page Safety Precautions InformationContents Precautions Major featuresIntroduction CONTROLS, Connections and Display Front panelRear panel Display Recording video signals from a camera Connecting a cameraMenu switch setting ConnectionsConnecting more than one camera using an external switcher Connection proceduresPower cable MonitorConnecting signal input/output terminals Power supply Installing a batteryPreparation Daylight-saving compensation Setting the date and timeDuring daylight-saving time Standard time ON-SCREEN DISPLAY/MENU Switches On-screen displayMenu flow Menu switchesMain menu screen Menu switches contd Jog/shuttle dial operationShuttle dial operation Jog dial operationDisplay Setting  Set REC Quality and REC Speed on the display panelSetting in is the factory setting Menu switch detailsSetting item Menu switch Setting value Description Menu switch details contd Alarm REC Mode OFF Sensor Mode Alarm OFFSensor Alarm ALARM/SENSOR OFFMajor menu switches RecordingBasic operation Recording systemProgram timer recording Weekly timerProgram timer recording contd Timer-recording for 24 hours or moreDaily timer Move the cursorOperation in the Timer Recording Standby mode Canceling a timer recording programChanging timer program settings Holiday timer recording Alarm recording Repeat recording during alarm recordingCancel button Jog dial Connect an alarm sensorPre-sensor recording ExampleRecording with an external activation signal Automatic restart of recording after power failureConnection OperationSimultaneous Playback mode PlaybackShuttle playback operation Jog/shuttle playbackJog playback operation Skip search Time searchAbout the time search Execute time searchAlarm search About event/alarm searchSkip search contd Event searchAlarm or day/time direct search Alarm direct search Clearing the alarm list Day/time direct searchHard disk maintenance  Scan the disk when the power is onHard Disk Control Scanning the diskHard disk maintenance contd Erasing & formatting Erasing & formatting Erase & format the diskTroubleshooting Error indicationOn-screen indication Cause Possible solution Indication lightsNo error indication Specifications Protocols and commands10 RS-232C Interface  Basic tableProtocols and commands contd  JVC tableCommands  Operation commandsCommands Description  Preparation Setup commands Commands contdBit Playback Camera Fixed  Sense commands Command DescriptionB9H BEH Others Recording timeSignal input/output terminals Terminals Signal level RemarksClock Reset OUT Clock ResetProvided accessories Video signal systemDimensions Audio signal systemPage Page VR-510U Digital Video Recorder
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