Omega Speaker Systems VR200 User Manual

2

PREFACE

1.1 Interface Specifications ................................................................................................................ 1-1
1.2 Interface Terminal ........................................................................................................................ 1-2

1.2.1

Terminal Assignment ...................................................................................................... 1-2

1.2.2

Cable Termination .......................................................................................................... 1-2

1.3 Communication Wiring ................................................................................................................ 1-3
1.4 Data Configuration ....................................................................................................................... 1-4

1.4.1

Start-stop (Asynchronous) Communication ................................................................... 1-4

1.4.2

Text ................................................................................................................................. 1-4

1.4.3

Input Buffer ..................................................................................................................... 1-5

1.4.4

Buffer Overflow .............................................................................................................. 1-5

1.5 Setting up the RS-422-A Communication Interface ..................................................................... 1-6

2.1 General Rules for Commands ....................................................................................................... 2-1
2.2 Program Set Commands ............................................................................................................... 2-2

2.2.1

List of Program Set Commands ...................................................................................... 2-2

2.2.2

Setting the Range and Scale ............................................................................................ 2-2

2.2.3

Setting Alarms ................................................................................................................ 2-4

2.2.4

Setting the Unit ............................................................................................................... 2-5

2.2.5

Setting the Waveform Span Rate (TIME/DIV) .............................................................. 2-5

2.2.6

Setting the Clock ............................................................................................................. 2-5

2.2.7

Copying the Channel Settings ......................................................................................... 2-5

2.2.8

Setting the Discrete (ZONE) Display ............................................................................. 2-6

2.2.9

Setting the Partial Expanded Display ............................................................................. 2-6

2.2.10

Setting the Scale Value Indication On/Off (DISP_SCALE, only for VR200
with style number 1 or lower) ......................................................................................... 2-6

2.2.11  Setting the Tag .................................................................................................................. 2-6
2.2.12  Setting the Trip Level ....................................................................................................... 2-7
2.2.13  Setting the Floppy Disk Format Type (FD, only for VR202/VR204) .............................. 2-7
2.2.14  Setting the Data File Name (FILE) ................................................................................... 2-7
2.2.15  Setting the LCD Brightness and LCD Saver (LCD) ........................................................ 2-8
2.2.16  Setting the Summer/ Winter Time (DST) ......................................................................... 2-8
2.2.17

Message setting (MESSAGE, only for the VR 200 with style number 2 or higher) ...... 2-8

2.2.18

Setting of the Number of Divisions of the Bar Graph Scale
 (BAR_SCALE_DIV, for the VR 200 with style number 2 or higher) .......................... 2-8

2.2.19

ON/OFF Setting of the Waveform Span Rate Display, ON/OFF Setting of the Message
 Menu (SPECIAL, for the VR 200 with style number 2 or higher) ................................ 2-8

2.2.20

Waveform Display and Scale Display Setting
(DISP_WAVE, for the VR 200 with style number 2 or higher) ..................................... 2-9

2.3 Program Control Commands ...................................................................................................... 2-10

2.3.1

List of Program Control Commands ............................................................................. 2-10

2.3.2

Standard Screen Call ..................................................................................................... 2-10

2.3.3

Alarm Acknowledge ..................................................................................................... 2-10

2.3.4

Initializing the Data Memory ........................................................................................ 2-10

2.3.5

Writing a Time-axis Mark and Raising an Event Trigger ............................................ 2-10

2.3.6

Designating the Sequence of Byte Output (for Binary Output) .................................... 2-10

2.3.7

Selecting the Output Data ............................................................................................. 2-11

2.3.8

Selecting the Output Format for Measured Data .......................................................... 2-11

2.3.9

Selecting Channels for Request for Setting Parameters,
Unit/Decimal Point Information ................................................................................... 2-11

2.3.10

Loading the SET Configuration File ............................................................................. 2-11

2.3.11

Saving the SET Configuration File ............................................................................... 2-11

2.3.12

Message Writing (for the VR 200 with style number 2 or higher) ............................... 2-12

2.3.13

Display Switching (for the VR 200 with style number 2 or higher) ............................. 2-12