Others; Rs-232C Interface; Rs-232C Specifications; Command Format - JVC DLA-RS1 Instructions Manual

DLA-RS1_EN.book Page 42 Wednesday, January 24, 2007 9:23 AM

RS-232C Interface

Control of this unit via a computer is possible by connecting the computer to this unit with a RS-232C cross
cable (D-Sub 9 pin).

RS-232C Specifications

This unit
Mode
Character Length
Parity
Start Bit
Stop Bit
Data Rate
Data Format

Command Format

The command between this unit and the computer consists of AHeaderB, AUnit IDB, ACommandB, ADataB and AEndB.
Header (1 byte), Unit ID (2 bytes), Command (2 bytes), Data (n bytes), End (1 byte)
Header
This binary code indicates the start of communication.
Binary code
21
3F
40
06
Unit ID
This code specifies the unit. The binary code is fixed at A8901B.
42
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Others

6
Pin No.
2
3
5
1, 4, 6 b 9
PC refers to the controller such as a personal computer.
Non-synchronous
8 bit
None
1
1
19200 bps
Binary
Type
Operating command
Reference command
Response command
ACK
Signal Operation
RxD Receive data
TxD Transmit data
GND Signal ground
N/C
b
Start Bit
PC This unit
PC This unit
This unit PC
This unit PC
(When the command is accepted without error, it returns to PC)
Signal Direction
This unit PC
This unit PC
b
b
Stop Bit
Description