Arcam SOLO MOVIE 2.1 Hinweise zur benutzerdefinierten Installation - Seite 3

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Arcam SOLO MOVIE 2.1 Hinweise zur benutzerdefinierten Installation

Controlling the Arcam Solo Movie via RS232

Introduction

Solo Movie is fitted with an RS232 serial connector that allows remote control from a PC, or similar
device. This section of the document describes the protocol for controlling Solo Movie 2.1 or 5.1 via the
RS232 interface.
Conventions
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Data transfer format
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Serial cable specification

The cable is wired as a null modem:
Data transfer format
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Command and response formats

Communication between the RC and Solo Movie takes the form of sequences of bytes, with all
commands and responses having the same basic format. Communication between the two is full duplex.
Solo Movie shall always respond to a received command.
Each transmission by the RC shall be at least six bytes in the following format:
<STR> <ZN> <CC> <NB> <Data> <ETR>
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Each response by Solo Movie shall be at least seven bytes in the following format:
<STR> <ZN> <CC> <RC> <NB> <Data> <ETR>
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Arcam (A&R Cambridge Ltd), Pembroke Avenue, Waterbeach, CAMBRIDGE, CB25 9QR, England
The remote controller is referred to as the 'RC'.
All values in this section are hexadecimal values, unless otherwise specified.
Transfer rate: 38,400bps.
1 start bit, 8 data bits, 1 stop bit, no parity, no flow control.
Connector 1
Connector 2
2
3
3
2
5
5
Transfer rate: 19,200bps.
1 start bit, 8 data bits, 1 stop bit, no parity, no flow control.
STR (Start transmission): 0x21
ZN (Zone)
CC (Command code): the code for the command
NB (Number of bytes): the number of data items following this item, excluding the ETR
Data: [Byte(1) - Byte(NB)]
ETR (End transmission): 0xD
STR (Start transmission): 0x21
ZN (Zone)
CC (Command code)
RC (Reply code)
NB (Number of bytes): the number of data items following this item, excluding the ETR
Data: [Byte(1) - Byte(NB)]
ETR (End transmission): 0xD
+44 (0)1223 203200 www.arcam.co.uk/extranet
Function
Rx 3— Tx
Tx — 4 Rx
RS232 ground
RS232
(solo movie)
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