videotronic HQ-IDC-23012P, Operating Instructions Manual

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Annex
57
HQ−IDC−23012P
Order No. M578527AC/112003
© 2003 videotronic gmbh
ALL RIGHTS RESERVED
Only the camera’s ID corresponded processes the command transmitted from
the controller. A command is processed. After a command processes the
camera carried out, it transmits response data.
When ID is set as 00h from a controller and a command is transmitted, all
cameras process a command. (Response data is not transmitted when ID is
00h.)
In one pair N communication, a controller should not transmit <1> ENQ of a
Fig. 72 communication flow, and <6>
ACK.A camera does not transmit
<4>
ACK.
4.7.2.3 Communication data format
(1) ENQ Data length 1byte
05h
(2) ACK: OK Data length 1byte
06h
(3) NAK: Error Data length 1byte
15h
(4) Command sequence Data length 18byte
STX D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 ID ETX SUM
STX: 02h
ID: ID which discriminates a camera at the time of one pair N
communication (00h: All cameras, prohibition of F0h−FFh use)
ETX: 03h
SUM: Please set up so that the addition value of a total of 18 bytes of
STX−SUM is set to 00h.
(5) Response sequence Data length 18byte
STX D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 ID ETX SUM
STX: 02h
D1: A0h (At the time of normal)
D1: A1h (BUSY)
D1: A2h (Data injustice)
D1: A3h (Data injustice)