Advertisement
4.3 Data Format
Data format is shown below.
Start bit
B1
Start bit
Data bit
Parity
Stop bit
4.4 Command Structure
All commands are composed of ASCII, and have the following structures.
Numerals written above the command represent the number of characters.
4.4.1 RCP Command Structure
Contact Area Read
Reads ON/OFF status of multiple contacts (R only).
8 points to 1 command can be specified.
Command
1
%
25H
Acknowledgement
1
%
25H
Negative acknowledgement
1
%
25H
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
B2
B3
B4
B5
1 bit
7 bits/8 bits
Even parity/Odd parity/No parity
1 bit/2 bits
2
1
#
Address
23H
52H 43H 50H
(Decimal)
1
0
10
10
2
1
Address
$
(Decimal)
24H
1
0
10
10
2
1
Address
!
Error code
(Decimal)
(Hexadecimal)
21H
1
0
10
10
B6
B7
B8
3
1
Number of
RCP
contacts
(1 to 8)
2
1
RC
Contact data
(1)
52H 43H
2
2
BCC
1
0
1
0
16
16
16
16
Parity
Stop bit
1
4
R
Contact No.
n
52H
(1)
3
2
1
0
10
10
10
16
1
4
R
Contact No.
(n)
52H
3
2
10
10
10
1
Contact data
(n)
1
C
R
0DH
2
1
C
R
BCC
0DH
1
0
1
0
16
16
16
2
1
C
R
BCC
0DH
1
0
16
16
Advertisement
