AST EL50 User Manual

Reply :
If the command is successful, the reply is
Byte 1
ACK
0x06
Byte 2, 3
0A
0x30, 0x41
Byte 4, 5
‘W', 'D'
0x57, 0x44
Byte 1
NAK
0x15
Byte 2, 3
0A
0x30, 0x41
Byte 4, 5
‘R', 'D'
0x52, 0x44
Byte 6
01
0x30, 0x31
in the event of an error, the reply is
Batch Write (WD) command
Byte
1
STX
Bytes
2, 3
Station ID
Bytes
4, 5
WD
Bytes
6-9
Address
Bytes
10, 11
No. of Items
Bytes
12-15
Data 1
Byte
L-2
ETX
Byte
L-1, L
Checksum
Bytes
(L-6) - (L-3)
Data N
Byte 1
STX
0x02
Bytes 2, 3
0A
0x30, 0x41
Byte 16
ETX
0x03
Bytes 6-9
0400
0x30, 0x34, 0x30, 0x30
Bytes 10, 11
01
0x30, 0x31, 0x30, 0x30
Bytes 12-15
03E8
0x30, 0x33, 0x45, 0x38
Bytes 4, 5
WD
0x57, 0x44
Byte 17,18
74
0x37, 0x34
Byte 1
NAK
0x15
Byte 2, 3
0A
0x30, 0x41
Byte 4, 5
‘W', 'D'
0x57, 0x44
Byte 6
01
0x30, 0x31
In the event of an error, the reply is
21
Reply to above command if address '0000' contains value 1497 and address '0001' contains value 0000.
Byte 1
STX
0x02
Bytes 2, 3
0A
0x30, 0x41
Bytes 4, 5
RD
0x52, 0x44
Bytes 6-9
059D
0x30,0x35,0x39,0x44
Byte 14-15
9C
0x39, 0x43
Bytes 10-13
0000
0x30, 0x30, 0x30, 0x30

AST EL50 Specifications

General

Brand	AST
Model	EL50
Category	Measuring Instruments
Language	English