Protocol Description
8/99 RS232 Communications Reference Manual 7
2.10.1 Read Contiguous 32-bit Values,
continued
Response Message
Controller to Host: (good message)
Assume values are PV=1002.4, WSP = 1000.0, output = 10.4, and mode = 4.0 (Local SP, Automatic)
10 02 ff 01 01 09 02 04 44 7a 99 9a 44 7a 00 00 41 26 66 66 40 80 00 00 bf 40 10 03
DLE
STX
Destination
Address
Source Address
Acknowledge
# of Values
PV = 1002.4
WSP = 1000.0
Output = 10.4
Mode = 4.0 (Local Setpoint, Auto Mode)
CRC
DLE
ETX
Floating Point IEEE Format
Contiguous 32 bit values
Sequence Number
Mode is decoded as follows (also see Sect 2,48 of Manual 51-52-25-64):
0.0= RSP AUTO
1.0= RSP MAN
2.0= RSP Initialization Manual
3.0= RSP Local Override
4.0= LSP AUTO
5.0= LSP MAN
6.0= LSP Initialization Manual
7.0= LSP Local Override
Controller to Host (bad message, with a typical error code)
10|02|FF|01|0a|01|7e|80|10|03
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