Honeywell UMC800 - Pre-Installation Considerations; Introduction; Operating limits

Protocol Description
8/99 RS232 Communications Reference Manual 9
2.10.2 Read Scattered 32-bit Values, continued
Response Message
Controller to Host: (good message)
Assume values are PV=1002.4, WSP = 1000.0, Output = 10.4, Mode = 4.0 (Local SP, Automatic),
AI Input Value = 500, Failed Input = off.
DLE
ST X
Destination
Address
Source Address
Sequence Number
Scattered 32 bit Values
Acknowledge
# of V alues
PV = 1002.4
WSP = 1000.0
Output = 10.4
Mode = 4.0 (Local Setpoint, Auto Mode)
CRC
DLE
ET X
Floating Point IEEE Format
AI Input Value = 500
Failed Input = Off
Controller to Host (bad message, with a typical error code)
10|02|FF|01|0a|01|7e|80|10|03