Honeywell UMC800 Reference Manual page 21

2.10.3 Write Scattered 32-bit Values,
Example 2:
Write the mode of a controller PID block to Man mode, assuming block number is 3.
Request Message
Write message request from Host to UMC 800:
10 02 01 ff 01 01 03 01 00 02 03 04 3f 80 00 00 bf40 10 03
DLE
STX
Dest i nation
Address
Source Address
Sequence N umber
Write
Scattered Val u es
# of Values
Fil l er Byte
Dynamic Par a meter
Block # 3
Index # 4
Manual Mode
CRC
DLE
ETX
Response Message
Controller to Host: (good message)
D L E
S T X
De s ti n at i on
Ad d r e s s
So u r ce A dd r e ss
Se q u e n c e Nu m b e r
A c k n o w l e d g e
Sca t t er ed 3 2 bi t Va lu es
C R C
D L E
E T X
Controller to Host (bad message, with a typical error code)
10|02|FF|01|0a|01|7e|80|10|03
8/99
continued
RS232 Communications Reference Manual
Protocol Description
11