Honeywell HC900 - Manual (Page 59)

Revision 10 HC900 Hybrid Controller Communications User Guide 51
12/07
Loop type Fixed
Address
(hex) Fixed
Register
(decimal) Parameter Name
PIDOn
/
Off
Carb3Pos AMB
Access Notes
00FB 0252 Set Point State 9 9 9 9 R/W Bit Packed (selects either SP1 or SP2 as a local SP
if the HC900 is configured as such in PID setup)
Bit 0: 0:SP1; 1:SP2
Bit 1-15: Unused
00FC 0253 Remote/Local Set
Point State 9 9 9 9 R/W Bit Packed
Bit 0: 0:LSP; 1:RSP
Bit 1-15: Unused
00FD 0254 Tune Set State 9 9 9 R/W Bit Packed (selects tuning constant set)
Bit 0: 0:Tune Set #1; 1:Tune Set #2
Bit 1-15: Unused
00FE 0255 Loop Status 9 9 9 9 9 R Bit Packed
Bit 0: Mode: 0:Manual; 1:Auto
Bit 1: Set Point: 0:SP1; 1:SP2
Bit 2: Remote/Local: 0:LSP; 1:RSP
Bit 3: Tune Set: 0:Set #1; 1:Set #2
Bit 4: IMAN: 0:Inactive; 1:Active
Bit 5: LO: 0: Inactive; 1:Active
Bit 6-15: Reserved
See Table 6-28 on page 92for additional loop parameters for custom maps only.