12 stage – Honeywell HC900 User Manual
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HC900 Hybrid Controller Communications User Guide
Revision 10
12/07
6.12 Stage
Summary
This section contains addresses for the Stage function blocks.
See the Stage Register Maps in Table 6-1 for starting and ending addresses (hex) for Stage #1 through
Stage #8 Map Addresses.
The Modbus Stage number address for a Stage block can also be obtained from the Hybrid Control Designer
report.
Function Code Support:
Reads – Function Code 3
Writes – Function Code 16 (10 hex) for preset of multiple registers (e.g., for floating point)
Writes – Function Code 6 for presetting an integer value
For custom addresses view or print a report in HC Designer.
Table 6-22 Stage Parameters
Fixed
Address
(hex)
Fixed
Register
(decimal)
Parameter Name
Access Notes
6200
25089
PV1
R
Floating Point in Engineering Units
6202
25091
PV2
R
Floating Point in Engineering Units
6204 25093 Stage
#1-4
Override Status
R Bit
Packed:
Bit 0: Stage #1 Override Active: 0=NO, 1=YES
Bit 1: Stage #1 Override ON: 0=OFF, 1=ON
Bit 2: Stage #2 Override Active: 0=NO, 1=YES
Bit 3: Stage #2 Override ON: 0=OFF, 1=ON
Bit 4: Stage #3 Override Active: 0=NO, 1=YES
Bit 5: Stage #3 Override ON: 0=OFF, 1=ON
Bit 6: Stage #4 Override Active: 0=NO, 1=YES
Bit 7: Stage #4 Override ON: 0=OFF, 1=ON
Bits 8-15: Unused
6205
25094
Stage #1-4 PV
On/Off Comparison
R Bit
Packed:
Bit 0: Stage #1 On Comparitor: 0=PV1, 1=PV2
Bit 1: Stage #1 Off Comparitor: 0=PV1, 1=PV2
Bit 2: Stage #2 On Comparitor: 0=PV1, 1=PV2
Bit 3: Stage #2 Off Comparitor: 0=PV1, 1=PV2
Bit 4: Stage #3 On Comparitor: 0=PV1, 1=PV2
Bit 5: Stage #3 Off Comparitor: 0=PV1, 1=PV2
Bit 6: Stage #4 On Comparitor: 0=PV1, 1=PV2
Bit 7: Stage #4 Off Comparitor: 0=PV1, 1=PV2
Bit 8-15: Unused