Register Map for Process and Operation Type Variables
Stage Group Register Map
Revision 4 HC900 Hybrid Controller Communications User Guide 85
9/03
6.26 Stage Group Register Map
Summary
This section contains addresses for the Stage #1 Group.
See the Stage Group Register Maps in Table 6-1 for starting and ending addresses (hex) for Stage Group
#2 through Stage Group #8 Map Addresses.
The Modbus Stage number address for a Stage Group can also be obtained from the Hybrid Control Designer
printout of "Block Modbus Addresses".
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
Table 6-33 Stage Group #1 Register Map
Address
(hex)
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
6206 25095 Stage #1-4
Previous/Next
Interlock
R
Bit Packed:
Bit 0: Stage #1 Interlock with Previous Stage
0=NO, 1=YES
Bit 1: Stage #1 Interlock with Next Stage