Honeywell HC900 - Page 221

Revision 6 HC900 Process & Safety Controller User and Installation Manual 207
21 April 2017
Features
C30
C50
C70
C75
Maximum user-
configurable Function
Blocks
400
2000
5000
Maximum Control Loops
Quantity based on available memory
System Blocks (Not user
configurable)
100 (not part of 400, 2000 or 5000), for Alarm Group blocks, System block, Rack
Monitor blocks, Communications
Loop Outputs
Current, time proportional, position proportional, 3-position step (motor positioning),
dual output [heat/cool])
Control Loop Types
PID A, PID B, Duplex A, Duplex B, Ratio, Cascade, % Carbon, Dewpoint, Relative
Humidity, On-Off, Auto/Manual-Bias
Auto-tuning
Accutune III, fuzzy logic overshoot suppression, applicable to all control loops
Setpoint Programmers
Ramp Types: Ramp Rate or Ramp Time
Time Units: Hours or Minutes
Segment Time: 0-99,999.999 hours or minutes
Program Cycles: Up to 100 or infinite, configurable segment range
Programmer Events
Assignable to DO or internal status
Setpoint Profiles
50 segments per profile. Number of stored profiles is user-configurable.
Setpoint Scheduler
Ramp type: Ramp time
Time units: Hours or minutes
Segment time: 0.001 to 9999.999 hours or minutes
Cycles: Per segment to 999 or infinite
Auxiliary Scheduler
Setpoints
Up to 8 setpoints, soak only
Schedule events
Up to 16, assignable to DO or internal status
Setpoint Scheduler
Schedules
50 segments per schedule. Number of stored schedules is configurable.
Sequencers
States: 50
State text: 12 characters
Steps: 64
Time Units: Minutes or Seconds
Digital Outputs: 16
Analog Output: 1, configurable value/step
Step Execution: On Time, Event 1, Event2, or via Advance
Next Step: Any step
Sequences
Number of stored Sequences is user-configurable
Recipes (Variables)
Number of stored Recipes (Variables) is user-configurable
Recipe Parameters
Up to 50 analog or digital Variables — (may include profile numbers)
Signal Tags (Read only)
Up to 65,535
Tag Identification
16-character tagname, 16-character descriptor,6-character units of measure (analog
only), 6 character on/off state (digital only)
Variables (Read/Write)
Up to 2048
Variable Identification
16-character tagname, 16-character descriptor,6-character units of measure (analog
only), 6 character on/off state (digital only)