Applications 

Mining and metals Furnaces, kilns, boilers 

Chemicals, extruders Autoclaves 

Pharmaceutical sterilisers, dryers 

Railway/ Infrastructure Burner Mgmt, 

HVAC/ data centres Combustion control 

Pulp & Paper Emergency Shutdown 

Cement and glass Pipeline monitoring 

Power Leak Prevention

Functional Overview 

– Supports split-rack redundancy 

– Supports Honeywell FDM (Field Device Manager) with HART IP 

– Supports HART function blocks (Commands 3 and 48) 

Note: HART support requires a UIO module 

– Non-redundant and redundant architectures 

– Sequence of Events Support (SOE) 

Note: Supported only in non-redundant UIO configurations.

– Redundant and Non-Redundant Safe General Purpose IOs 

– PID control with advanced Accutune III auto-tuning 

– Secure peer-to-peer communication between ControlEdge HC900 controllers 

– External watchdog timer with independent clock to detect unexpected CPU lockups 

– Adjustable recipe pool memory allocates memory for recipes, SP profiles, sequences, and schedules to meet your needs 

– Up to 4608 points can be connected via remote I/O 

– Boolean logic programming. powerful combination of over 100 algorithms

– Advanced floating-point maths functions.

– Extensive alarm and event monitoring 

– Up to 2304 galvanically isolated analogue input points 

– Up to 1008 redundant UIO points 

– New I/O voting and output verification function blocks.

– Remote I/O racks with wires for extended distances.

– Star or ring topology on the IO network using recommended switches 

– Scanners and I/O plugged in and out while powered 

– LED on/off indicators on digital I/Os 

– Graphical Function Block Configuration 

– Open 10MB or 10/100MB Ethernet interface using Modbus/TCP. Point-to-point communication via Ethernet 

– Priority email alarm/event messages

– Ramp/soak setpoint programmer 

– Setpoint scheduler with multiple outputs 

– Sequencer with 16 outputs each 

– Modbus read/write parameters can be assigned to fixed or custom addresses for HMI or monitoring software access.

– Modbus TCP Initiator 

– Gas flow function block compliant with American Gas www.cniacs.com Association specifications. (Non-safety configurations only).

– Calendar module for triggering events 

– Non-intrusive process/safety worksheets to handle both process and safety configurations.

– Built-in version control 

– Quick update – 10 ms digital update and UIO (900U02-xxxx) 100 ms analogue update 

Note: Low level AI update time is 0.5 seconds.