Product Details
Product Description
Product Description
Overview ControlEdge HC900 Controller Controlware is the execution environment, control algorithms and firmware infrastructure programmed into the controller’s memory to allow users to apply the product in process control applications. Operation A control strategy configuration in the ControlEdge HC900 controller consists of function blocks, or predefined algorithms that get executed in a sequential manner during a scan cycle. During controller configuration, the user specifies the quantity and type of function blocks needed for the application. Two scan engines (Fast and Normal) contain the specific function blocks and the execution sequence to run its blocks. Physical inputs are read at the start of each scan cycle, then all function blocks are executed according to the execution order, then physical outputs are updated. Due to their nature, TPS, TPO and PPO functions have their physical outputs updated during their execution. The execution environment for the controller is based on two deterministic execution cycles, one for fast logic type operations and a second cycle for normal analog based operations. Within these two fixed time cycle operations, time is allocated by the system to execute other functions such as communication tasks, and background diagnostic checking. These tasks are assigned function block numbers 1 through 100 and may not be altered by the user. The user’s configuration begins with function block number 101. In order to maintain the deterministic operation of the controller, time may be added to the scan cycles in fixed increments based on the size and scope of the user’s configuration. The maximum time required to execute the user’s configuration is determined when a configuration is loaded into the controller and does not change during online operation. The time needed to execute communications and other background tasks is accounted for in the configuration timing and does not impact the deterministic operation of the controller.
For more information see specification sheets: ControlEdge HC900 Controller 51-52-03-31 ControlEdge 900 Platform Modules 51-52-03-41 Designer Software 51-52-03-43 900 Control Station Operator Interfaces 51-52-03-46.
Controller Configuration
User configurations are permanently retained in flash memory in the controller. In the event a PC configuration file is lost or misplaced, it can be easily reconstructed using the upload function of the Designer configuration software or via the 900 Control Station. Simply read the configuration from the controller to exactly duplicate the original configuration, including all text descriptions. In the event edits to a controller’s configuration are required after the unit is in operation, the on-line download function of the ControlEdge HC900 Designer software allows configuration changes while in the Run/Program mode, limiting process disturbances. During power interruptions to the controller the dynamic control status is retained in battery backed RAM memory. This function minimizes process upsets during momentary power interruptions and other discontinuous operation. If power is lost and the battery is not available, the controller defaults to the configuration stored in Flash memory and a cold start is performed.
Function Block Attributes
The CPUs of the ControlEdge HC900 provide different function block capacities to allow matching controller performance to application needs. The C30 CPU provides up to 400 function blocks, the C50 up to 2000, and the C70/C75 up to 15000 (5000 for version below 6.6) function blocks. Similar proportions apply to available support items such as soft-wire connections and page connectors.
PRODUCT MODEL
900B01-0301 900B08-0202 900B16-0202 900A01-0202 900A16-0103
900H01-0202 900H02-0202 900H32-0102 900G01 900G02-0202
900G32-0101 900K01 900P01-0301 900P01-0401 900P02
900RR0 900R04-0200 900R08-0200 900R08R-0200 900R12-0200
900R12R-0200 900C30-0460 900C30S-0460 900C50-0460 900C50S-0460
900S50-0460 900S50S-0460 900C70-0460 900C75-0460 900S75-0460
900C75S-0460 900S75S-0460 900PSM-0200 900RSM-0200 900TCK
900TBK 900TEK 900TNF 900U01-0100 900U02-0100 900SP1 900CP1
900S75S 900S75 900S50 900C70R 900C71R 900C72R 900C75 900C75S 900A01 900A08 900A16 900B01 900B08 900B16 900G32 900G16 900H32 900H16 900C30 900C30S 900C31 900C50 900C50S 900C51 900C52 900C70 900C71 900C72
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