Process controller for complex control tasks, as single- or dual-channel controller, with additional computing functions in the input area.
- Up to 4 independent control loops
- Freely configurable via function library
- Up to 11 analog inputs or 9 analog outputs
Freely configurable control and computing unit for complex control tasks.
SIPART DR24 is a process controller as single-channel or dual-channel controller used for complex control tasks, with additional computing functions in the input range. The digital controller in 72 × 144 mm format is suitable for all process-specific tasks such as mathematical calculations, logic operations, open-loop controls and time-controlled closed-loop controls.
Design
The SIPART DR24 has a modular structure and is therefore service-friendly as well as easy to convert and retrofit. It consists of a basic unit in which additional signal converters can be inserted to expand the range of application. These modules are inserted in the slots on the rear of the device (see figure “SIPART DR24 multifunction unit, rear view”).
The basic unit consists of:
- Front module with the control and display elements
- Main circuit board with CPU and terminal strips
- Polycarbonate enclosure with connector circuit board and power supply unit
The electrical connections between the individual modules are established via the connector circuit board screwed into the enclosure. The main circuit board is inserted into slot 1 on the rear and interlocked. It has one 10-pin and one 14-pin plug-in terminal strip via which all inputs and outputs of the basic unit are connected. Five additional slots can be occupied by option modules if the number of field signal adaptations to the process provided in the basic unit is not sufficient for the intended task.
There is a short-circuit proof L+ output (24 V DC, 100 mA) for supplying transmitters.
The power supply, a galvanically isolated controlled switched mode power supply, is in a closed metal enclosure and is permanently screwed onto the polycarbonate enclosure of the device.
Available versions:
- 6DR2410-4 for auxiliary power 24 V UC
- 6DR2410-5 for auxiliary power 230 V AC, can be switched to 115 V AC
Brief voltage interruptions of the auxiliary power are bridged without affecting the respective device function. All voltage produced by the power supply unit is stabilized and short-circuit proof (thermal fuse and current monitoring).
The input of the power supply unit is protected against overvoltage. A filter ensures that interference pulses cannot enter the devices from the mains and that switching pulses cannot enter the mains supply from the power supply unit.
The output power of the power supply unit can supply multiple consumers referenced to ground (active binary outputs, signal converts) with 24 V.
Application
The SIPART DR24 multifunction unit is used for calculating, open-loop and closed-loop control in process engineering. It can be freely configured to match the respective task. During structuring, the functions stored in the memory are called (see table below) and connected through simple assignment to one another as well as with the inputs and outputs and the indicators and buttons of their operator control and display unit.
No programming knowledge is required for this task.
The multifunction unit can be connected to higher-level automation systems, control systems or process computers in analog, parallel connection technology as well as over an addressable serial interface with bus capability.
The multifunction unit is suitable for installation in panels, consoles or cabinets.
Application examples:
- Computer for mathematical equations, chronological processes, logic operations and parallel computation processes
- Programmers (timers) also in connection with closed-loop controllers, calculations and open-loop controllers
- Closed-loop controllers with continuous manipulated variable and/or three-point step controllers; inputs and outputs of the controller blocks can be freely configured, e.g. with computation and control functions; as individual controller or for parallel operation of up to four independent control loops, for selection controllers, cascade controllers, SPC or DDC operation
- Program controllers; up to 8 programs
- Boiler controllers with mathematical evaluation of the process variables (min./max. selection, correction calculator, etc.)
- Burner controllers with control functions
- Thermodynamic process controllers and calculations (enthalpy)
- Furnace and zone controllers with scheduled setpoint control and linearization
- Test bed open-loop and closed-loop control
- Process controllers along conveyor lines (e.g. conveyor belt) with dead time element
- Pump limit controllers
- Transformers of analog and binary process variables from and to serial interface
- Process monitoring (limits, failure messages, etc.)
- Dependent and mutual locking as well as override setpoint control
- Multiplexers for process variables and/or setpoints
- Weighted averaging using sampling values
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