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Temperature Controls: Auto-Tuning PID
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Auto-Tuning PID Controllers
PID
(proportional with integral and derivative) controllers combine proportional
control with two additional adjustments to automatically compensate for
changes in the system. The integral and derivative adjustments are expressed
in time-based units and referred to by their reciprocals, RESET and RATE.
Single-loop, auto-tuning temperature controllers automatically set PID control parameters for optimum system performance. Manual settings also permit on-off, P, PI or PID control modes. Auto-tuning temperature controllers supplied by Southwest Heater & Controls are designed and manufactured to withstand harsh industrial environments.
Controllers:
Applications
- Batch processes
- Electroplating
- Environmental chambers
- Foodservice equipment
- Furnace/ovens
- Medical and dental equipment
- Packaging
- Plastics processing
- Pulp and paper
- Semiconductor manufacturing
More Information
The product information files listed are in .pdf format and require Adobe Acrobat Reader to open.
Watlow PM Express Controller
This controller delivers advanced control functionality while using a user-friendly interface that supports two menus and a streamlined list of parameters. The Express menu eliminates complexity and reduces both training costs and user errors.
The PM Express includes one universal input and the option for up to two outputs.
Performance Features
- Simplified menu
- PID auto-tune
- Standard bus communications
- Factory Mutual (FM) approved over & under limit with auxiliary outputs
- Agency approved
- Removal front panel
- P3T armor sealing system
- Touch-safe package
- Consistent Termination Labeling (CTL) connection system
- High amperage power control output
- Class 1, Div. 2
More Information:
Watlow PM Controller
The EZ Zone PM panel mount controller offers control options to reduce system complexity and cost. It can be ordered as a PID controller, an over/under controller or a combination of these functions combined in an integrated controller.
Since the controller is highly scalable, you only pay for the functions you need.
Performance Features
- Integrated PID and limit controller
- High amperage power control output
- Current monitoring
- Serial communication capabilities
- Dual-channel controller
- Enhanced control options
- Advanced PID control algorithm
- Configuration communications with software
- Ten-point linearization curve
- Built-in sensor compensation curves
- Remote set point operation
- Profile capability
- Retransmit Output
- Factory Mutual (FM) approved over/under limit with auxiliary outputs
- Memory for saving and restoring parameter settings
- Agency approved
- Touch-safe package
- Consistent termination labeling connection system
- EZ-KEY
- Programmable menu system
More Information:
Watlow ST Controller
The EZ-ZONE® ST integrated solid state controller offers complete thermal system control in a single package solution.
The controller features a PID temperature controller connected to a high-amperage solid state relay with the option of adding a properly sized heat sink. It also includes an over- and – under - temperature limit, a shut-down power contactor, digital communications and a remote user interface.
Performance Features
- Back panel or DIN-rail mount
- Compact package
- Touch-safe package
- ±0.1 percent temperature accuracy
- Agency approved
- EZ-ZONE P3T armor sealing system Remote User Interface (RUI)
- Off-the-shelf designed system solution
- Profile capability
- Communications with PLC, PC or OIT
- Solid state relay output
- PID temperature control
- Optional temperature limit
- Optional definite purpose mechanical contactor
- Optional current monitoring feature
- Optional Remote User Interface EZKB (RUI)
- Optional SSR heat sink
- System diagnostics
- PC Software—EZ-ZONE Configurator
More Information:
Watlow SD31
These
single loop panel mount products include a universal sensor input and
up to three outputs that can be configured as heat (indirect) or cool
(direct) PID control outputs or as process and deviation alarms.
The Series SD31 controller offers a number of flexible, user-friendly options. Choose factory or user defaults and display either process or set point values. Process inputs are scalable and invertible from the front panel.
Performance Features
- Simplified navigation
- INFOSENSE™ sensor technology
- User defined menu system
- Agency approved
- Variable burst fire
- Save & Restore feature
Watlow SD_C
These
single loop panel mount products include a universal sensor input and
up to three outputs that can be configured as heat (indirect) or cool
(direct) PID control outputs or as process and deviation alarms.
Series SD_C controllers include a universal sensor input with up to 3 outputs that can be programmed for heat or cool temperature control or to operate as process or deviation alarms.
Performance Features:
- Simplified inverse scaling programming
- INFOSENSE™ sensor technology
- User defined menu system
- Variable burst fire
- Save & Restore feature
- Human Machine Interface
- Optional infrared communications
- Dual displays
More Information:
Tempco 4100 Controller
The Tempco 4100 provides high performance at a low price with universal sensor input, fast sample rate, universal power input with 6 different outputs. It is configurable for 4 programmable outputs.
Performance Features:
- 1/4 DIN size – 96 mm x 96 mm
- Fuzzy Logic PID heat and cool control
- PID Control – Auto-tuning on cold or warm start
- Short panel depth – only 2" (53 mm) required
- Universal programmable sensor input
- Highly versatile – 6 types of output available
- Output 2 can be used for cooling function
- Universal input power, 90-264 VAC or 11-26 VAC/VDC
- NEMA 4X / IP65 front panel
- Bumpless transfer to manual mode during sensor failure
- Wide variety of alarm mode selections
- Optional RS-232 or RS-485 communications interface
- Bright 0.55" (14 mm) red LED process display
- 0.40" (10 mm) green LED setpoint display
More Information:
Tempco 8100 Controller
The 1/8 DIN Tempco 8100 features universal programmable sensor input, PID Control – Auto-tuning on cold or warm start, and optional data communications interface.
Performance Features:
- 1/8 DIN size – 96 mm x 48 mm
- Fuzzy Logic PID heat and cool control
- PID Control – Auto-tuning on cold or warm start
- Short panel depth – only 2-9/16" (65 mm) required
- Universal programmable sensor input
- Highly versatile – 6 types of output available
- Output 2 can be used for cooling function
- Universal input power, 90-264 VAC or 11-26 VAC/VDC
- Optional NEMA 4X / IP65 front panel
- Bumpless transfer to manual mode during sensor failure
- Wide variety of alarm mode selections
- Optional RS-232 or RS-485 data communications interface
- Bright 0.40" (10 mm) red LED process display
- 0.31" (8 mm) green LED setpoint display
- High performance at a very low price
More Information:
Tempco 9100 Controller
The 1/16 DIN Tempco 9100 features short panel depth, universal programmable sensor input, and a wide variety of alarm mode selections.
Performance Features:
- 1/16 DIN size – 48 mm x 48 mm
- Fuzzy Logic PID heat and cool control
- PID Control – Auto-tuning on cold or warm start
- Short panel depth – only 4-1/8" (105 mm) required
- Universal programmable sensor input
- Highly versatile – 6 types of output available
- Output 2 can be programmed as output or alarm
- Universal input power, 90-250 VAC or 11-26 VAC/VDC
- Highly accurate universal input
- Optional NEMA 4X / IP65 front panel
- Bumpless transfer to manual mode during sensor failure
- Wide variety of alarm mode selections
- Optional RS-232 or RS-485 communications interface
- Bright 0.40" (10 mm) red LED process display
- 0.31" (8 mm) green LED setpoint display
- High performance at a very low price
More Information:
Gefran 600 Controller
The Gefran 600 provides a complete operator interface protected by a Lexan membrane that ensures level IP65 faceplate protection. The main input for process variable is universal, and many types of signals can be connected, all with possibility of custom linearization using the faceplate keys.
Performance Features:
- Universal input configurable from faceplate
- Accuracy better than 0.2% f.s. under nominal conditions
- Control output: relay, logic, Triac or continuous
- Hot/cold function with selection of cooling fluid
- 3 alarms with completely configurable function
- Analog retransmission output
- Isolated digital input with configurable function
- Auxiliary input for CT (TA) (50mAac)
- Heater break or probe short-circuit alarm
- Self-tuning, Auto-tuning, Soft-start, bumpless Man/Auto function
- Double set, set ramp, timed output function
- Optically isolated RS485 serial line.
- Protocol: GEFRAN CENCAL or MODBUS RTU
- Self-diagnosis
- Rapid configuration from PC with Winstrum packet
More Information:
Gefran 800 Controller
This 1/16 DIN controller provides a complete operator interface. It has 4 keys, two green LED displays, each with 4 digits, 4 red indicating LED's for the 4 logic or relay outputs, and a further 3 LED's that are programmable to indicate the various operational states of the instrument. The main input for the process variable is universal and provides the possibility to connect many types of input sensor.
Performance Features:
- Universal input configurable from the faceplate
- Accuracy 0,2% f.s.
- Two control outputs: relay, logic or analogue with Heat/Cool function
- 3 configurable alarms
- 2 analogue outputs
- 2 digital inputs with configurable function
- Auxiliary input for C.T. or remote setpoint
- Heater Break or shortcircuit probe alarm
- Self-tuning, Soft-start, Auto-tuning, Man/Auto, Bumpless, Setpoint, Locale/Remoto
- Function multiset, rampa di set, timer
More Information:
Gefran 1200-1300 Controller
These microprocessor controllers offer 1/8DIN format for 1200 and 1/4DIN format for 1300, built with SMT technology. The main input for the variable to be controlled is universal, and allows connection of a wide variety of signals. A second auxiliary analog input from current transformer is available.
Performance Features:
- Universal input configurable from faceplate
- Accuracy better than 0.2% f.s. under nominal conditions
- Control output: relay, logic, Triac or continuous
- Hot/cold function with selection of cooling fluid
- 3 alarms with completely configurable function
- Analog retransmission output
- Up to 2 isolated digital inputs with configurable function
- Isolated digital input with configurable function
- Auxiliary input for CT (TA) (50mAac)
- Heater break or probe short-circuit alarm
- Self-tuning, Auto-tuning, Soft-start, bumpless Man/Auto function
- Double set, set ramp, timed output function
- Optically isolated RS485 serial line. Protocol: GEFRAN MODBUS RTU
- Self-diagnosis
- Rapid configuration from PC with Winstrum packet
More Information:
Gefran 1600-1800 Controller
These are microprocessor controllers, format 1/8 DIN - 1/4 DIN manufactured using SM Technology. The auxiliary input function is completely configurable. The type of input is selected from the faceplate keys and no external shunts or adapter are required. A second auxiliary isolated analogue input is available.
Performance Features:
- Universal input configurable from the faceplate
- Acquisition of the input signal every 120msec ; resolution 30000steps
- Two control outputs: relay, logic or analogue with Heat/Cool function
- 3 configurable alarms
- 2 analogue outputs (setpoint retransmission)
- 2 digital inputs with configurable function
- Auxiliary input for C.T. or remote setpoint
- Heater Break or shortcircuit probe alarm
- Self and Auto-tuning, Soft-start, Local/Remote setpoint, Auto/Man
- Function multiset, rampa di set, timer
More Information:
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