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T4811102, Red Lion Controls T4811102 Dáileacháin - Electronics-ic.com
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OPID CONTROL WITH REDUCED OVERSHOOT
OON DEMAND AUTO-TUNING OF PID CONTROL SETTINGS
ODUAL LED DISPLAYS FOR SIMULTANEOUS INDICATION OF
OSTATUS INDICATORS FOR OUTPUTS AND CONTROL MODES
OACCEPTS 10 TYPES OF SENSOR INPUTS (Thermocouple or RTD)
OOPTIONAL HEATER CURRENT MONITOR AND HEATER BREAK
OSETPOINT RAMPING FOR PROCESS STARTUP
OPROGRAMMABLE USER INPUT (Digital) FOR ADDED FLEXIBILITY
OSENSOR ERROR COMPENSATION (Offset) AND BREAK
OHEATING AND OPTIONAL COOLING OUTPUTS
OPARAMETER SECURITY VIA PROGRAMMABLE LOCKOUTS
OFIELD REPLACEABLE OUTPUT BOARD
(Relay or Logic/SSR Drive)
OOPTIONAL REMOTE SETPOINT INPUT (0/4 to 20 mA)
OOPTIONAL RS485 SERIAL COMMUNICATIONS
OPC SOFTWARE AVAILABLE FOR CONTROLLER CONFIGURATION
The T48 Controller accepts signals from a variety of temperature sensors
(thermocouple or RTD elements), precisely displays the process temperature,
and provides an accurate output control signal (time proportional or linear DC)
to maintain the process at the desired temperature. The controller’s
comprehensive yet simple programming allows it to meet a wide variety of
The controller operates in the PID control mode for both heating and cooling,
with on-demand auto-tune, which will establish the tuning constants. The PID
tuning constants may be fine-tuned by the operator at any time and then locked
out from further modification. The controller employs a unique overshoot
suppression feature, which allows the quickest response without excessive
overshoot. The unit can be transferred to operate in the manual mode, providing
the operator with direct control of the output. The controller may also be
programmed to operate in the ON/OFF control mode with adjustable hysteresis.
A second setpoint is available on select models to allow quick selection of a
Dual 4-digit displays allow viewing of the process temperature and setpoint
simultaneously. Front panel indicators inform the operator of the controller and
output status. On many models the main control output and the alarm outputs
Optional alarm(s) can be configured to activate according to a variety of actions
(Absolute HI or LO, Deviation HI or LO, Band IN or OUT, and Heater Current
Break) with adjustable hysteresis. A standby feature suppresses the alarm during
power-up until the temperature stabilizes outside the alarm region. The second
alarm can be configured as a secondary PID output (heat/cool applications).
Optional Main Linear DC output (10 V or 20 mA) can be used for control or
temperature re-transmission purposes. Programmable output update time
reduces valve or actuator activity. The output range can be scaled independent
of the input range.
Optional Second Linear DC output (10 V or 20 mA) provides an independent
temperature re-transmission, while the main Linear DC output is being used for
control. The output range can be scaled independent of the input range.
Optional Heater Current Monitor provides a direct readout of process heater
current. An alarm can be programmed to signal when the heater has failed. This
provides early warning of system failure before product quality is affected.
MODEL T48 - 1/16 DIN TEMPERATURE CONTROLLER
DIMENSIONS In inches (mm)
CAUTION: Risk of Danger.
Read complete instructions prior to
installation and operation of the unit.
CAUTION: Risk of electric shock.
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
T4811102 Achoimre na n-ábhar
1 O PID CONTROL WITH REDUCED OVERSHOOT O ON DEMAND AUTO-TUNING OF PID CONTROL SETTINGS O NEMA 4X/IP65 BEZEL O DUAL LED DISPLA YS FOR SIMUL T ANEOUS INDICA TION OF TEMPERA TURE AND SETPOINT O ST A TUS INDICA TORS FOR OUTPUTS AND CONTROL MODES O ACCEPTS 10 TYPES OF SENSOR INPUTS (Thermocouple or R TD) O OPTIONAL HEA TER CURRENT MONITOR AND HEA TER BREAK ALARM O OPTIONAL DUAL ALARM OUTPUTS O OPTIONAL TWO LINEAR DC OUTPUTS (0 to 10 V , 0/4 to 20 mA) O MANUAL/AUTOMA TIC CONTROL MODES O SETPOINT RAMPING FOR PROCESS ST ARTUP O PROGRAMMABLE USER INPUT (D igital) F O R ADDED FLEXIBILITY O SENSOR ERROR
2 Optional Remote Setpoint input (0/4 to 20 mA) allows for cascade control loops, where tighter control is required; and allows for remotely driven setpoint signal from computers or other similar equipment. Straightforward end point scaling with independent filtering and local/remote transfer option expand the controller ’ s flexibility . The optional RS485 serial communication interface provides two-way communication between a T48 and other compatible equipment such as a printer , PLC, HMI, or a host computer . In multipoint applications (up to thirty-two), the address number of each T48 o
3 Outside band acting Heater break alarm Reset Action : Programmable; automatic or latched S tandby Mode : Programmable; enable or disable Hysteresis : Programmable Probe Br eak Action : Upscale Annunciator : LED backlight for “A1”, “A2” 13. COOLING: Software selectable (overrides alarm 2) Control : PID or ON/OFF Output : T ime Proportioning Cycle time : Programmable Proportional Gain Adjust : Programmable Heat/Cool Deadband Overlap : Programmable 14. MAIN AND SECOND LINEAR DC OUTPUT : (optional) Main : Control or Re-transmission, programmable update rate from 0.1 sec to 250 sec Secon
4 BASIC OPERA TION The T48 controls a process temperature by measuring the temperature via an input probe, then calculating a control output power value by use of a modified PID control algorithm. The unit controls the system with the new output power value to keep the process temperature at setpoint. The PID control algorithm incorporates features which provide for high control accuracy and low temperature overshoot from process disturbances. FRONT P ANEL FEA TURES In the normal operating mode, the unit displays the process temperature in the upper display . One of the following parameters c
5 CONTROLLER PROGRAMMING Front Panel Program Disable allows all of the controller ’ s set-ups to be locked-out from further operator intervention after the initial set-up. The following four programming modes allow the controller to adapt to any required user-interface level: Unprotected Parameter Mode Protected Parameter Mode Hidden Function Mode Configuration Parameter Mode UNPROTECTED P ARAMETERS MODE * The Unprotected Parameters Mode is accessible from the Normal Display Mode when program disable is inactive or when the proper access code number from the Protected Parameter Mode is ente
MUL TIPLE UNIT ST ACKING The T48 is designed for close spacing of multiple units. Units can be stacked either horizontally or vertically . For vertical stacking, install the panel latch with the screws to the sides of the unit. For horizontal stacking, the panel latch screws should be at the top and bottom of the unit. The minimum spacing from center line to center line of units is 1.96" (49.8 mm). This spacing is the same for vertical or horizontal stacking. Note: When stacking units, pr ovide adequate panel ventilation to ensur e that the maximum operating temperatur e range is not exc
MUL TIPLE UNIT/REMOTE SETPOINT APPLICA TION Eight T48 controllers are used in a drying oven. Each T48 controls a zone within the oven. Depending upon the material to be dried, and its initial moisture content, the drying setpoint temperature varies. A master T48 controller transmits setpoint via linear DC output. This signal is received as a remote setpoint signal by the other slave controllers. Whenever the master controller ’ s setpoint is changed, the slave controller ’ s setpoint changes automatically . The remote setpoint input at each slave controller can be scaled independently . 7
MODELS WITH RS485 OR LINEAR DC ANALOG OUTPUT ORDERING INFORMA TION Options and Output Boards are factory configured per the part number specified. Part numbers without replacement output boards listed must be returned to the factory for output board replacement. MODELS WITHOUT RS485 AND LINEAR DC ANALOG OUTPUT NA RBD4821 1 RBD4821 1 RBD4821 1 RBD4821 1 RBD48200 RBD481 1 1 RBD481 1 1 RBD481 1 1 RBD481 1 1 RBD48100 REPLACEMENT OUTPUT BOARD Logic/SSR T4832200 T4832210 Logic/SSR T riac Relay T4821 104 T4821 1 14 YES Relay Logic/SSR Relay T4821 103 T4821 1 13 YES Relay Logic/SSR Relay T4821 100 T4
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eochairfhocail a bhaineann le T4811102
Red Lion Controls T4811102
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Ceisteanna Coitianta / Cabhair
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