1/4 DIN Ramp/Soak Temperature/Process Controllers with Modular Outputs and Communications |
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Dual PID + Fuzzy Logic Control
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Up to Five Outputs– Control, Alarm or Event
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Universal Sensor Input
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Switching Power Supply 100 to240 Vac or Optional 12 to 24 Vac/Vdc
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NEMA-4X Hosedown Front Panel
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16-Segment Ramp/ Soak Program
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Optional RS-232, RS-422, RS-485 Digital Communications
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Programmable Remote Setpoint Input (Standard)
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Modular Outputs
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View related products - Temperature and Process Controllers and Power Switching Devices
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The CN3251 1/4 DIN temperature and
process controller is a low cost, high
performance single loop controller
that can be used for temperature,
flow, pressure and level control
applications. With universal sensor
inputs and front panel operator
setup, one CN3251 controller can be
easily field configured for a wide
variety of applications, and simply
reconfigured as application needs
change. This makes it an
exceptional choice for applications
requiring multiple control needs,
manufacturing facilities, testing
facilities and testing applications.
Input Types and Ranges
| Input Type | Range | Accuracy @ 77°F/25°C ambient
(all ±% of sensor span) |
| J Iron Constantan | -73 to 760°C
-100 to 1400°F | 0.20% |
| K CHROMEGA™ ALOMEGA™ | -184 to 1316°C
-300 to 2400°F | 0.20% |
| T Copper Constantan | -212 to 399°C
-350 to 750°F | 0.4% for PV <-80°C
0.2% for PV >-80°C |
| E CHROMEGA™ Constantan | -73 to 593°C
-100 to 1100°F | 0.20% |
| R Pt-13%Rh/Pt | -18 to 1760°C
0 to 3200°F | 0.40% |
| S Pt-10%Rh/Pt | -18 to 1760°C
0 to 3200°F | 0.40% |
| B Pt-30%Rh/Pt-6%Rh | 10 to 1816°C
50 to 3300°F | 0.4% for PV >538°C |
| RTD Pt, 385 100 ohm | -128 to 538°C
-200 to 1000°F
-73.3 to 482.2°C
-99.9 to 899.9°F | 0.20% |
| 4 to 20 mA | Scalable (-500 to 5000) | 0.20% |
| 0 to 5 Vdc | Scalable (-500 to 5000) | 0.20% |
| 1 to 5 Vdc | Scalable (-500 to 5000) | 0.20% |
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† Price are shown in RMB.
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Part Number Builder |
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Option Descriptions
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(1)
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Control Output Options
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Select
R for Single Mechanical Relay
RR for Dual Mechanical Relays
T for Single ac SSR
TT for Dual ac SSR
F for Single 4 to 20 mA or 1 to 5 V
FF for Dual 4 to 20 mA or 1 to 5 V
DD for Dual dc Pulse Drivers
FR for Output 1 4 to 20 mA or 1 to 5 V Output 2 Mechanical Relay
DR for Output 1 dc Pulse Output 2 Mechanical Relay
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Options
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Select
Nothing(leave field blank) for No Options
-A for Dual Alarm Event Relay
-PV for Recorder Output 4 to 20 mA or 1 to 5 V
-LV for 12 To 24 Vdc or Vac Power
-S2 for RS232 Communications
-S4 for RS485 Communications
-A-PV for Dual Alarm Event Relays with a Recorder Output
-A-S2 for Dual Alarm Event Relays with RS232 Communications
-A-S4 for Dual Alarm Event Relays with RS485 Communications
-S2-PV for RS232 Communication and Recorder Output
-S4-PV for RS485 Communication with Recorder Output
-LV-S2-PV for Low Voltage Power with RS232 Communication and a Recorder Output
-LV-S4-PV for Low Voltage Power with RS485 Communication and a Recorder Output
-LV-A-S4-PV for Low Voltage Power Dual Alarm Event Relays wth RS485 Communication and a Recorder Output
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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Related Links -
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CN3101:
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