Temperature Controllers

CN740 Series

CN740 SERIES Temperature Controllers

^£130.89 CN743

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Temperature controller with Dual Display
Autotune
RS-485 Communications
Free Software
Alarm Functions
Thermocouple/ RTD Inputs
Output Status

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Description

More information about how a PID Controllers works in this link.

The Temperature controllers of the CN740 Series offer accurate temperature measurement and control in a 1/16 DIN package. Designed for direct or reverse acting (cooling or heating) control, the CN740 Series can be programmed for simple ON/OFF or more complex PID control functions. PID control is supported with manual or autotuning. Select relay, DC pulse or current output for control methods. The CN740 Series accepts a variety of thermocouple and RTD inputs. Process value and set-point value are displayed simultaneously on the large dual LED. Auto-tuning, temperature units (°F or °C), and alarm status is also indicated on the faceplate. Two alarm outputs are included on the unit with 12 preprogrammed alarm functions.

Input Types	Range
Pt100Ω RTD	0 to 100°C (32 to 212°F) -20 to 500°C (-4 to 932°F) -200 to 600°C (-328 to 1112°F)
B Thermocouple	100 to 1800°C (212 to 3272°F)
S Thermocouple	0 to 1700°C (32 to 3092°F)
R Thermocouple	0 to 1700°C (32 to 3092°F)
N Thermocouple	-200 to 1300°C (-328 to 2372°F)
E Thermocouple	0 to 600°C (32 to 1112°F)
T Thermocouple	-20 to 400°C (-4 to 752°F) -200 to 400°C (-328 to 752°F)
J Thermocouple	-20 to 400°C (-4 to 752°F) -100 to 850°C (-148 to 1562°F)
K Thermocouple	-200 to 1300°C (-328 to 2372°F) -200 to 500°C (-328 to 932°F)
L Thermocouple	-200 to 500°C (-328 to 932°F)
U Thermocouple	-200 to 800°C (-328 to 1472°F)

Specifications
Inputs: Thermocouple, RTD, see chart
Display: Two 4-digit, 7 segment 6.35 mm high LEDs
PV: Red
SV: Green
Accuracy: ±0.25% span, ±1 least significant digit
Supply Voltage: 100 to 240 Vac, 50/60 Hz
Power Consumption: 5 VA max
Operating Temperature: 0 to 50°C
Memory Backup: Nonvolatile memory
Control Output Ratings:
Relay: SPST, 5A @ 250 Vac resistive
Voltage Pulse: 14 Vdc, 10 to -20% (max 40 mA)
Current: 4 to 20 mA
Communication: RS-485 MODBUS^® communication protocol
Panel Cut-Out: 45 mm square
Maximum Panel Thickness: 9.50 mm
Weight: 114 g
Front Panel Rating: IP66

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† All amounts shown in EUR, GBP, or USD
Note: Comes with operator's manual.
* Free CN7-A software download