CN142 Series
Universal Temperature Process Controller
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Dual Display
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J, K, R, S Thermocouple Inputs
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Process Inputs
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RTD and Thermistor Inputs
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3 Outputs
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Alarm, Event and Timer Functions
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On/Off or PID Control
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3 Step Ramp Soak Feature
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Autotune
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Digital Input
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Password Protection
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24 to 230 Vac/Vdc
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Optional RS485
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Optional Software with Configuration Module
Description
This product series is no longer available. For possible alternates please see CN38S or CN4000_SERIES. An exact replacement will be introduced in Q1 2021.
Monitor and control temperature
or process applications with
precision using the CN142 Series
controllers. The CN142 Series
provides dual LED displays for
local indication of process value
and setpoint value. Control
methods include on/off, PID,
auto-tune and manual-tune.
Controller includes a 3 setpoint
ramp/soak control feature, and
also includes alarm, event and
timer functions with optional
RS485 communications. An
optional software package
CN-SW-HW-KIT includes cable
and configuration module for quick
configuration of units, as well as
copying configuration parameters
from one unit to another. The
configuration module can also
be purchased separately and
with a built-in battery feature,
configuration settings can be
downloaded and copied to the
module without power applied
to controller. The module can
then be plugged into a new unit
without power applied and the
configuration setting can be
transferred for easy set-up for
multiple units.
Specifications
Front Bezel: 32 x 74 mm (1.6 x 2.9")
Panel Depth: 53 mm (2.1")
Supply Voltage: 24 to 230 Vac/Vdc ±15%, 50/60 Hz
Power Consumption: 2 W
Display: Two 4-digit, 10 mm (0.4") green (SV), 8 mm (0.3") red (PV)
Accuracy: ±0.5°C temperature, 0.2% reading
Resolution: 1°/0.1° 10 µV process
A/D Conversion: Sigma-delta
Reading Rate: Programmable
Digital Filter: Programmable
Operating Conditions:
Temperature: 0 to 45°C (32 to 113°F)
Humidity: 35 to 95 RH%
Material:
Enclosure: Noryl UL94V1 self-extinguishing
Front Panel: PC ABS UL94V0 self-extinguishing
Weight: 112 g (3.95 oz)
Front Panel: IP65 (with gasket), box IP30, terminal blocks IP20
Inputs:
Thermocouple: J, K, R, S
RTD: Pt100, Pt500, Pt1000, Ni100
Thermistor: PTC1K, NTC10K (B 3435K), NTC 2252 O
Process: 4 to 20 mA, 0 to 10V, 0 to 40 mV, potentiometer 0 to 6/160 KO
Sampling Time: 4,1 ms (frequency 242 Hz)
1 Digital Input: ½ setpoint selection, hold, run (only for thermocouple, 0 to 10V, 0/4 to 20 mA, 0 to 40 mV)
Outputs:
2 Relays: 8 A to 250 Vac and 5 A to 250 Vac
DC Pulse: 12 Vdc, 30 mA
Serial Communication: RS485 Modbus ® RTU, master/slave
Control Algorithms: On/off with hysteresis, P, PI, PID, PD, time proportional
Tuning: Manual or autotune
Data Protection: Lock of command/ alarm setpoint; access to parameters by password
Alarm Modes: Absolute/threshold, band, high/low deviation; alarm with optional manual reset
Soft-Start: Rising gradient expressed as °C or °F/hour
Programmer Function: Start/stop, 3 steps pre-programmed cycle
Timer Function: Controller function + single/double timer
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