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NEMA 4X (IP66) Front Panel Standard
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Universal Power Supply
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User-Selectable Ramp to Setpoint
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Smooth Auto/Manual Operation
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Optional RS232 or RS485 Communications
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Autotuning Heat or Cool
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Thermocouple, RTD, Voltage, or Current Input
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Plug-In Outputs Modules (Field Installable)
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Dual Outputs and Alarms
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Optional Heater Break Alarm, Remote Setpoint, Transducer Power Supply, and Recorder Output
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View related products - Temperature and Process Controllers and Power Switching Devices
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The CN8500 Series temperature
controller is versatile and
user-friendly. The operator needs to
review only those parameters
relevant to the particular application.
A dual digital display offers optimal
process information at a glance.
The dedicated upper display shows
the process temperature, while the
lower display displays setpoint and
setup parameters. Individual LEDs identify the status outputs, alarms,
digital communications, and special
options. The CN8500 Series
features a NEMA 4X front panel and
a universal power supply that
accepts 103 to 253 Vac and
103 to 330 Vdc.
Control algorithms available are P,
PI, PD, PID, and on/off. The
autotune feature automatically sets
proportional band, rate, and reset
before the process reaches
setpoint. These parameters provide
quick stabilization of both the
heating and cooling process without
overshoot, hunting, or cycling. The
standard dual control outputs can
be configured in a variety of control
and alarm applications such as
heat, heat/cool, heat/alarm, cool, or
cool/alarm. The ramp-to-setpoint
feature allows the user to define the
rate of rise to reach the setpoint,
thus minimizing thermal shock to
the load during start-up.
SPECIFICATIONS| Input Code | Type | Range | Resolution |
| TC | J
Iron-constantan | -18 to 760°C | 1°C |
| 0 to 1400°F | 1°F |
K
CHROMEGA™-ALOMEGA | -18 to 1349°C | 1°C |
| 0 to 2460°F | 1°F |
T
Copper-constantan | -129 to 316°C | 1°C |
| -200 to 600°F | 1°F |
N
OMEGALLOY™ | -18 to 1299°C | 1°C |
| 0 to 2370°F | 1°F |
R
Pt/13% Rh-Pt | -18 to 1299°C | 1°C |
| 0 to 3200°F | 1°F |
S
Pt/10% Rh-Pt | -18 to 1299°C | 1°C |
| 0 to 3200°F | 1°F |
| RTD | RTD
3-wire, 100 Ω Pt | -200 to 850°C | 1°C |
| -328 to 1562°F | 1°F |
RTD
3-wire, 100 Ω Pt | -128.8 to 232.2°C | 0.1°C |
| -199.0 to 450.0°F | 0.1°F |
| V5 | 1 to 5 V | Scalable (-1999 to 9999) | Selectable |
| 0 to 5 V |
| V10 | 2 to 10 V | Scalable (-1999 to 9999) | Selectable |
| 0 to 10 V |
| MV | 10 to 50 mV | Scalable (-1999 to 9999) | Selectable |
| 0 to 50 mV |
| MA | 4 to 29 mA | Scalable (-1999 to 9999) | Selectable |
| 0 to 20 mA |
Performance
Accuracy: ±0.2% FS, ±1 digit
Setpoint Resolution: 1 count/0.1 count
Repeatability: ±1.0 count
Temperature Stability: 5 µV/°C max; 3 ìV/°C typical
Thermocouple Cold-Junction Tracking: 0.05°C/°C ambient
Common Mode Rejection: >100 dBA
Series Mode Rejection: >70 dBA
Process Sampling: 10 Hz (100 ms)
Inputs
Thermocouple Lead Resistance: 100 Ω max for rated accuracy
Response Time: 0.1, 1.0 or 10 s
Decimal Position: Selectable
Outputs
Output #1: Reverse acting (heating)
Output #2: Direct acting (cooling)
Mechanical Relay: Rated 5 A @ 120 Vac, 3 A @ 240 Vac
Current: 4 to 20 mA, 500 Ω max
Voltage: 20 Vdc pulse, 1 kΩ min load
Triac: Solid state relay, 120/240 Vac, zero voltage switched rated 1 A continuous, 10 A surge @ 25°C (77°F)
Alarms: Optically isolated triac rated 1 A, 120/240 Vac @ 25°C (77°F)
Control Characteristics
Setpoint Limits: Limited to configured range for thermocouple and RTD; limited to scaled range
Alarms: Adjustable for high/low, process or deviation
Rate: 0 to 900 s
Reset: 0 to 3600 s
Cycle Time: 0.2 to 120 s
Gain: 0 to 400
Gain Ratio: 0 to 2.0 (in 0.1 increments)
On/Off Deadband: 1 to 100 counts
Spread (Output 2): 0 to 100 counts (above setpoint)
Damping: Adjustable (low, normal or high)
Ramp to Setpoint: 1 to 100 minutes
Autotune: Operator-initiated from front panel
Manual Control: Operator-initiated from front panel
General
Power: 115 to 230 Vac ±10%, 50/60 Hz; 115 to 300 Vdc ±10% (auto-polarity)
Display: Dual LED, 4-digit process display, green menu/parameter display; 9.2 mm (0.37") high for 1/8 DIN models; 14 mm (0.55") process display for 1/4 DIN units
Power Consumption: Less than 6 VA (instrument) @ 120 Vac
Weight (1/8 DIN): 0.34 kg (12 oz)
Weight (1/4 DIN): 0.425 kg (15 oz)
Panel Cutout (1/8 DIN): 45 x 92 mm (1.772 x 3.622")
Panel Cutout (1/4 DIN): 92 mm (3.622") square
Dimensions (1/8 DIN Horizontal): 53 x 100 mm (2.1 x 3.95"); 18.3 mm (0.72") depth
Dimensions (1/4 DIN): 100 W x 100 H x 18.3 min bezel (3.95 x 3.95 x 0.72")
Panel Depth: 100 mm (3.937")
Front-Panel Rating: NEMA 4X (IP66)
Operating Ambient Range: 0 to 55°C (32 to 131°F) @ 90% RH max, non-condensing
Memory Protection: Solid state non-volatile memory
Connections: Rear barrier strip with locking terminals
Contacts: Twin bifurcated
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† All dollar amounts on this site are shown in US currency.
Note: OMEGACARESM extended warranty program is available for models shown on this page. Ask your sales representative for full details when placing an order. OMEGACARESM covers parts, labor and equivalent loaners.
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Part Number Builder |
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Option Descriptions
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(1)
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Model
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Select
41 for 1/8 DIN vertical Single output
42 for 1/8 DIN vertical Dual output
51 for 1/8 DIN horizontal Single output
52 for 1/8 DIN horizontal Dual output
61 for 1/4 DIN Single output
62 for 1/4 DIN Dual output
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(2)
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Input
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Select
TC for Thermocouple
RTD for RTD
MV for Voltage to 50 mV
MA for Current to 20 mA
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(3)
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Output Types
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Select
-R1 for 5 A Relay 1st Output-Heat Only
-R2 for 5 A Relay 2nd Output-Cool Only
-T1 for 1 A SSR 1st Output-Heat Only
-T2 for 1 A SSR 2nd Output-Cool Only
-F1 for 4 to 20 mA 1st Output-Heat Only
-F2 for 4 to 20 mA 2nd Output-Cool Only
-DC1 for 20 Vdc Pulse 1st Output-Heat Only
-DC2 for 20 Vdc Pulse 2nd Output-Cool Only
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(4)
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Output Types
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Select
Nothing(leave field blank) for Single Output Model
-R1 for 5 A Relay 1st Output-Heat Only
-R2 for 5 A Relay 2nd Output-Cool Only
-T1 for 1 A SSR 1st Output-Heat Only
-T2 for 1 A SSR 2nd Output-Cool Only
-F1 for 4 to 20 mA 1st Output-Heat Only
-F2 for 4 to 20 mA 2nd Output-Cool Only
-DC1 for 20 Vdc Pulse 1st Output-Heat Only
-DC2 for 20 Vdc Pulse 2nd Output-Cool Only
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(5)
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Options
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Select
Nothing(leave field blank) for None
-AL1 for Single alarm
-AL2 for Dual alarms
-C2 for RS232 communications
-C4 for RS485 communications
-XP1 for Transducer power supply 15 Vdc
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(6)
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Other Options Only 1 Option Available Per Unit
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Select
Nothing(leave field blank) for None
-PV3 for Recorder output 4 to 20 mA
-PV4 for Recorder output 0 to 5 Vdc
-HB1 for Heater break alarm 0 to 20 A
-HB2 for Heater break alarm 0 to 60 A
-RSP4 for Remoter setpoint 0 to 5 Vdc
-RSP5 for Remote setpoint 1 to 5 Vdc
-RSP6 for Remote setpoint 0 to 20 Vdc
-RSP7 for Remote setpoint 4 to 20 Vdc
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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