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Dual Display Process Controller
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Autotune Algorithm
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Universal Input
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Alarm Functions
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Fuzzy Logic
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Loop Break Protection
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Peak/Valley Indication
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Percent Output Indication
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Illuminated Keypad
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4 Password Protected Security Levels
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Optional Isolated PV or SV Retransmission Outputs
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Optional RS232/RS485 Communications
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Optional Low-Voltage Power
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Free Software
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UL and cUL Certified
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View related products - Controllers
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The CN78000 Series process controllers are
fully programmable compact units
with a variety of features that
include: universal input, self-tune
PID, fuzzy logic and dual 4-digit
LED displays for process and set
point values. User can select from
thermocouple, RTD, current or
voltage inputs AC SSR, relay, DC
pulse, and proportional current
outputs. A programmable alarm
(optional) can be reset automatically
or manually. The front panel is
waterproof and corrosion-resistant
(UL Type 4-X), making it ideal for
sanitary applications. Electronics
can be replaced without wiring
changes through a removable front
panel. Self-diagnostics, nonvolatile
memory and selectable control
modes are all also available and
greatly increase productivity. Four
security levels are password
protected. For optimal PID control,
the on/off, P, PI or PID manual-tune
control functions can be selected,
or the controller will
autotune automatically.
The CN78000 offers an excellent
array of standard features as well as
peak/valley indication, percent
output indication, digital input filter,
among others.
| Input Types | Range |
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| K Thermocouple | -129 to 1371°C (-200 to 2500°F) |
| J Thermocouple | -73 to 871°C (-100 to 1600°F) |
| T Thermocouple | -212 to 398°C (-350 to 750°F) |
| E Thermocouple | -73 to 982°C (-100 to 1800°F) |
| N Thermocouple | -73 to 1300°C (-100 to 2372°F) |
| R Thermocouple | -17 to 1760°C (0 to 3200°F) |
| S Thermocouple | -17 to 1760°C (0 to 3200°F) |
| B Thermocouple | 24 to 1820°C (75 to 3308°F) |
| L(J DIN) Thermocouple | -73 to 871°C (-100 to 1600°F) |
| CThermocouple | -17 to 2320°C (0 to 4208°F) |
| Pt100 RTD (0.00385) | -200 to 875°C (-328 to 1607°F) |
| Pt100 RTD (0.00392) | -200 to 875°C (-328 to 1607°F) |
| RTD, 120 Ω Nickel (0.00628) | -80 to 320°C (-112 to 608°F) |
| RTD, Pt1000 (0.00385) | -200 to 875°C (-328 to 1607°F) |
| 0 to 20 mA*, 4 to 20 mA* | -1999 to 9999 |
| 0 to 10Vdc*, -10 to 10 Vdc*, -10 to 10 mVdc* | -1999 to 9999 |
Note: All thermocouple and RTD inputs can be set for 0.1° display. If temperature
goes above 999.9° or below -199.9°, the display will return to whole-degree resolution.
* Process Input Types: The 0 to 20 mAdc, 4 to 20 mAdc, 0 to 10 Vdc, 2 to 10 Vdc,
and -10 to 10 mVdc inputs are fully scalable from a minimum of 100 counts span
placed anywhere within the range of -1999 to 9999. Decimal point position is
adjustable from the zero place (9999), tenths (999.9), hundredths (99.99) or
thousandths (9.999). |
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† All dollar amounts on this site are shown in US currency.
Ordering Example: (1) CN78133-PV1 Dual output controller, relay/relay and alarm, 0 to 20 mA isolated retransmission output, USD$20,440.00
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Part Number Builder |
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Option Descriptions
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(1)
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Alarm
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Select
1 for Alarm
0 for No alarm
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(2)
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Output 1
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Select
3 for Relay
2 for DC Pulse
1 for AC SSR
5 for 4 to 20 mA
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(3)
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Output 2
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Select
0 for no output
3 for Relay
1 for AC SSR
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(4)
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Additional Options
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Select
Nothing(leave field blank) for None
-C4 for RS485 communications
-C2 for RS232 communications
-PV1 for 0 to 20 mA isolated retransmission outpu
-PV2 for 0 to 10 Vdc isolated retransmission output
-LV for 12 to 24 Vdc/Vac power
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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