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C72 Low Cost Temperature Controller Specification


Power 


Power Supply

90 to 250 VAC, 47–63 Hz ; 11 to 40 VDC / 20 to 28 VAC, 47– 63 Hz

Power Consumption

12VA, 6W maximum


Signal Input


Type

Thermocouple(J,K,T,E,B,R,S,N,L,U,P,C,D), RTD(PT100(DIN), PT100(JIS)), Current(mA),Voltage(Volts)

Resolution

18 Bits

Sampling Rate

5 Times / Second (200msec)

Maximum Rating

-2VDC minimum, 12VDC maximum

Input Characteristics

Type

Range

Accuracy @ 25°C

Input Impedance

J

-120°C  to 1000°C( -184°F to 1,832°F)

±2°C

2.2 MΩ

K

-200°C to 1370°C (-328°F to 2498°F)

±2°C

2.2 MΩ

T

-250°C to 400°C ( -418°F to  752°F )

±2°C

2.2 MΩ

E

-100°C to 900°C( -148°F to 1652°F )

±2°C

2.2 MΩ

B

0°C to 1820°C( 32°F to  3308°F )

±2°C( 200°C to 1800°C )

2.2 MΩ

R

0°C to 1767.8°C( 32°F to 3214°F )

±2°C

2.2 MΩ

S

0°C to 1767.8°C( 32°F to 3214°F )

±2°C

2.2 MΩ

N

-250°C to 1300°C( -418°F to 2372°F)

±2°C

2.2 MΩ

L

-200°C to 900°C( -328°F to 1652°F )

±2°C

2.2 MΩ

U

-200°C to 600°C (-328°F to 1112°F)

±2°C

2.2 MΩ

P

0°C to 1395°C( 32°F to 2543°F )

±2°C

2.2 MΩ

C

0°C to 2300°C( 32°F to 4172°F )

±2°C

2.2 MΩ

D

0°C to 2300°C( 32°F to 4172°F )

±2°C

2.2 MΩ

PT100(DIN)

-200°C to 850°C( -328°F to 1562°F )

±0.4°C

1.3KΩ

PT100(JIS)

-200°C to 600°C( -328°F to 1112°F )

±0.4°C

1.3KΩ

mA

-3mA  to 27mA

±0.05%

2.5Ω

V

-1.3V  to 11.5V

±0.05%

1.5MΩ





Temperature Effect

1.5µV /°C for all inputs except mA input, 3.0µV /°C for mA

Sensor Lead Resistance Effect

Thermocouple: 0.2 µV /Ω; 3-wire RTD: 2.6°C /Ω of Difference of Resistance of two leads 2-wire RTD: 2.6°C /Ω of Sum of Resistance of two leads

Burn-out Current

200nA

Common Mode Rejection Ratio(CMRR)

120 dB

Normal Mode Rejection Ratio (NMRR)

55dB

Sensor Break Detection

Sensor open for Thermocouple and RTD inputs, sensor short for RTD  input , below 1mA for 4-20mA input, below 0.25V for 1 - 5V input, not available for other inputs

Sensor Break Responding Time

Within 4 seconds for Thermocouple and RTD inputs, 0.1 second for 4-20mA and 1 - 5V inputs


Remote Set Point Input


Type

Linear Current,Linear Voltage

Range

-3mA to 27mA,  -1.3V  to 11.5V

Accuracy

±0.05 %

Remote Set Point  Option

Available

Input Impedance

Current: 2.5Ω, Voltage:1.5MΩ

Resolution

18 Bits

Sampling Rate

1.66 Times/Second

Maximum Rating

280mA maximum for Current Input, 12VDC maximum for Voltage Input

Temperature Effect

±1.5µV/°C for Voltage Input , ±3.0µV/°C for Current Input

Sensor Break Detection

Below 1mA for 4-20mA input, below 0.25V for 1 - 5V input, not available for other inputs

Sensor Break Responding Time

0.1 Seconds


Event Input


No. of Event Inputs

2

Logic Low

-10V minimum, 0.8V maximum.

Logic High

2V minimum, 10V maximum

Functions

See availability table in user manual


CT Input


CT Type

CT98-1

Accuracy

±2%of Full Scale Reading, ±0.2A

Input Impedance

294Ω

Measurement Range

0 to 50A AC

Output of CT

0 to 5V DC

CT Mounting

Wall (Screw) Mount

Sampling Rate

1 Time/Second


Output 1 /Output 2


Type

Relay,Pulsed Voltage,Linear Voltage and Linear Current

Relay Rating

2A,240V AC,200000 Life Cycles for Resistive Load

Pulsed Voltage

Source Voltage 5V,Current Limiting Resistance 66Ω

Linear Output Resolution

15 Bits

Linear Output Regulation

0.02% for full load change

Linear Output Settling Time

0.1 Second ( Stable to 99.9%)

Isolation Breakdown Voltage

1000 V AC

Temperature Effect

±0.01% of  Span/ °C

Load Capacity of Linear Output

Linear Current: 500Ω maximum, Linear Voltage: 10KΩ  minimum


Alarm


Relay Type

Form A

Maximum Rating

2A,240V AC,200000 Life Cycles for Resistive Load

Alarm Functions

Dwell Timer, Deviation Low, Deviation High, Deviation Band Low, Deviation Band High, Process High, Process Low

Alarm Mode

Latching, Hold, Normal, Latching/Hold

Dwell Timer

0.1 to 4553.6 Minutes


Data Communication


Interface

RS-485

Protocol

Modbus RTU (Slave Mode)

Address

1 to 247

Baudrate

2.8KBPS to 115.2 KBPS

Parity Bit

None, Even or Odd

Stop Bit

1 or 2 Bits

Data  Length

7 or 8 Bits

Communication Buffer

160 Bytes


Analog Retransmission


Output Signal

4-20 mA, 0-20 mA,0 - 10V

Resolution

15 Bits

Accuracy

±0.05% of Span ± 0.0025% / °C

Load Resistance

0 to 500Ω for Current Output , 10KΩ minimum for Voltage Output

Output Regulation

0.01% for full load change

Output Setting Time

0.1 Second (Stable to 99.9%)

Isolation Breakdown

1000VAC minimum

Integral Linearity Error

±0.005% of Span

Temperature Effect

±0.0025% of Span /°C

Saturation Low

0mA or 0V

Saturation High

22.2mA or 5.55V,11.1V min

Linear Output Ranges

0 - 22.2mA (0 - 20mA/4 - 20mA), 0 - 5.55V (0 - 5V, 1 - 5V),0 - 11.1V (0 - 10V)


User Interface


Keypad

4 Keys

Display Type

4 Digit LCD Display

No. of Display

3

Upper Display Size

0.58”(15mm)

Lower Display Size

0.32”(8.3mm)


Programming Port


Interface

Micro USB

PC Communication Function

Automatic Setup, Calibration and Firmware Upgrade


Control Mode


Output 1

Reverse (Heating) or Direct (Cooling) Action

Output 2

PID cooling control, Cooling P band 50~300% of PB, Dead band -36.0 ~ 36.0 % of PB

ON-OFF

0.1 - 90.0 (°F ) hysteresis control ( P band = 0)

P or PD

0 - 100.0 % offset adjustment

PID

Fuzzy logic modified Proportional band 0.1 ~ 900.0°F, Integral time 0 – 3600 Seconds,Derivative time 0 - 360.0 Seconds

Cycle Time

0.1 to 90.0 Seconds

Manual Control

Heat(MV1) and Cool(MV2)

Auto-tuning

Cold Start and Warm Start

Failure Mode

Auto transfer to manual mode while sensor break or A-D Converter damage

Ramping Control

0 to 900.0°F/Minute or 0 to 900.0°F/Hour Ramp Rate


Digital Filter


Function

First Order

Time Constant

0,0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 Seconds Programmable


Profiler


Availabiity

Option

No of Segments/Program

4 / 8 / 16


Environmental and Physical Specifications


Operating Temperature

-10°C to 50°C

Storage Temperature

-40°C to 60°C

Humidity

0 to 90 % RH (Non-Condensing)

Altitude

2000 Meters maximum

Pollution

Degree II

Insulation Resistance

20MΩ minimum(@500V DC)

Dielectric Strength

2000V AC,50/60 Hz for 1 Minute

Vibration Resistance

10 to 55 Hz , 10m/s2 for 2 Hours

Shock Resistance

200 m/s2(20g)

Moldings

Flame Retardant Polycarbonate

Mounting

Panel

Dimensions (W*H*D) (mm)

72*72*59

Depth Behind Panel (mm)

50

Cut Out Dimensions (mm)

68*68

Weight (grams)

190


Approval Standards


Safety

UL61010-1, CSA 22.2 No. 61010-1-12, EN61010-1 ( IEC1010-1 )

Protective Class

IP66 for Panel, IP20 for terminals and housing, all indoor use

EMC

EN61326



Ordering Code



C72


1

2

3

4

5

6

7

8

9



 

1 Power Input

4: 90 to 250 V AC, 47-63Hz
5: 11 to 40 VDC / 20 to 28 VAC, 47– 63Hz

2 Output 1

1: Form A Relay
2: SSRD, 5V / 30mA
3: Isolated 4 - 20mA / 0 - 20mA (OM98-3)
5: Isolated 0 - 10V (OM98-5)
C: SSRD, 14V / 40mA (OM94-7)

3 Output 2 / Alarm 1

0: None
1: Form A Relay
2: SSRD, 5V/30mA
3: Isolated 4 - 20mA / 0 - 20mA (OM98-3)
5: Isolated 0 - 10V (OM98-5)
C: SSRD, 14V/40mA (OM94-7)

4 Alarm 2 to 3

0: None
1: Form A Relay on Alarm 2
2: Form A Relay on Alarm 2 to 3

5 Event Inputs

0 : None
1: 2 Event Inputs

6 Option 1

0: None
1: RS-485 and Remote Setpoint

7 Option 2

0: None
1: 1 CT Input and Remote Setpoint
2: 2 CT Inputs and Remote Setpoint

8 Option 3

0: None 
1: Retransmit 4 - 20mA / 0 - 20mA (CM98-3) and Remote Setpoint
2: Retransmit 0 - 10V (CM98-5) and Remote Setpoint
3: Alarm 4 and Remote Setpoint

9 Option 4

0: None
1: Terminal Cover
2: Ramp & Soak Profiler
3: Terminal cover and Ramp & Soak Profiler





* Remark : Specifications are subject to change without prior notice