Syrelec, Brand of Crouzet Control Digital temperature controllers CTH, Digital temperature controllers CTD Data Sheet

Digital temperature controllers CTH/CTD

➜ CTD 43/46

CTH 46

■ Heating / cooling function

■ Measurement and setpoint display CTD 43

CTD 43

■ Heating or cooling function

■ Measurement display

■ Measurement deviation display-Setpoint via LED

■ 1 configurable alarm CTD 46

CTD 46

■ Heating or cooling function

■ Measurement and setpoint display

■ 1 configurable alarm

Specifications

Type Supply voltage Output Code

CTH 46 100 ➞ 240 V AC Relay 89 422 508

24 V AC DC Relay 89 422 502

CTD 43 100 ➞ 240 V AC Relay 89 421 108

24 V AC DC Relay 89 421 102

CTD 46 100 ➞ 240 V AC Relay 89 422 108

24 V AC DC Relay 89 422 102

Logic 89 422 518

Logic

Logic 89 421 118

Logic 89 421 112

Logic 89 422 118

Logic 89 422 112

89 422 512

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Connections

CTH 46 relay output CTH 46 logic output CTD 43 relay output

Supply

B

Main output 250 V AC / 3A resistive

C

Cool output 250 AC / 1 A resistive

D

14-15 : Input 50 mA AC (Current

E

transformer connected for load break
monitoring or selection of 2nd setpoint)

CTD 43 logic output

Supply

B

Main output 0-24 V DC / 20 mA max

C

Cool output 250 V AC / 1 A rtesistive

D

14-15 : Input 50 mA AC (Current

E

transformer connected for load break
monitoring or selection of 2nd setpoint)

Supply

B

Main output 250 V AC / 3 A

C

Alarm output 250 V AC / 1 A

D

Thermocouple or resistance temperature

E

detector connection

To order, see page 6

216

Supply

B

Main output 0-24 V DC / 20 mA max

C

Alarm output 250 V AC / 1 A

D

Thermocouple or resistance temperature detector connection

E

For more information www.crouzet.com

General characteristics

Supply 100 to 240 VAC
Frequency (Hz) 50 / 60
Tolerance -15 % +10 % Un
Consumption 5 VA
Display CTD 43 Measurement or setpoint : red LEDs, 3-digit, 7-segment, height 10 mm
Display CTH 47 / CTD 46 Measurement : red LEDs, 3-digit, 7-segment, height 10 mm

Protection

Switch the configuration and calibration are accessed via an internal switch, which

Physical details and protection

Insulation resistance conforming to IEC 348 > 100 MΩ
Insulation voltage according to IEC 348 1500 V
Immunity to interference conforming to IEC 801-4 Level 3
Immunity to interference conforming to IEC 801-2 8000 V
Accuracy

Temperature limit operation (°C) 0 ➞ +50 °C
Temperature limits stored (°C) -30 ➞ +70 °C
Relative humidity (Rh no condensation) 20 ➞ 85 %

Housing

Material housing self-extinguishing UL94 VO grade
Front panel polycarbonate membrane
Protection class according to IEC 529 (IEC 70-1) IP 54
Connection screw terminals
Weight (g) 160
Approvals UL/CSA

Characteristics
Inputs

Thermocouples J, K, and N IEC 584-1
Thermocouples L DIN 43710
Reference junction
Reference junction drift 0.1 °C / °C
Line resistance 100 Ω max
Calibration (IEC 584-1) IEC 584 - 1
Resist. temp. detector Pt 100 according to IEC 751 3-wire
Line resistance < 4 Ω
Input type and standard range TC L (0/800°C) (0/999°F) / J (0/800°C) (0/999°F)

Input types and standard rangeRTD Pt100 (-199/500°C) (-19.9/99.9°F) (-199/999°C)

Output

Type of output discontinuous
Action type CTH 46 - CTD 43 - CTD 46 heating-cooling
Limitation of output power : SOFT-START- heat action adjustable from 0 to 100 %
Limitation of output power : SOFT-START-heat/cool action adjustable from -100 to + 100 %
Main output changeover relay 3 A 250 V AC resistive
Main output--logic Max. load : 700 Ω

Main output cycle time 1 s ➞ 200 s
Cool output CTH 46 only N/O-1 A contact, 250 V AC resistive
Alarm output CTD 43-CTD 46 only N/O-1 A contact, 250 V AC resistive

Control characteristics

Control algorithm PID with auto-tune and adaptive tune : SMART
Control type CTD 43 CTD 46 heating or cooling
Control type CTH 46 heating-cooling
Sampling time 500 ms
Proportional band Pb CTD 43 - CTD 46 1.0 % to 99.9 % of scale amplitude
Proportional band Pb CTH 46 1.5 % to 99.9 % of scale amplitude
Proportional band Pb. Note : if Pb = 0 % discrete action
Hysteresis (during discrete action) 0.1 % to 10 % of scale amplitude
Integral time ti 1 min 20 s to 20 min 0 s (10 s resolution)
Derivative time td. Note : if td=0 1 s to 9 min 59 s
Cycle time heating 1 s ➞ 200 s
Cycle time cooling (CTH46 only) 1 s ➞ 200 s
Heat-cool control CTH 46 : Cool proportional band rC x heat proportional band
Heat-cool control : rC : relative gain 0.20 ➞ 1.00
Heat-cool control CTH 46 : dead.overlap band -20 % to + 50 % of the heat proportional band

Alarms (on CTD 43 and CTD 46 only)

Type of output direct or reverse
Functions absolute alarm, band alarm, deviation alarm
Reset to zero manual
Inhibition can be configured
Alarm threshold - absolute alarm absolute value independent from SP
Alarm threshold - band alarm value relative to SP, adjustable from 0 to 500 °C/°F
Alarm threshold - deviation alarm value relative to SP, adjustable from-199°C/°F (negative deviation) to

Alarm 0.1 to 10 % of scale amplitude

Setpoint : green LEDs, 3-digit, 7-segment, height 7.5 mm

can only be accessed when the equipment is disconnected

± 0.3 % of the full measurement scale at an ambient temperature of 25 oC
at Un

Automatic cold junction compesation : 0 to 50 oC (Thermocouples)

K (0/999°C) (0/999°F) / N (0/999°C) (0/999°F)

Level 0 : < 0.5 V DC
Level 1 :
14 V DC ± 20 % @ 20 mA max
24 V DC ± 20 % @ 1 mA max

●

+500°C/°F (positive deviation)

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For more information www.crouzet.com

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