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CT6102 1, 2 or 3 Channel Programmable Process Input Circular Recorders

Circular Chart Recorders

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CT6102 1 2 or 3 Channel Programmable Process Input Circular Recorders 13280

 The CT6100 Series microprocessorbased circular chart recorders are available in 1-, 2-, or 3-channel variants. They combine the simplicity and clarity of pen drawing with the versatility of microprocessor control. Each channel is compatible with all industry-standard sensors and signals, including thermocouple types J, K, T, E, N, R, S, and B; Pt100 platinum RTDs; and 4 or 20 mA current loops.

 
Low and high measurement ranges are provided for each input type; separate range cards are not required. Multi-input versions feature optoelectronic isolation of the input stages to eliminate troublesome installation ground loops. Multislope integrating 16-bit A/D converters ensure precise measurement by sampling the input every 0.5 seconds.
 
Thermocouple and RTD characteristics are fully linearized. The recorders use automatic cold-junction compensation for thermocouple measurement.
 
All CT6100 Series models feature alarm relays. Single-pen recorders are equipped with 3 fail-safe singlepole changeover relays; 6 relays are standard on the 2- and 3-pen versions. Color-coded LEDs indicate the status of each relay. All relay functions are user selectable: setpoint values and hysteresis levels are entered directly via the keypad, while relay action and channel assignment are selected from user-friendly menus. Circuit precision is matched by the backlash-free pen-drive mechanism, which has a positioning resolution of better than 0.1%. An integral feedback potentiometer enables closed-loop monitoring of each pen position.
 
Each recorder uses a low-maintenance stepper motor. The rotation speed of the 244 mm diameter chart is microprocessor controlled and user programmable.
 
All CT6100 recorders are housed in a strong molded case that can be panel or surface mounted. A gasket-lockable door protects internal components from harsh industrial environments and offers protection rated to NEMA 12 (IP55). A tough acrylic window lets the user view the chart trace, digital channel readings, and alarm status with the recorder's door closed.
• Accepts Thermocouple, RTD, Vdc, and mA DC Inputs
• High Accuracy and Stability
• User Configurable via Front-Panel Keypad
• Easy-to-Use Menu-Driven Interface for Rapid Configuration and Calibration
Specification Inputs
Input TypesThermocouple K, T, J, N, E, B, R, S; Platinum RTD (Pt100) 3-wire; ±2V, +20 Vdc; ±2 mA, ±20 mA
Input RangesThermocouples to BS4937 (type B minimum temp 200°C); RTD to BS1904:1984
Cold Junction CompensationAutomatic; ±0.02°C/°C stability
Input Resistance
Thermocouple10 MΩ
±2 mA200 Ω
±20 mA20 Ω
±2V, ±20V>1 MΩ
Min Span5°C (9°F), thermocouples K, J, T, E, N and RTD; 50°C (90°F) other thermocouple types, 50 mV, 200 mA
T/C Burn-OutPull-up or pull-down, selectable
RTD Lead Resistance3-wire, compensated up to 10 Ω max per lead
Input Protection±50 Vdc on signal inputs
Input IsolationOptoelectronic on 2 and 3 input models 500 Vrms channelto- channel, 500 Vrms channel-to-ground
Sensor/Transmitter Power12 or 24 Vdc, 25 mA, selectable; for current loop inputs
Performance
AccuracyRTD, Low Range (-200 to 200°C): ±0.2°C
RTD, High Range (200 to 850°C): ±0.8°C
Thermocouple±0.25% FS
Voltage/Current±0.2% FS
Temperature Stability±0.02% FS/°C
Linearization Accuracy
T/C Types J, K, T, N, E:±0.1°C, -50 to 200°C, ±1°C max
T/C Types R and S±0.2°C, -50 to 200°C, ±1°C max
T/C Type B:±1°C max
RTD±0.1°C, -200 to 850°C
Calibration Shift±10°C user programmable to eliminate sensor errors (T/C and RTD)
Chart and Display
Chart Size244 mm (9.6') dia; 40, 50, 60, 70 or 80 linear divisions
Chart DriveDC stepper motor
Chart Speeds1 to 24 hours in steps of one hour, 2 to 31 days in steps of 1 day
Writing MethodDisposable ink cartridges; pen 1-red; pen 2-green; pen 3-blue
Pen PositionerDC stepper motor
Positioning Resolution>0.1% FS
Response TimeZero to full scale in 4.5 sec
Pen LiftPowered, activated from front panel; chart fast time advance possible with pens raised
Display2 line x 20 character dot matrix liquid crystal with backlight and automatic temperature compensation; 9.6 mm (0.37') character height
Display Resolution0.1°C for temperature inputs, software programmable for voltage/current inputs
Alarm DisplayRelay status shown by red and green front panel LEDs Relays
TypeSPDT; 30 Vdc or 250 Vac @ 6 A max; 150 W DC, 1660 Vac non-inductive
ActionSoftware selectable from: high alarm/low alarm/deviation alarm/control relay (high)/control relay (low); relays de-energize in alarm state; assignable to any channel
HysteresisUser programmable 0.0% to 10% span
Snubber Network22 nF and 100 Ω across each contact
Analog Output (Option)
Type0 to 20/4 to 20 mA; assignable to any channel; range selectable within any segment of chart range
Resolution12-bit
Compliance20V approx
IsolationOptoelectronic
Actiondirect or reverse Genearl
Security3-level software lock including password protection, internal hardware jumper lock, lockable door
Power115 or 230 VAC ±10%, switch
Selectable, 50/60Hzterminal block connection
Power Requirements<25 W
Operating Ambient0 to 55°C (32 to 131°F), 0 to 90% RH (non condensing)
CaseSteel, with glass-filled polyester resin door with acrylic window
ProtectionNEMA 12 (IP55)
MountingPanel or surface
Dimensions336 W x 396 H x 171 mm D (13.2 x 15.6 x 6.7')
WeightFrom single pen: 7 kg (15.4 lb)
to three pen7.7 kg (17.0 lb)
Panel Cutout288 W x 356 mm H (11.3 x 14.0')
  • Thumbnail of document Manual - CT6102 1, 2 or 3 Channel Programmable Process Input Circular Recorders
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    Manual - CT6102 1, 2 or 3 Channel Programmable Process Input Circular Recorders

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  • Thumbnail of document Data Sheet - CT6102 1, 2 or 3 Channel Programmable Process Input Circular Recorders
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    Data Sheet - CT6102 1, 2 or 3 Channel Programmable Process Input Circular Recorders

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