Eurotherm Programmable Automation Controller, T2750
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T2750 Programmable Automation Controller

Brand: Eurotherm
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The T2750 is a high performance solution with effective redundancy options. 

The control unit and I/O system form the basis of a complete distributed control and recording environment capable of continuous Analog, logic, sequential and batch control, combined with secure data recording at point of measurement - all designed to maximize your return on investment.
Features
  • Effective controller redundancy
  • Power supplies
  • High system availability
  • Redundant data logging
  • Multi-setpoint programmer
  • Hot swap I/O
  • Alarm monitoring
  • Signal conditioning
  • IEC 61131 programming
  • Advanced PID control

Specifications

Brand

Accuracy

  • Calibration Accuracy: ± 0.2 % of Electrical Input - ZI (Channel 2 Only)
  • Cold Junction Sensor (CJ Accuracy): ± 1.3° C (± 2.34° F) - ZI (Channel 1 Only)
  • Frequency Measurement: ± 100 ppm - FI 2
  • Frequency Measurement: ± 160 ppm Overall ± 0.05 % Drift over 5-Years - FI 2
  • Initial Accuracy: Factory Calibrated to Better than ± 0.1 % of Reading at 25 % - AI3
  • Initial, Calibration Accuracy: Electrical Input Factory Calibrated to Better than 0.1 % of Reading - AI4 [Burden Resistor 5 ohms ± 1 % (Fitted to Terminal Unit)], AI2, AI8, AO2
  • Input (Initial CJC Accuracy), Cold Junction Sensor (CJ Accuracy): ± 0.5° C (1° F) Typical [ ± 1° C (1.8° F) - Max.
  • Input (Initial CJC Accuracy): ± 0.8° C (± 1.44° F) Sensed with Two Pt100 Sensors on TU - AI8
  • Logic Input: ± 0.4 V, ± 0.4 mA or ± 7 % of Range, whichever is greater - FI 2
  • Output: ± 20 % - FI 2
  • Thermocouple (Calibration Accuracy): ± 0.1 % of Electrical Input - ZI (Channel 1 Only)
  • Thermocouple Input (Calibration Accuracy): ± 10 μV - ZI (Channel 1 Only)

Ambient Temperature Range

  • Input (CJC Rejection): Better than 30: 1 over 0° to 55° C (32° to 131° F) - AI8

Applications

  • SCADA Systems

Approvals & Certifications

  • Transient Immunity: EN 50082 - DI6

Approvals & Certifications

  • BS EN 61010-1/A2
  • EMC Emissions: BS EN 61326 - 1: 2006 Class A, Immunity: BS EN 61326 - 1: 2006 Industrial Locations
  • IEC 1131-2 (2007), 61131-3

Channels

  • 16 - DI16
  • 2 - AO2, AI2
  • 3 - AI3
  • 4 (3 Normally Open + 1 Changeover) - RLY4, DO4, DI4, AI4
  • 6 - DI6
  • 8 Normally Open - RLY8, DI8, AI8

Circuit Protection

  • Short Circuit Protection: 0.7-1.7 A Per Channel - DO16

Communication

  • Baud Rate: 9.6k to 12000k
  • Bus Size: 32-bit
  • Communication Medium: RS-422 (5-Wire)
  • Communication Medium: RS-485 (3-Wire)
  • Data Format: 7-bits, 8-bits (Raw Communication)
  • Data Rate: 1,200 to 38.4 Kbps (Raw Communication)
  • Ethernet Port (Allocation of IP Address): BOOTP
  • Ethernet Port (Allocation of IP Address): DHCP
  • Ethernet Port (Network Typical): LIN over Ethernet
  • Ethernet Port, Max.
  • EtherNet/IP
  • FTP
  • Modbus RTU
  • Modbus/J-BUS (RTU Serial Character Format): 8-bit, Selectable Parity 1/2 Stop Bits
  • Modbus/J-BUS, Max.
  • PROFIBUS
  • Redundancy: Modbus Communications are Supported by the Controller in Simplex & Redundant Mode
  • Redundant USB 2.0 Connected on Terminal Unit
  • RS-422, RS-485 Serial Communication (Line Length): 1,220 metres, Max.
  • RTU Serial Data Rate: 600 to 38.4 Kbps (Modbus/J-BUS)
  • SNTP

Consumption

  • IOC Power Consumption: 4 W, Max.
  • Power Consumption (Contact): 1.9 W, Max.
  • Power Consumption (Logic): 0.75 W, Max.
  • Power Consumption (Plant Side): 850 W, Max.
  • Power Consumption: 0.45 W, Max.
  • Power Consumption: 0.5 W, Max.
  • Power Consumption: 0.6 W, Max.
  • Power Consumption: 1.1 W, Max.
  • Power Consumption: 1.8 W, Max.
  • Power Consumption: 2 W, Max.
  • Power Consumption: 2.2 W, Max.
  • Power Consumption: 2.5 W - RLY8
  • Power Consumption: 3.7 W, Max.

Current

  • 130 mA at 24 V (Typically)
  • Contact Mode (Wetting Current): > 4 mA - DI16
  • Contact Variant (Wetting Current): > 8 mA - DI4
  • Contact Variant (Wetting Current): 4 mA Typical - DI8
  • Current Assumption: 100 mA - Max.
  • Leakage Current Off State: < 10 µA - DO16
  • Leakage Current Off State: < 100 µA - DO8
  • Output: 25 mA - Max.
  • Sensor Impedance (Input Leakage Current): ± 1 NA Typical - ZI
  • Sensor Impedance (Input Leakage Current): ± 4 NA, Max.
  • Surge Current: 8 A, Max.

Display

  • LED Display

Electrical Connectors

  • Ethernet Port (Network Medium): Ethernet CAT5 Cable
  • Ethernet Port, RS-422/485 Serial Communication (2 x Shielded): RJ45 Connector
  • PSU Connector: Mini-COMBICON, 2-Pin

Electrical Rating

  • 100 mA at 12 V Min. - RLY8, RLY4
  • Fuse Rating: 0.5 A Time Lag
  • Maximum
  • Watchdog Relay (Resistive): 0.5 A at 24 Vac/dc

Environmental Protection

  • IP20

Filter

  • Input Filtering: Off to 60 seconds - AI4, AI3, AI2

Frequency

  • 47 to 63 Hz - DI6
  • Logic: 0.01 Hz-40 kHz, Debounce Off - FI 2
  • Pulse Counting (Magnetic): 10 Hz to 40 kHz - FI 2
  • System Clock: 333 MHz

Humidity

  • 5 to 95 % Relative Humidity, Non-Condensing

Input

  • 0 to 1.8 V ≥ 10 megaohms High Impedance Range (Channel 2 Only) - AI2
  • -10 to 1,800 mV - ZI (Channel 2 Only)
  • -10.3 to 10.3 V at Input Impedance 303 kiloohms - AI2
  • 115 Vac Variant (Active on State): > 95 Vrms - DI6
  • 115 Vac Variant (Active on State): 150 Vrms, Max.
  • 115 Vac Variant (Inactive Off State): 2 mA Min. Required for ON - DI6
  • 115 Vac Variant, Logic Variant: 8 mA - Max.
  • -20 to 20 mA with 3.3 ohms Burden in the Terminal Unit - AI8
  • 230 Vac Variant (Active on State): > 180 Vrms - DI6
  • 230 Vac Variant (Active on State): 264 Vrms, Max.
  • 230 Vac Variant (Inactive Off State): 10 megaohms Differental 2.5 megaohms Common Mode - AI8
  • Channel PSU: 20-25 Vdc, Current Limited 30 mA Nominal - AI3
  • Contact Mode (Wetting Voltage): > 12 Vdc - DI16
  • Contact Variant (Wetting Voltage): > 9 V - DI4
  • Contact Variant (Wetting Voltage): 12 V Typical Measured Open-Circuit - DI4
  • DI6-HV 6-Channel: 230 Vac
  • DI6-MV 6-Channel: 115 Vac
  • Digital Input: 24 V
  • Logic Absolute Input: 30 mA - Max.
  • Logic Absolute Input: 50 V, Max.
  • Logic Input (Sensor Break Level): 0.05-0.31 mA ± 10 % - FI 2
  • Logic Input (Sensor Break Level): 50-310 mV ± 10 % - FI 2
  • Logic Input (Threshold): ± 0.2 mA Hysteresis - FI 2
  • Logic Input (Threshold): ± 0.2 V Hysteresis - FI 2
  • Logic Input (Threshold): 0-20 mA (0.5 mA Steps) - FI 2
  • Logic Input (Threshold): 0-20 V (0.5 V Steps) - FI 2
  • Logic Mode, Logic Variant (off State): Threshold 10.8 Vdc, 30 V, Max.
  • Logic Mode: 2.8 mA at 24 Vdc - DI16
  • Logic Mode: 3.8 mA at 12 Vdc - DI16
  • Logic Variant: 2.5 mA Approximately at 10.5 V - DI8
  • Magnetic Sensor (Absolute Input): ± 100 V, Max.
  • Magnetic Sensor Input: 10 mV-80 V Peek to Peek - FI 2
  • Maximum
  • Thermocouple Input (Sensor Break Detect): 250 NA Break High, Low or Off - ZI (Channel 1 Only)
  • Thermocouple, mV, mA, Pyrometer mV Range: -150 to 150 mV at Input Impedance > 20 megaohms - AI2 (> 100 megaohms), AI4
  • Thermocouple: -77 to 100 mV - ZI (Channel 1 Only)

Input Impedance

  • Logic Input (Contact): 5 kiloohms - FI 2
  • Logic Input: 1 Kiloohm - FI 2
  • Logic Variant: 4 kiloohms Approximately (> 3 mA Drive Required for ON) - DI4
  • Magnetic Sensor, Logic Input: > 30 kiloohms - FI 2
  • Sensor Impedance (Measurement): 0.1 to 100 kiloohms ± 2 % - ZI
  • Sensor Impedance: > 500 megaohms - ZI
  • Thermocouple: 10 megaohms - ZI

Interval Time

  • Recording Interval: 1 to 60 seconds

Isolation

  • Channel Isolation: 100 Vrms or DC (Basic Insulation) - FI 2
  • Channel Isolation: 50 Vrms or DC (Basic Insulation) - DI8, AI3
  • Channel, System Isolation: 300 Vrms or DC (Basic, Double Insulation) - ZI, RLY8, RLY4, FI 2, DO16, DO8, DO4, DI16, DI8, DI6, AO2, AI8, AI4, AI3, AI2
  • System Isolation: Reinforced, 264 Vac - DI4
  • Watchdog Relay: 30 Vrms
  • Watchdog Relay: 60 Vdc

Length

  • Ethernet Port (Line Length): 328 feet (100 metres) - Max.

Linearity

  • 20 ppm of Span - AI8
  • Better than 0.01 % of Full Scale - AI2
  • Better than 1 µA - AI3

Load Impedance

  • RS-422, RS-485 Serial Communication (Line Impedance): 120 to 240 ohms Twisted Pair

Mounting

  • Bulkhead
  • DIN Rail Mounting
  • Horizontal or Vertical

Operating Temperature

  • 0° to 55° C (32° to 131° F)

Output

  • -0.1 to 10.1 Vdc - AO2
  • -0.1 to 20.5 mA - AO2
  • -0.3 to 10.3 Vdc - AO2
  • 10 Vdc, Max.
  • 20 mA - Max.
  • 24 V Variant: 100 mA - Max.
  • 24 Vdc at 10 mA - FI 2
  • 8 mA - Max.
  • Channel, Max.
  • DO4 4-Channel (Logic Output): 10 mA - Max.
  • Fuse: 3.15 A, 20 mm Ceramic, Time Lag (T), in Terminal Unit - RLY4
  • Logic Variant: > 8 mA High Drive Per Channel (Current Limited) - DO4
  • Module, Max.

Power Requirement

  • VA Requirement: < 80 W, Max.

Power Supply

  • Contact Mode: 16-18 Vdc

Resistance

  • 0 to 560 ohms 2, 3 or 4-Wire Lead Compensation - AI2
  • 20 to 500 ohms 2 & 3-Wire Lead Compensation - AI8
  • Burden Resistance: 60 ohms Nominal, 50 mA - Max.
  • Contact Mode, Variant (Contact Closure Off State): Input Resistance Threshold > 7 Kiloohm Typical - DI16, DI8
  • Contact Mode, Variant (Contact Closure on State): Input Resistance Threshold 7 kiloohms Typical) - DI4
  • Contact Variant (Contact Closure on State): Input Resistance Threshold 100 ohms (350 ohms - FI 2
  • Logic Input (Sensor Short Circuit Detect): when < 100 ohms - FI 2
  • Pot Range: 0 % to 100 % Rotation of 100 ohms to 6 kiloohms - AI2

Resolution

  • < 50 μV with 1.6 seconds Filter - ZI (Channel 2 Only)
  • ± 100 milliohms (With 0.4 seconds Filter) - AI8
  • 0.5 mV Typical (Better than 1 Part in 10,000) - AO2
  • 1 µA Typical (Better than 1 Part inch 10,000) - AO2
  • Better than 0.001 % of Range - AI2
  • Better than 0.5 µA with 1.6 seconds Filter Time (Equivalent: 16-bits) - AI3
  • Better than 2 µV - AI4
  • Frequency Measurement: 60 ppm - FI 2
  • Thermocouple Input: < 2 μV with 1.6 seconds Filter - ZI (Channel 1 Only)

RTD Type

  • Cu10 - AI2
  • Cu53 - AI2
  • JPt100 - AI2
  • Ni100 - AI2
  • Ni120 - AI2
  • Pt100 - AI8 (CJC System: Measured by 2 RTD), AI2
  • Pt1000 - AI2
  • Pt100A - AI2

Sensor, Probe Type

  • B Thermocouple - AI8, AI4, AI2
  • C Thermocouple - AI8, AI4, AI2
  • D Thermocouple - AI8, AI4, AI2
  • E Thermocouple - AI8, AI4, AI2
  • G2 Thermocouple - AI8, AI4, AI2
  • J Thermocouple - AI8, AI4, AI2
  • K Thermocouple - AI8, AI4, AI2
  • L Thermocouple - AI8, AI4, AI2
  • Ni/NiMo Thermocouple - AI8, AI4, AI2
  • NiMo/NiCo Thermocouple - AI8, AI4, AI2
  • N Thermocouple - AI8, AI4, AI2
  • PlatineL Thermocouple - AI8, AI4, AI2
  • R Thermocouple - AI8, AI4, AI2
  • S Thermocouple - AI8, AI4, AI2
  • T Thermocouple - AI8, AI4, AI2
  • U Thermocouple - AI8, AI4, AI2

Shock

  • Static Shock: 15 G

Storage Temperature

  • -25° to 85° C (-13° to 185° F)

Supply Voltage

  • 24 V ± 6 Vdc with Reverse Voltage Protection
  • Contact Variant (External): 18-30 Vdc - DI4 (Wetting Power Required), DO8
  • External: 24 Vdc ± 20 % - DO16

Switch Type

  • Watchdog Relay: SPST

Temperature Range

  • Cold Junction Sensor: -10° to 70° C (14° to 158° F) - ZI (Channel 1 Only)

Update Time

  • 10 to 110 milliseconds, Max.

Vibration

  • 1 G Peak Amplitude, 8.4 to 150 Hz
  • 1.75 mm Peak Amplitude 5 to 8.4 Hz

Voltage Drop

  • Output (Voltage Drop at Full Load): 1 V at 25 mA - FI 2

Documentation

Data Sheets

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