1756-IT6I Allen-Bradley PLC 6 Channel Isolated Thermocouple Input Module(20 Pin) New

1756-IT6I Allen-Bradley PLC 6 Channel Isolated Thermocouple Input Module(20 Pin) New

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PLCAGE:1756-IT6I Allen-Bradley PLC 6 Channel Isolated Thermocouple Input Module(20 Pin) New

Feature

On-board data alarming

Scaling to engineering units

Real-time channel sampling

Data Format: Integer mode (left justified, 2s complement) IEEE 32-bit floating point

Module conversion method: Sigma-Delta

Module keying: Electronic software configurable

RTB keying: User-defined mechanical

Specification

Number of Inputs	6 individually isolated channels
Module Location	1756 ControlLogix Chassis
Backplane Power Requirements (No external power requirements)	250mA @ 5.1V dc & 125mA @ 24V dc (4.3W)
Power Dissipation within Module Thermal Dissipation	4.3W 14.66 BTU/hr
Input Ranges	-12mV to +78mV -12mV to +30mV (high resolution range)
Supported Thermocouple Types	-12mV to +78mV -12mV to +30mV (high resolution range)
Supported Thermocouple Types	B, C, E, J, K, N, R, S, T Linearization based on ITS-90
Resolution	16 bits (1.4uV typical) 0.7uV/count on high resolution range
Data Format	Integer mode (2s complement) Floating point IEEE 32 bit
Input Impedance	>10MW
Open Circuit Detection Time	Positive full scale reading within 2s
Overvoltage Protection	120V ac/dc maximum
Normal Mode Noise Rejection	60dB at 60Hz
Common Mode Noise Rejection	120dB at 60Hz, 100dB at 50Hz
Channel Bandwidth	15Hz
Settling Time to 5% of Full Scale	<80ms
Calibrated Accuracy at 25°C Calibration Interval	Better than 0.1% of range 12 months typical
Accuracy (Cold Junction Sensor) Local CJ Sensor Uncertainty Remote CJ Sensor	From +/-0.3 up to +/-3.2°C, depending on channel +/-0.3°C
Input Offset Drift with Temperature	0.5μV/degree C typical
Gain Drift with Temperature	65 ppm/degree C typical (80 ppm maximum)
Module Error over Full Temp. Range	0.5% of range
Minimum Module Scan Time for all Channels1 (Sample Rate)	25ms minimum floating point (millivolt) 50ms minimum floating point (temperature) 10ms minimum integer (millivolt)
Module Conversion Method	Sigma-Delta
Isolation Voltage Channel to channel User to system	Optoisolated, transformer isolated 100% tested at 1700V dc for 1s, based on 250V ac 100% tested at 1700V dc for 1s, based on 250V ac
RTB Screw Torque (NEMA)	7-9 inch-pounds (0.8-1Nm)
Module Keying (Backplane)	Electronic
RTB Keying	User defined
RTB and Housing	20 Position RTB (1756-TBNH or TBSH)
Environmental Conditions Operating Temperature Storage Temperature Relative Humidity	0 to 60°C (32 to 140°F) -40 to 85°C (-40 to 185°F) 5 to 95% noncondensing

 

Cat. No.	Inputs/Outputs	Range	Resolution	Removable Terminal Block
1756-IR6I	6 individually isolated RTD inputs	1…487 W 2…1000 W 4…2000 W 8…4020 W	16 bits 1…487 W: 7.7 mW/bit 2…1000 W: 15 mW/bit 4…2000 W: 30 mW/bit 8…4020 W: 60 mW/bit	1756-TBNH 1756-TBSH
1756-IT6I	6 individually isolated thermocouple inputs 1 CJC	-12…78 mV -12…30 mV	16 bits -12...78 mV: 1.4 mV/bit -12...30 mV: 0.7 mV/bit	1756-TBNH 1756-TBSH
1756-IT6I2	6 individually isolated thermocouple inputs 2 CJC	-12…78 mV (1.4 mV per bit) -12…30 mV (0.7 mV per bit – high resolution range)	16 bits -12...78 mV: 1.4 Vm/bit -12...30 mV: 0.7 mV/bit	1756-TBNH 1756-TBSH