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1756-IT6I Allen-Bradley PLC 6 Channel Isolated Thermocouple Input Module(20 Pin) New1756-IT6I Allen-Bradley PLC 6 Channel Isolated Thermocouple Input Module(20 Pin) NewIf you need more than 10pcs and want to get better wholesale price, please feel free to contact us by following:
email:[email protected]
Tel:0086-574-88333153
We will quote you our best price to you in 24hours.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 W16 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/bit1756-TBNH
1756-TBSH1756-IT6I
6 individually isolated thermocouple inputs
1 CJC-12…78 mV
-12…30 mV16 bits
-12...78 mV: 1.4 mV/bit
-12...30 mV: 0.7 mV/bit1756-TBNH
1756-TBSH1756-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/bit1756-TBNH
1756-TBSH
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