1756-IF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Input Module(36 Pin) New

1756-IF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Input Module(36 Pin) New

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PLCAGE:1756-IF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Input Module(36 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 mechanica

Specification

Number of Inputs	8 single ended, 4 differential or 2 differential (high speed)
Module Location	1756 ControlLogix Chassis
Backplane Current	150mA @ 5.1V dc & 40mA @ 24V dc (2.33W)
Power Dissipation within Module Thermal Dissipation	1.73W voltage 2.53W current 5.9 BTU/hr voltage 8.6 BTU/hr current
Input Range and Resolution	+/-10.25V – 320µV/cnt (15 bits plus sign bipolar) 0-10.25V – 160µV/cnt (16 bits) 0-5.125V – 80µV/cnt (16 bits) 0-20.5mA – 0.32µA/cnt (16 bits
Data Format	Integer mode (2s complement) Floating point IEEE 32 bits
Input Impedance Voltage Current	>1megOhm 249Ohm
Open Circuit Detection Time	Differential voltage - Positive full scale reading within 5s Single Ended/Diff. current - Negative full scale reading within 5s Single Ended voltage -Even numbered channels go to positive full scale reading within 5s, odd numbered channels go to negative full scale reading within 5s
Overvoltage Protection	30V dc voltage 8V dc current
Normal Mode Noise Rejection	>80dB at 50/60Hz
Common Mode Noise Rejection	>100dB at 50/60Hz
Calibrated Accuracy at 25°C	Better than 0.05% of range - voltage Better than 0.15% of range - current
Input Offset Drift with Temperature	45uV/degree C
Gain Drift with Temperature	15 ppm/degree C - voltage 20 ppm/degree C - current
Module Error over Full Temp. Range	0.1% of range - voltage 0.3% of range - current
Module Scan Time for All Channels (Sample Rate Module Filter Dependent)	8 pt single ended - 16-488ms 4 pt differential - 8-244ms 2 pt differential - 5-122ms
Module Conversion Method	Sigma-Delta
Isolation Voltage User to system	100% tested at 2550 dc for 1s
Module Keying (Backplane)	Electronic
RTB Screw Torque (Cage clamp)	4.4 inch-pounds (0.4Nm)
RTB Keying	User defined
RTB and Housing	36 Position RTB (1756-TBCH or TBS6H)
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
Screwdriver Width for RTB	1/8 inch (3.2mm) maximum

 

Cat. No.	Inputs/Outputs	Range	Resolution	Removable Terminal Block
1756-IF6CIS	6 individually isolated inputs, current sourcing	0…21 mA	16 bits 0.34 mA/bit	1756-TBNH 1756-TBSH
1756-IF6I	6 individually isolated inputs	±10.5V 0…10.5V 0…5.25V 0…21 mA	16 bits 10.5V: 343 mV/bit 0…10.5V: 171 mV/bit 0…5.25V: 86 mV/bit 0…21 mA: 0.34 mA/bit	1756-TBNH 1756-TBSH
1756-IF8	8 single-ended inputs 4 differential inputs 2 high-speed differential inputs	±10.25V 0...10.25V 0...5.125V 0…20.5 mA	±10.25V: 320 mV/cnt (15 bits + sign bipolar) 0…10.25V: 160 mV/cnt (16 bits) 0…5.125V: 80 mV/cnt (16 bits) 0…20.5 mA: 0.32 mA/cnt (16 bits)	1756-TBCH 1756-TBS6H
1756-IF8H	8 differential voltage or current inputs, HART interface	±10V 0...5V 1…5V 0...10V 0…20 mA 4…20 mA	16…21 bits	1756-TBCH 1756-TBS6H
1756-IF16	16 single-ended inputs 8 differential or 4 differential (high speed) inputs	±10.5V 0…10.5V 0…5.25V 0…21 mA	16 bits ±10.5V: 343 mV/bit 0…10.5V: 171 mV/bit 0…5.25V: 86 mV/bit 0…21 mA: 0.34 mA/bit	1756-TBCH 1756-TBS6H
1756-IF16H	16 differential current inputs, HART interface	0…20 mA 4…20 mA	16…21 bits 0…21mA: 0.32 mA/bit	1756-TBCH 1756-TBS6H