1756-OF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Output Module (20 Pin) New

1756-OF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Output Module (20 Pin) New

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PLCAGE:1756-OF8 Allen-Bradley PLC 8 Channel Current/Voltage Analog Output 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 Output	8 voltage or current outputs
Module Location	1756 ControlLogix Chassis
Backplane Current	150mA @ 5.1V dc & 210mA @ 24V dc (5.8W)
Power Dissipation within Module Thermal Dissipation	4.92W - 8 channel current 16.78 BTU/hr
Output Range	0 to 21mA +/- 10.4V
Resolution	15 bits across 21mA - 650nA/bit 15 bits across 10.4V – 320uV/bit
Data Format	Integer mode (2s complement) Floating point IEEE 32 bit
Open Circuit Detection	Current output only (Output must be set to >0.1mA)
Output Overvoltage Protection	24V dc
Output Short Circuit Protection	Electronically current limited to 21mA or less
Drive Capability	>2000 Ohm - voltage 0-750 Ohm  - current
Output Settling Time	<2ms to 95% of final value with resistive load
Calibrated Accuracy at 25°C Calibration Interval	Better than 0.05% of range from 4mA to 21mA, -10.4V to 10.4V Twelve months typical
Output Offset Drift with Temperature	50 uV/degree C typical 100nA/degree C typical
Gain Drift with Temperature	25 ppm/degree C maximum - voltage 50 ppm/degree C maximum - current
Module Error over Full Temp. Range	0.15% of range - voltage 0.3% of range - current
Module Scan Time for all Channel	12ms minimum floating point 8ms minimum integer
Isolation Voltage User to system	100% tested at 2550V dc for 1s
Module Conversion Method	R-Ladder DAC monotonicity with no missing codes
Module Keying (Backplane)	Electronic
RTB Screw Torque (NEMA)	7-9 inch-pounds (0.8-1Nm)
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-OF4	4 voltage or current outputs	±10.4V 0…21 mA	Voltage: 15 bits across 10.5V, 320 mV/bit Current: 15 bits across 21mA, 650 nA/bit	1756-TBNH 1756-TBSH
1756-OF6CI	6 individually isolated current outputs	0…21 mA	13 bits across 21mA (2.7 mA)	1756-TBNH 1756-TBSH
1756-OF6VI	6 individually isolated voltage outputs	± 10.5V	14 bits across 21V (1.3 mV) (13 bits across 10.5V +sign bit)	1756-TBNH 1756-TBSH
1756-OF8	8 voltage or current outputs	±10.4V 0…21 mA	15 bits across 21 mA - 650 nA/bit 15 bits across 10.4V - 320 mV/bit	1756-TBNH 1756-TBSH
1756-OF8H	8 voltage or current outputs, HART interface	±10.4V 0…20 mA 4…20 mA	15...16 bits	1756-TBNH 1756-TBSH