1756-H4FXOF2F: ControlLogix High Speed Analog I/O Module
The 1756-H4FXOF2F is the ControlLogix High Speed Analog I/O Module covered on this page. The attribute that decides whether it fits the existing installation without modification is 4 high speed sub-millisecond differential.
On this unit controllogix high speed analog i/o module is the figure that decides fit and function. A processor or controller is selected on memory, scan time and platform compatibility before anything else. controllogix high speed analog i/o module sets how much programme fits, how fast the logic executes and which I/O and networks the unit can host — the three things that decide whether an existing application migrates without a rewrite. Confirming 4 high speed sub-millisecond differential against the installed controller family is the check that prevents a processor that boots but cannot run the existing project.
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1756-H4FXOF2F |
| Inputs | 4 high speed sub-millisecond differential |
| Outputs | 2 high speed current-voltage |
| Input Signal Ranges | ± 10V, 0…10V, 0…5V, 0…20 mA |
| Input Resolution | 14 bits across ±10.5V DC, 12 bits across 21 mA |
| Output Signal Ranges | ± 10V, 0…20 mA |
| Output Resolution | 13 bits across 21 mA = 2.8 µA/bit, 14 bits across 21.8V = 1.3 mV/bit |
| Backplane Current (5 Volts) | 375 milliamps |
| Backplane Current (24 Volts) | 100 milliamps |
| Power Dissipation (Max) | 4.3 Watts (Voltage), 4.7 Watts (Current) |
| Removable Terminal Blocks | 1756-TBCH, 1756-TBS6H |
Related Configurations
Other published configurations in the same family — confirm the distinguishing specification against your installation:
| Related Part Number | Configuration Difference |
|---|---|
| allen-bradley-1756-hist1g-controllogix-factorytalk-historian-me-module | confirm the configuration against your installation |
| allen-bradley-1756-hsc-controllogix-high-speed-counter-module-2-channel | confirm the configuration against your installation |
| allen-bradley-1756-hyd02-controllogix-hydraulic-servo-module-2-channel-ldt | confirm the configuration against your installation |
Availability & Condition at AutoDCSTech
| Part Number | 1756-H4FXOF2F |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
