1756-OF8IH: ControlLogix HART I/O Module
The 1756-OF8IH is the ControlLogix HART I/O Module covered on this page. The attribute that decides whether it fits the existing installation without modification is 8 Isolated Differential Outputs and 1 HART Modem Per Channel.
This configuration's controllogix hart i/o module is the attribute that drives the replacement decision. A processor or controller is selected on memory, scan time and platform compatibility before anything else. controllogix hart 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 8 Isolated Differential Outputs and 1 HART Modem Per Channel 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-OF8IH |
| Module Type | ControlLogix HART I/O Module |
| Channels | 8 Isolated Differential Outputs and 1 HART Modem Per Channel |
| Input Current Range | 0-20 Miliamperes, 4-20 Miliamperes |
| Overvoltage Protection | +/- 24 Volts DC |
| Resolution | 15 Bits Across 24 Miliamperes |
| Module HART Scan Time | 1 s w/ HART Enabled (Estimate) |
| Enclosure Type | None (Open-Style) |
Related Configurations
Other published configurations in the same family — confirm the distinguishing specification against your installation:
| Related Part Number | Configuration Difference |
|---|---|
| allen-bradley-1756-of8ihk-controllogix-hart-i-o-module-overview | confirm the configuration against your installation |
Availability & Condition at AutoDCSTech
| Part Number | 1756-OF8IH |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
