1756-OF8I
8-Channel Isolated Analog Output Module · Eight individually isolated analog outputs configurable for voltage or current service.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
Product Condition
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+86 153594082758-Channel Isolated Analog Output Module · 1756 Modular Control I/O
1756-OF8I is an eight-channel analog output module whose channels are individually isolated and can be configured independently for voltage or current service.
The module supports bipolar and unipolar voltage ranges plus 0-20 mA current output, using 24-bit conversion and channel-level diagnostics for high-resolution process control.
Before replacement, preserve slot and module configuration, channel ranges and scaling, output limits, fault and hold behavior, field-power arrangement, terminal assembly and the controlled startup test.
| Model | 1756-OF8I |
|---|---|
| Product type | Isolated analog output module |
| Output channels | 8 individually isolated |
| Output modes | Voltage or current per channel |
| Voltage ranges | -10 to +10 V, 0 to 10 V, 0 to 5 V |
| Current range | 0 to 20 mA |
| Converter resolution | 24 bit |
| Voltage resolution | 0.32 mV/count at +/-10.5 V |
| Current resolution | 0.32 microampere/count at 0-21 mA |
| Backplane current at 5.1 V | 200 mA |
| Backplane current at 24 V | Up to 385 mA |
| Continuous isolation | 250 V output-to-backplane and output-to-output |
1756-OF8I supplies eight isolated analog commands to compatible actuators, positioners, converters or other field devices.
Each 1756-OF8I channel can be configured for -10 to +10 V, 0 to 10 V, 0 to 5 V or 0 to 20 mA service.
The individual isolation of 1756-OF8I reduces common-potential interaction between field loops, but site grounding and shielding rules still apply.
1756-OF8I supports per-channel voltage or current configuration, provided the terminal wiring and controller project match every selected range.
Preserve channel ranges, scaling, clamp limits, fault response, hold-last-state behavior, update settings and output ownership before replacing 1756-OF8I.
Commission 1756-OF8I by measuring every commanded output across its working range, checking diagnostics and proving the connected field device response.
Provide the complete 1756-OF8I label, hardware and firmware revision, terminal assembly, channel-range schedule, quantity and destination.
Send the complete 1756-OF8I catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
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