The Allen-Bradley 1756-OF8H is a versatile analog output module designed for the ControlLogix platform, offering eight configurable voltage or current output channels with a resolution of 15-16 bits. Supporting a range of signals, including +/-10VDC and 0-21.2916mA, this module boasts enhanced isolation with a 50V continuous voltage rating and sophisticated features like open circuit detection. Capable of functioning as both a local and remote I/O module, it efficiently occupies a single slot in a 1756 ControlLogix chassis and facilitates easy installation with its removable terminal block, suitable for specific wire gauges, ensuring reliable performance in diverse industrial applications.
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Technical specifications for 1756-OF8H
| Manufacturer | Rockwell Automation |
|---|---|
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-OF8H |
| Manufacturer | Rockwell Automation |
| Series | ControlLogix |
| Brand | Allen-Bradley |
| Module Type | Hart Analog Output Module |
| Series | ControlLogix |
| Outputs | 8 Differential |
| Module Type | Analog output Module with HART capability |
| Input Current Range | 0-20 or 4-20 milliamps |
| No. of Inputs | Eight (8) output channels |
| Isolation Voltage | 50 Volts Continuous |
| Output signal | Current: 0-20 mA; 4-20 mA Voltage: +/-10VDC |
| Overvoltage Protection | 24 Volts DC |
| Resolution | 15-16 Bits |
| Enclosure | Open |
| Accuracy | Voltage: 0.1% of range Current: 0.5% of range |
| Removeable Terminal Blocks | 1756-TBNH, 1756-TBSH |
| Data Format: | Integer mode (left justified, 2 s complement) IEEE 32-bit floating point |
| Input conversion method | Successive approximation |
| Output conversion method | R-Ladder DAC, monotonicity with no missing codes |
| Removeable Terminal Block(s) | 1756-TBNH, 1756-TBSH |
| Removable terminal block | 1756-TBCH; 1756-TBSH |
| Current Draw | 230 mA @ 5.1 VDC and 230 mA @ 24 VDC |
| Enclosure | None |
| Open circuit detection time | Current output only (output must be set to < 0.1 mA) |
| UPC | 10612598345486 |
| Overvoltage protection, max | +/- 24 VDC |
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