The Allen-Bradley 1756-OF8 is a versatile analog output module within the ControlLogix platform, providing eight configurable channels for +/-10VDC and 0-20 mA output signals, ideal for controlling electrical and field devices while ensuring efficient signal interfacing. Engineered for precision, it offers a resolution of 15 bits with capabilities for open and short circuit, as well as overvoltage protection. Featuring advanced R-Ladder DAC technology, the module supports both integer and IEEE 32-bit floating point data formats, exhibiting a scan time of 12 ms for floating point and 8 ms for integer data. Its robust design withstands an operational temperature range of 0 to 60 degrees Celsius and meets stringent isolation requirements, making it highly reliable for demanding industrial environments.
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Technical specifications for 1756-OF8
| Manufacturer | Rockwell Automation |
|---|---|
| Enclosure | None |
| Module Type | Analog Output Module |
| Series | ControlLogix |
| Part Number/Catalog No. | 1756-OF8 |
| Brand | Allen-Bradley |
| No. of Outputs | Eight (8) Current / Voltage |
| Output Current Range | 0-20 mA |
| Output Voltage Range | +/- 10VDC |
| Resolution | 15bit |
| Data Format | Integer mode (left justified, 2 s complement) IEEE 32-bit floating point |
| Conversion Method | R-Ladder DAC, monotonicity with no missing codes |
| Open circuit detection | Current only |
| Short circuit detection | Electronically current limited to 21 mA or less |
| Overvoltage protection | 24V DC |
| Outputs | 8 Current-Voltage |
| Backplane Current (5Volts) | 140 milliamps |
| Backplane Current (24 Volts) | 210 milliamps |
| Removable Terminal Blocks | 1756-TBNH, 1756-TBSH |
| Power Dissipation (Max) | 4.9 Watts at 60 Celsius |
| Removeable Terminal Block(s) | 1756-TBNH, 1756-TBSH |
| Isolation Voltage | 50 Volts Continuous |
| UPC | 10612598171894 |
| UNSPSC | 32151705 |
