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Brand: Allen-Bradley
Allen-Bradley 5094-OF8 FLEX 5000 8-Channel Analog Output
Description
Eight voltage or current outputs for valves and drives
The Allen-Bradley 5094-OF8 is a FLEX 5000 analog output module with 8 single-ended channels. Each channel can be set to voltage or current, which makes it suitable for control valves, variable-speed drive references and analog indicators.
Resolution is 16 bits on every range and data moves as IEEE 754 floating point. Open-circuit detection is available in current mode and short-circuit detection in voltage mode, where the output is limited to 16 mA or less.
Technical specifications
| Parameter | Specification |
|---|---|
| Catalog number | 5094-OF8 (5094-OF8XT in the same table) |
| Outputs | 8 single-ended |
| Voltage ranges | +/-10 V, 0-10 V, 0-5 V |
| Current ranges | 0-20 mA, 4-20 mA |
| Resolution | 16 bits: 320 uV/bit (+/-10.5 V), 160 uV/bit (10.5 V), 80 uV/bit (5 V), 320 nA/bit (21 mA) |
| Drive capability | Voltage: 1000 Ohm min; current: 500 Ohm max |
| Load limits | 1 uF capacitive (voltage); 1 mH inductive (current) |
| Conversion | R-ladder DAC; 25 us per channel |
| Scan time | 2.0 ms for channels 0 to 7 |
| Step response to 63 percent | Voltage 18 us max; current 1 ms max |
| Calibrated accuracy at 25 C | 0.10 percent of full scale |
| Accuracy drift | Voltage 47 ppm/C; current 60 ppm/C |
| Repeatability | 0.05 percent |
| Overvoltage protection | +/-32 V DC |
| Backplane / SA current | 75 mA at 15 V DC / 260 mA at 18-32 V DC |
| Power dissipation, max | 3.7 W (12.62 BTU/hr) |
| Isolation | 250 V continuous, basic, system to field; none between outputs |
| Wiring | Shielded twisted pair such as Belden 8761; 5094-STB shield bar required |
| Dimensions (H x W x D) | 87.0 x 94.0 x 54.0 mm |
Wiring and power
Field-side power is supplied at the left SA+ and SA- terminals from a 24 V DC source, and shielded twisted-pair wire is recommended for noise immunity. The 5094-STB shield bar accessory is required to terminate cable shields on analog modules that use the 5094-TB3 or 5094-TB3T terminal bases.
Choosing between modules
Use this module where a signal such as a valve position or a drive speed reference must be sent from a FLEX 5000 rack. The eight-channel scan time is 2.0 ms, so it suits process-speed control rather than very fast loops. Mounting bases and terminal bases (5094-MB with 5094-RTB3 or RTB3S) do not ship with the module and are ordered separately.
The voltage ranges of plus or minus 10 V, 0 to 10 V and 0 to 5 V and the current ranges of 0 to 20 mA and 4 to 20 mA are set per channel in the programming software. Voltage mode drives loads of 1000 Ohm or more, and current mode drives up to 500 Ohm, so check loop resistance and the number of devices on a channel. The data sheet lists a calibrated accuracy of 0.10 percent of full scale at 25 C and allows an optional user calibration on top of the factory calibration.
Backplane current is 75 mA at 15 V DC and SA current is 260 mA at 18 to 32 V DC, which should be added to the adapter budget when a rail is designed.
Related Allen-Bradley products: Allen-Bradley 5094-IF8 FLEX 5000 8-Channel Analog Input Module, Allen-Bradley 5069-OF8 Compact 5000 8-Ch Analog Output, Allen-Bradley 5069-IF8 Compact 5000 8-Channel Analog Input, Allen-Bradley 1794-IE8 FLEX I/O 8-Channel Analog Input, Allen-Bradley 1756-OF8 ControlLogix 8-Channel Analog Output and Allen-Bradley 1769-OF4 Compact I/O 4-Channel Analog Output.
Documents and quotation
The linked FLEX 5000 specification document is above 10 MB and is linked from the manufacturer site. Related modules are in the PLC & I/O Cards category. Send the catalog number and quantity to Seven Star LLC, an independent supplier in Muscat, to request a quotation.
Datasheets & Documents
- Technical data Rockwell Automation FLEX 5000 I/O Specifications, publication 5094-TD001 Download
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About brand
Allen-Bradley is the brand of Rockwell Automation for industrial control: ControlLogix and CompactLogix controllers, I/O systems, PanelView operator terminals, PowerFlex drives, motor control and industrial network equipment. The company began in Milwaukee in 1903, when Lynde Bradley and Dr. Stanton Allen formed the Compression Rheostat Company to make the motor speed controller Bradley had invented in 1901. It took the name Allen-Bradley in 1909 and was bought by Rockwell International in 1985. Since 2001 its owner has been Rockwell Automation, which is still headquartered in Milwaukee, Wisconsin.
Allen-Bradley company profile
| Founded | 1903, Milwaukee, Wisconsin, USA, as the Compression Rheostat Company |
|---|---|
| Founders | Lynde Bradley (inventor of the compression rheostat, 1901) and Dr. Stanton Allen (investor); Harry Bradley joined in 1904 |
| Name | Allen-Bradley Company from 1909 |
| Ownership | Acquired by Rockwell International in 1985 for about USD 1.65 billion; a brand of Rockwell Automation (NYSE: ROK) since 2001 |
| Headquarters | Milwaukee, Wisconsin, USA |
| Product families | Logix programmable automation controllers (ControlLogix, CompactLogix), legacy SLC 500 and MicroLogix PLCs, Micro800 controllers, POINT, FLEX and Compact I/O, PanelView HMIs, PowerFlex AC drives, contactors, motor starters and soft starters, safety components, Stratix Ethernet switches |
Milestones
- 1901: Lynde Bradley invents the compression rheostat to control the speed of electric motors.
- 1903: The Compression Rheostat Company is formed in Milwaukee with an initial investment of USD 1,000.
- 1904: Harry Bradley joins; a crane controller is shown at the St. Louis World's Fair.
- 1909: The company is renamed Allen-Bradley.
- 1985: Rockwell International acquires Allen-Bradley.
- 2001: Rockwell Automation becomes the company's name; the Allen-Bradley brand marks 100 years in 2003.
Reading Allen-Bradley catalogue numbers
The first digits of an Allen-Bradley catalogue number identify the platform, which tells you what is compatible with what. 1756 is ControlLogix (chassis-based, used for large process and plant control), 1769 is CompactLogix 5370 with Compact I/O, 5069 is CompactLogix 5380 with Compact 5000 I/O, 1734 is POINT I/O, 1794 and 5094 are FLEX and FLEX 5000 distributed I/O, 1746 and 1747 belong to the older SLC 500 family, 1766 is MicroLogix 1400 and 2080 is Micro800. For drives, 25B is PowerFlex 525 and 22B is PowerFlex 40; in a code such as 25B-D010N114, "D" means 380–480 V, "010" is the output current rating, and N114 instead of N104 means the drive has an integrated EMC filter. Many plants in the region still run SLC 500 and older MicroLogix systems, which Rockwell has discontinued, so exact spares and migration to CompactLogix are both common requests.
Where Allen-Bradley products are used
In Oman and the GCC, Allen-Bradley controllers and drives run on oil and gas facilities, water treatment and pumping stations, cement, food and beverage and packaging plants, and on machines supplied by American OEMs. ControlLogix is often the platform for plant control systems, while PowerFlex drives are used on pumps, fans and conveyors.
Allen-Bradley products we list
| Family | Examples |
|---|---|
| ControlLogix | 1756-L85E, 1756-EN2T, 1756-EN2TR, 1756-IF16, 1756-IB32, 1756-PA75, 1756-A10 |
| CompactLogix and Micro controllers | 5069-L320ER, 5069-L340ERM, 1769-L33ER, 1769-L16ER, MicroLogix 1400, Micro820, SLC 500 (1746) |
| Distributed I/O | 1734-AENTR, 1734-IB8, 1734-IE2C, 1734-IB8S safety, 1794-AENTR, 5094-AENTR, 5069-IF8 |
| Operator terminals | PanelView Plus 7 10-inch, PanelView Plus 7 15-inch, PanelView 800, PanelView 5310 |
| Drives, motor control and networking | PowerFlex 525, PowerFlex 755, PowerFlex 4, 150-A180NBD SMC, Stratix 2000, 1783-NATR |
Ordering Allen-Bradley products: what we need
Send the full catalogue number and the series letter from the label (for example 1756-EN2T Series D), because firmware and compatibility can change between series. For drives, add the motor power, voltage and filter option. For a discontinued SLC 500 or MicroLogix part, tell us whether you need the exact spare or a migration proposal.
Facts checked against Rockwell Automation's published company history, October 2026.
Browse Allen-Bradley products by category: PLC & I/O Cards, AC Drives.
FAQ
Questions about the Allen-Bradley 5094-OF8 FLEX 5000 8-Channel Analog
Answers from our engineering team on installation, compatibility and integration.
01How many outputs does the 5094-OF8 have?
Eight single-ended outputs, each voltage or current.
02What current ranges are supported?
0-20 mA and 4-20 mA.
03What is the resolution?
16 bits on every range.
04What is the scan time for all channels?
2.0 ms.
05Are terminal bases included?
No, order the mounting base and terminal base separately.
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