Product Overview
The Allen-Bradley 1794-OE4 Flex I/O Analog Output Module is a high-density solution designed for precise control in industrial applications. Featuring four single-ended outputs, it supports both voltage and current output types, making it highly flexible. With a resolution of 12 bits and a conversion type of Pulse Width Modulation (PWM), this module is ideal for environments requiring detailed analog output control.
Key Features
- Four Single-ended Outputs: Configurable for 0 to 20 mA, 4 to 20 mA, +/- 10 VDC, or 0 to 10 VDC.
- 12-bit Resolution: Provides high precision in voltage and current output.
- PWM Conversion: Pulse Width Modulation for reliable analog output conversion.
- Left-justified, 16-bit 2’s complement Data Format: Ensures compatibility with various industrial systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Product Type | Flex I/O Output Analog Module |
| Resolution | 12 bits (+/- sign) |
| Conversion Type | Pulse Width Modulation (PWM) |
| Data Format | Left-Justified, 16-bit 2’s complement |
| Voltage | 2.56 mV per count |
| Current | 5.13 µA per count |
| Outputs | 4 Single-ended outputs |
| Output Types | 0 to 20 mA, 4 to 20 mA, +/- 10 VDC, 0 to 10 VDC |
| Conversion Rate | 1.024 ms maximum |
| Power Dissipation | 4.5 W at 31.2 V DC maximum |
| Thermal Dissipation | 13.6 BTU/hour |
| Current Load on Voltage Output | 3 mA maximum |
| Flexbus Current | 20 mA |
| Power/Status Indicator | 1 green/red LED |
| External DC Supply | 24V DC nominal (10.0–31.2V DC) |
| Mounting | DIN Rail |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Storage Temperature | -40 to 85 °C (-40 to 185 °F) |
| Vibration | 5g @ 10 to 500 Hz |
Part Information
- Part Number/Catalog No.: 1794-OE4
- UPC: 10612598137876
- UNSPSC Code: 32151602
Compatibility
The 1794-OE4 is designed for use with 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, and 1794-TBN terminal bases, making it highly adaptable for different industrial systems.
Frequently Asked Questions (FAQ)
Q1: What is the output range for the Allen-Bradley 1794-OE4 module?
A1: The 1794-OE4 offers several output options: 0 to 20 mA, 4 to 20 mA, +/- 10 VDC, and 0 to 10 VDC.
Q2: Does the module support Pulse Width Modulation (PWM) for output conversion?
A2: Yes, the module uses Pulse Width Modulation (PWM) to convert the output signals, ensuring reliable performance in industrial systems.
Q3: What is the power supply requirement for this module?
A3: The module requires an external 24V DC power supply, with a voltage range of 10.0–31.2V DC (including 5% AC ripple).
Q4: How fast is the conversion rate for the analog outputs?
A4: The 1794-OE4 has a conversion rate of 1.024 ms maximum across all channels.
Q5: Can I use this module for outdoor applications?
A5: The module is designed for industrial environments and should be operated within the specified temperature range of 0 to 55 °C. It is also resistant to vibration up to 5g.
Details
| Weight | 0.2 kg |
|---|
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