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Allen-Bradley 1794-OF4I | Flex 4 Point Analog Output Module
Allen-Bradley 1794-OF4I | Flex 4 Point Analog Output Module
Technical Specifications:
Manufacturer:
Allen-Bradley
Product No.:
1794-OF4I
Condition:
In Stock
Product Type:
Flex 4 Point Analog Output Module
Product Origin:
USA
Weight:
200g
Shipping port:
Xiamen
Warranty:
12 months
Allen-Bradley 1794-OF4I Flex 4 Point Analog Output Module
Specifications
General Specifications
| Attribute | Value |
|---|---|
| Number of outputs | 4 isolated |
| Module location | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN terminal base |
| Flexbus voltage | 5V DC |
| Flexbus current | 55 mA |
| External DC power supply, nom voltage range | 24V DC 18.2…31.2V DC (includes 5% AC ripple) |
| External DC power supply current | 210 mA @ 24V DC |
| Thermal dissipation, max | 16 BTU/hr @ 31.2V DC |
| Power dissipation, max | 4.7 W @ 31.2V DC |
| Isolation voltage | 120V (continuous), Basic Insulation Type, channel to channel, channel to user, channel to system, and user power to system when used with 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, or 1794-TB3TS. 250V (continuous), Basic Insulation Type, channel to channel, channel to user, channel to system, and user power to system when used with 1794-TBN. Type tested at 1000V AC for 60 s. |
| Data format | 2’s complement 2’s complement ⅔ Binary Offset binary |
| Indicators | 1 red/green power/status indicator |
| Keyswitch position | 4 |
| Dimensions, with module installed in base, approx. (H x W x D) | 94.0 x 94.0 x 66.0 mm (3.7 x 3.7 x 2.6 in.) |
| Conductor category1 | 2 – on signal ports 2 – on power ports |
| Conductor wire size | Determined by the installed terminal base |
| Wire type | Shielded on signal ports |
| North American temp code | T4A |
| IEC temp code | T4 |
| UKEX/ATEX temp code | T4 |
Module Specifications – 1794-OF4I
| Attribute | Value |
|---|---|
| Resolution | 15 bits plus sign |
| Voltage | 0.320 mV/cnt |
| Current | 0.658 μA/cnt |
| Conversion type | Digital-to-analog converter |
| Update rate | 2.5/5.0 ms all channels (see Table 4 on page 7) |
| Output current terminal | 0 mA output until module is configured 4...20 mA (configurable) 0...20 mA (configurable) |
| Output voltage terminal | 0V output until module is configured ±10V (configurable) ±5V (configurable) 0...10V (configurable) 0...5V (configurable) |
| Step response to 63% of full-scale | < 25 μs |
| Current load on voltage output, max | 3 mA |
| Resistive load on voltage output | 0...750 Ω |
| Absolute accuracy | Voltage terminal 0.1% full-scale @ 25 °C (77 °F) Current terminal 0.1% full-scale @ 25 °C (77 °F) |
| Accuracy drift with temperature | Voltage terminal 0.0012% full scale/°C 0.0025% full scale/°C Current terminal 0.0025% full scale/°C |
| Calibration | Factory-calibrated; recalibrate when necessary. |
| Maximum overload | 30V continuous or 32 mA continuous, one channel at a time. |
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