1794-OE4 Allen Bradley Rockwell Automation
Technical Specifications for 1794-OE4
Manufacturer | Rockwell Automation |
Wire Size: | Determined by installed terminal base |
External DC supply, nom: | 24V DC |
Indicators: | 1 green/red power/status indicator |
Terminal base: | 1794-TB2, -TB3, -TB3S, -TB3T, -TB3TS, and -TBN |
Conversion Rate: | 1.024ms maximum all channels |
Output type: | 0 to 20 mA; 4 to 20 mA; +/- 10VDC; 0 to 10 VDC |
No. of inputs: | Four (4) Single Ended |
Product Description: | Flex IO High Density Analog Output Module |
External DC supply range: | 10.0…31.2V DC (includes 5% AC ripple) |
Mounting: | DIN Rail |
Brand | Allen-Bradley |
Operating Temperature: | 0 to 55 C (32 to 131 F) |
Storage Temperature: | –40…85 °C (–40…185 °F) |
Resolution | 12 bits plus sign Voltage: 2.56mV/cnt Current: 5.13µA/cnt |
Data Format | left justified, 16 bit 2s complement |
Conversion Type | Pulse Width modulation |
Vibration: | 5g @ 10 to 500 Hz |
Part Number/Catalog No. | 1794-OE4 |
Product Type | Flex I/O Output Analog Module |
Outputs | 4 Single-ended |
Output Current Terminal | 4 to 20 mA |
Output Voltage Terminal | +/- 10 Volts |
Current Load on Voltage Output | 3 mA maximum |
Flexbus Current | 20 mA |
Power Dissipation | 4.5 W at 31.2 Volts DC maximum |
Thermal Dissipation | 13.6 BTU/hour at 31.2 Volts DC maximum |
UPC | 10612598137876 |
UNSPSC | 32151602 |
About 1794-OE4
The 1794-OE4 has a resolution of 12 bits plus sign with specific increments and decrements of 2.56mV/cnt for voltage and 5.13µA/cnt for Current. The module’s analog data is stored to a registered formatted as left justified, 16 bit 2’s complement. This register is converted using pulse width modulation method.
The 1794-OE4 supports installation with Flex I/O communication adapters including 1794-ACN15, 1794-ACNR15, 1794-AND, 1794-AENT, and 1794-AENTR. It may also be used with a MicroLogix compact controller, via 1794-ASB and 1794-APB communication adapters.
The 1794-OE4 is compatible with a variety of terminal bases such as 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, and 1794-TBN. Only One (1) terminal base is required to install the module. Terminal bases provide DIN rail attachment as well as output signal wiring termination points. The 1794-OE4 required keyswitch position is 4.
The module has a dimension of 94.0 x 94.0 x 53.3 mm or 3.7 x 3.7 x 2.1 in. It has a with built-in group diagnostic LEDs that consists of One (1) green/red power/status indicator.
The 1794-OE4 is provided with green status indicator for monitoring the module’s operation. This module does not require calibration. The module comes with an output resolution of 12 bit + sign, 2.56 mV/cnt for voltage, and 5.13 µA/cnt for current output. It uses pulse width modulation as its output conversion type, with an output conversion rate for all channels of 1.024 milliseconds.The
1794-OE4 module has a current input accuracy of 0.425% full scale at 25 degrees Celsius and it has 0.0069% full scale per degree Celsius current input accuracy drift with temperature. Its voltage input accuracy is 0.133% full scale at 25 degrees Celsius and it has 0.0045% full scale per degree Celsius voltage input accuracy drift with temperature.
The module’s output signal ranges are 4 to 20 mA, 0 to 20 mA, +/-10 Volts, and 0 to 10 Volts. The 1794-OE4 also has an external DC supply current of 70 mA at 24 Volts DC. No individual channels are isolated, but the module has a continuous isolation voltage of 50 Volts between I/O and the system. It has a 24 milliseconds input step response time for the voltage or input terminals and a 20 mA bus rating. This module has 24 milliseconds (voltage output) step response time of up to 63% of the full-scale setting. It has a 3 mA maximum current load on the voltage output and a 15 to 750 Ω resistive load for the output current. This module’s maximum power dissipation is 4.5W at 31.2 Volts DC and its maximum thermal dissipation is 15.3 BTU/ hour also at 31.2 Volts DC. It also has an operating temperature range of 0 to 55 degrees Celsius.
FAQ for 1794-OE4
What is the data conversion type of 1794-OE4?
1794-OE4 uses Pulse with Modulation for conversions.
What is the data format of 1794-OE4?
The data format of 1794-OE4 is left justified, 16 bit 2’s compliment.
What is the price of 1794-OE4?
Submit a quote request, send us an email, or call 800-730-0292 for our best price.
What are the output signals provided by the 1794-0E4?rating Shock:
The module’s output signals of 0-20 mA, 4-20 mA, 0-10VDC and +/- 10VDC.
What is the output module resolution?
The module’s resolution is 12 bits plus sign. Specifically, 2.56mV/cnt for voltage and 5.13µA/cnt for current.