Allen-Bradley|1794-OF4I|Analog Output Module
AB 1794-OF4I Analog Output Module
Description The AB 1794-OF4I is a high-performance analog output module providing four isolated outputs for devices using voltage in the range of ±10V or 0...20mA current.
Features Compact design, high accuracy, and versatile connectivity options.
Technical Specifications
-
Power Dissipation:
- Max: 4.0 W @ 31.2V DC
- Max: 4.3 W @ 24V DC
- Max: 4.6 W @ 18V DC
-
Thermal Dissipation:
- Max: 14.7 BTU/hr @ 24V DC
-
Wire Size:
- 0.34 - 2.5 mm² (22...12 AWG) solid or stranded shielded copper wire with insulation max. 0.8 mm (0.031") or greater 1.2 mm (0.047") insulation max.
-
Dimensions:
- Approx. 48 x 94 x 58 mm (1.8 x 3.7 x 3.1 in.)
- Installed: 94 x 94 x 89 mm (3.7 x 3.7 x 2.7 in.)
-
Output Resolution:
- 15 bit + sign
- 0.003% Full Scale /cnt
- 0.320 mV/cnt
-
Data Format:
- 2's complement
- 2's complement percent binary
- offset binary
-
Output Conversion Rate:
- 2.5/5.0 ms
-
Step Response to 63% of FS, output:
- Current or voltage output: <25 µs
-
Current Load on Voltage Output, max:
- 3 mA
-
Output Current, Resistive Load:
- 0...750 Ω
-
Accuracy:
- Current input: 0.1% Full Scale @ 25°C (77°F)
- Voltage input: 0.1% Full Scale @ 25°C (77°F)
-
Accuracy Drift w/temp:
- Current input: 0.0025% Full Scale /°C
- Voltage input: 0.0012% Full Scale /°C
-
Isolation Voltage:
- 120V (continuous), when used with 1794-TBZ, 1794-TB3, 1794-TBS3, 1794-TBST, or 1794-TBSTS
- 250V (continuous), when used with 1794-TBN
- Type tested at 1500V AC for 60 s, and 2550V DC for 1 s, channel to channel, I/O to system
Allen-Bradley|1794-OF4I|Analog Output Module



Allen-Bradley|1794-OF4I|Analog Output Module
AB 1794-OF4I Analog Output Module
Description The AB 1794-OF4I is a high-performance analog output module providing four isolated outputs for devices using voltage in the range of ±10V or 0...20mA current.
Features Compact design, high accuracy, and versatile connectivity options.
Technical Specifications
-
Power Dissipation:
- Max: 4.0 W @ 31.2V DC
- Max: 4.3 W @ 24V DC
- Max: 4.6 W @ 18V DC
-
Thermal Dissipation:
- Max: 14.7 BTU/hr @ 24V DC
-
Wire Size:
- 0.34 - 2.5 mm² (22...12 AWG) solid or stranded shielded copper wire with insulation max. 0.8 mm (0.031") or greater 1.2 mm (0.047") insulation max.
-
Dimensions:
- Approx. 48 x 94 x 58 mm (1.8 x 3.7 x 3.1 in.)
- Installed: 94 x 94 x 89 mm (3.7 x 3.7 x 2.7 in.)
-
Output Resolution:
- 15 bit + sign
- 0.003% Full Scale /cnt
- 0.320 mV/cnt
-
Data Format:
- 2's complement
- 2's complement percent binary
- offset binary
-
Output Conversion Rate:
- 2.5/5.0 ms
-
Step Response to 63% of FS, output:
- Current or voltage output: <25 µs
-
Current Load on Voltage Output, max:
- 3 mA
-
Output Current, Resistive Load:
- 0...750 Ω
-
Accuracy:
- Current input: 0.1% Full Scale @ 25°C (77°F)
- Voltage input: 0.1% Full Scale @ 25°C (77°F)
-
Accuracy Drift w/temp:
- Current input: 0.0025% Full Scale /°C
- Voltage input: 0.0012% Full Scale /°C
-
Isolation Voltage:
- 120V (continuous), when used with 1794-TBZ, 1794-TB3, 1794-TBS3, 1794-TBST, or 1794-TBSTS
- 250V (continuous), when used with 1794-TBN
- Type tested at 1500V AC for 60 s, and 2550V DC for 1 s, channel to channel, I/O to system