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1756-OF8I | Allen-Bradley ControlLogix Analog Output Module, 8 Isolated Points
- Regular price
- $1,547.00
- Sale price
- $1,547.00
- Regular price
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Product Description P/N: 1756-OF8I
DescriptionΒ
The Allen-Bradley 1756-OF8I is an isolated analog output module from the ControlLogix series. It provides eight individually isolated channels capable of delivering both voltage and current output signals for driving modulating actuators and industrial devices.
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Technical SpecificationsΒ
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Analog Output Modules |
| Part Number | 1756-OF8I |
| Subcategory | ControlLogix |
| Type | Isolated Analog Output Module |
| Number of Channels | 8 isolated analog outputs |
| Output Types | Voltage / Current, single-ended, isolated |
| Output Ranges | Β±10 VDC, 0β5 VDC, 0β10 VDC, 0β20 mA |
| Resolution | 16-bit (signed) |
| Diagnostics | Module health, calibration, fault, and comm status indicators |
| Mounting | ControlLogix chassis |
| Operating Temperature | 0β¦60 Β°C (32β¦140 Β°F) |
| Storage Temperature | β40β¦85 Β°C |
| Relative Humidity | Up to 95% RH |
| Vibration | 2 m/sΒ² @ 500 Hz |
| Shock | 30 g |
| Voltage Rating | 10 V class (per module spec) |
| Output Isolation | Per-channel electrical isolation; optically & magnetically isolated |
| Standards Compliance | IEC 60068-2-1, -2, -6, -14, -27, -30; IEC 61000-4-2/3/4/5/6; IEC 61000-6-4 |
| Applications | Process control, analog actuation, machine automation |
| Special Features | Mixed voltage/current capability, individually isolated channels |
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Information About 1756-OF8I
The 1756-OF8I belongs to the Allen-Bradley ControlLogix family of I/O modules and is designed for high-performance analog output applications. It supports configurable output ranges of -10 to 10V, 0 to 10V, 0 to 5V, and 0β20 mA or 4β20 mA, all with 15- to 16-bit resolution using IEEE 32-bit floating-point data format. Each channel is fully isolated, providing improved signal integrity and reduced interference across outputs. The module features R-Ladder DAC conversion with monotonic performance, ensuring accurate and stable signal generation without missing codes. It includes built-in open-circuit detection for current outputs, short-circuit detection for voltage outputs, and overvoltage protection up to Β±30V DC. With removable terminal blocks (1756-TBNH, 1756-TBSH, 1756-TBCH, 1756-TBS6H), it allows flexible wiring options for system integration. The 1756-OF8I is designed for direct installation into any 1756 ControlLogix chassis, supporting demanding industrial automation environments with reliability and precision.
Key Features:
- Channel Capacity: Provides eight (8) isolated analog output channels configurable for voltage or current signals.
- Output Ranges: Supports voltage outputs of -10 to 10V, 0 to 10V, 0 to 5V, and current outputs of 0β20 mA or 4β20 mA.
- Resolution and Format: Delivers 15β16-bit resolution with IEEE 32-bit floating-point data format for high accuracy.
- Conversion Method: Uses R-Ladder DAC with monotonic conversion and no missing codes for precise signal control.
- Protection Functions: Includes open-circuit detection (current), short-circuit detection (voltage), and Β±30V DC overvoltage protection.
- Electrical Ratings: Backplane current draw of 200 mA at 5.1V DC and 275β400 mA at 24V DC with a maximum power dissipation of 6.5W.
- Isolation: Provides 50V continuous isolation voltage, tested up to 1500V AC/2300V AC for 60 seconds for channel-to-channel and backplane safety.
- Environmental Reliability: Operates in 0β60 Β°C with 5β95% non-condensing humidity, shock tested to 30G, ensuring rugged industrial performance.
The 1756-OF8I delivers the reliability and precision required for complex process control and motion applications in industrial automation systems.
DescriptionΒ
The Allen-Bradley 1756-OF8I is an isolated analog output module from the ControlLogix series. It provides eight individually isolated channels capable of delivering both voltage and current output signals for driving modulating actuators and industrial devices.
Β
Β
Technical SpecificationsΒ
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Analog Output Modules |
| Part Number | 1756-OF8I |
| Subcategory | ControlLogix |
| Type | Isolated Analog Output Module |
| Number of Channels | 8 isolated analog outputs |
| Output Types | Voltage / Current, single-ended, isolated |
| Output Ranges | Β±10 VDC, 0β5 VDC, 0β10 VDC, 0β20 mA |
| Resolution | 16-bit (signed) |
| Diagnostics | Module health, calibration, fault, and comm status indicators |
| Mounting | ControlLogix chassis |
| Operating Temperature | 0β¦60 Β°C (32β¦140 Β°F) |
| Storage Temperature | β40β¦85 Β°C |
| Relative Humidity | Up to 95% RH |
| Vibration | 2 m/sΒ² @ 500 Hz |
| Shock | 30 g |
| Voltage Rating | 10 V class (per module spec) |
| Output Isolation | Per-channel electrical isolation; optically & magnetically isolated |
| Standards Compliance | IEC 60068-2-1, -2, -6, -14, -27, -30; IEC 61000-4-2/3/4/5/6; IEC 61000-6-4 |
| Applications | Process control, analog actuation, machine automation |
| Special Features | Mixed voltage/current capability, individually isolated channels |
Β Β
Β
Information About 1756-OF8I
The 1756-OF8I belongs to the Allen-Bradley ControlLogix family of I/O modules and is designed for high-performance analog output applications. It supports configurable output ranges of -10 to 10V, 0 to 10V, 0 to 5V, and 0β20 mA or 4β20 mA, all with 15- to 16-bit resolution using IEEE 32-bit floating-point data format. Each channel is fully isolated, providing improved signal integrity and reduced interference across outputs. The module features R-Ladder DAC conversion with monotonic performance, ensuring accurate and stable signal generation without missing codes. It includes built-in open-circuit detection for current outputs, short-circuit detection for voltage outputs, and overvoltage protection up to Β±30V DC. With removable terminal blocks (1756-TBNH, 1756-TBSH, 1756-TBCH, 1756-TBS6H), it allows flexible wiring options for system integration. The 1756-OF8I is designed for direct installation into any 1756 ControlLogix chassis, supporting demanding industrial automation environments with reliability and precision.
Key Features:
- Channel Capacity: Provides eight (8) isolated analog output channels configurable for voltage or current signals.
- Output Ranges: Supports voltage outputs of -10 to 10V, 0 to 10V, 0 to 5V, and current outputs of 0β20 mA or 4β20 mA.
- Resolution and Format: Delivers 15β16-bit resolution with IEEE 32-bit floating-point data format for high accuracy.
- Conversion Method: Uses R-Ladder DAC with monotonic conversion and no missing codes for precise signal control.
- Protection Functions: Includes open-circuit detection (current), short-circuit detection (voltage), and Β±30V DC overvoltage protection.
- Electrical Ratings: Backplane current draw of 200 mA at 5.1V DC and 275β400 mA at 24V DC with a maximum power dissipation of 6.5W.
- Isolation: Provides 50V continuous isolation voltage, tested up to 1500V AC/2300V AC for 60 seconds for channel-to-channel and backplane safety.
- Environmental Reliability: Operates in 0β60 Β°C with 5β95% non-condensing humidity, shock tested to 30G, ensuring rugged industrial performance.
The 1756-OF8I delivers the reliability and precision required for complex process control and motion applications in industrial automation systems.
