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1771-OW | Allen-Bradley PLC-5 Digital Contact Output Module, 8-Point
- Regular price
- $278.00
- Sale price
- $278.00
- Regular price
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Product Description P/N: 1771-OW
Description
The Allen-Bradley 1771-OW is an eight-channel relay output module designed for use in classic 1771 I/O chassis systems. Each output can be configured as either a normally open or normally closed contact, providing flexibility for controlling a wide range of AC and DC loads. Operating from the system backplane, the module supports industrial control applications where selectable relay operation and reliable switching performance are required.
Technical Specifications
| Condition | New/Never Used Surplus |
| Category | PLC Modules |
| Subcategory | 1771 Digital Output |
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Series | 1771 Product Bulletin |
| Part Number | 1771-OW |
| Module Type | Selectable relay output module |
| Number of Outputs | 8 |
| Output Groups | 4 groups of 2 channels |
| Contact Form | N.O. / N.C. selectable |
| Default Configuration | Normally Open (N.O.) |
| Operating Voltage – AC | 24–138 VAC RMS |
| Operating Voltage – DC | 24–125 VDC |
| Output Current Rating per Channel | 1.0 A |
| Max Continuous Current per Module | 0.25 A @ 120V AC/DC; 1 A @ 30V AC/DC (30 W max) |
| Backplane Current | 700 mA |
| Power Dissipation | 3.3–3.7 W |
| Thermal Dissipation | 11.3–12.7 BTU/hr |
| Wiring Arm | 1771-WD |
| Wiring Arm Screw Torque | 7–9 in-lbs |
| Keying | Between 6–8 and 16–18 |
| Compatible Chassis | 1771 I/O chassis |
| Mounting | Rack mountable |
| Minimum Contact Load | 10 mA @ 24V AC/DC |
| Typical AC Signal Delay (Off) | 45 ± 15 ms |
| Typical DC Signal Delay (Off) | 50 ms |
| Coating | Conformal coat |
| Channels | 8 relay channels |
| DC Operating Voltage (Extended) | Up to 235 VDC |
| Operating Temperature | 0–60 °C |
| Storage Temperature | –40 to 85 °C |
| Humidity | 5–95%, non-condensing |
Information About 1771-OW
The 1771-OW belongs to the 1771 product bulletin family and provides four groups of relay outputs, with each group containing two independently selectable channels. The module allows users to choose between N.O. and N.C. contact orientation per channel, supporting both AC and DC voltage ranges for field devices. Designed for mounting in any standard 1771 I/O chassis (except the processor slot), it interfaces through the 1771-WD wiring arm to simplify installation and maintenance. With backplane-powered coil operation and conformal coating for added protection, the module ensures dependable performance in demanding industrial environments.
Key Features:
- Eight Selectable Relay Outputs: Channels can be individually set as N.O. or N.C., allowing flexible control behavior.
- Wide Operating Voltage Range: Supports 24–138 VAC RMS and 24–125 VDC loads for versatile device compatibility.
- Grouped Output Structure: Four groups of two channels each, each group with its own common connection.
- High Current Capacity: Provides up to 1 A per channel (30 W max at 30V AC/DC; 0.25 A at 120V AC/DC).
- Backplane-Powered Design: Draws up to 700 mA from the chassis backplane with no external power supply required.
- Relay Isolation: Output contacts are electrically isolated from logic circuitry for improved safety and signal separation.
- Rugged Construction: Conformal coating and operational ratings support use in harsh or dusty industrial environments.
- Easy Field Wiring: Uses the 1771-WD wiring arm for rapid terminal access and straightforward installation.
The 1771-OW delivers the controllability and durability needed for reliable discrete output switching in legacy 1771-series automation systems.
Description
The Allen-Bradley 1771-OW is an eight-channel relay output module designed for use in classic 1771 I/O chassis systems. Each output can be configured as either a normally open or normally closed contact, providing flexibility for controlling a wide range of AC and DC loads. Operating from the system backplane, the module supports industrial control applications where selectable relay operation and reliable switching performance are required.
Technical Specifications
| Condition | New/Never Used Surplus |
| Category | PLC Modules |
| Subcategory | 1771 Digital Output |
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Series | 1771 Product Bulletin |
| Part Number | 1771-OW |
| Module Type | Selectable relay output module |
| Number of Outputs | 8 |
| Output Groups | 4 groups of 2 channels |
| Contact Form | N.O. / N.C. selectable |
| Default Configuration | Normally Open (N.O.) |
| Operating Voltage – AC | 24–138 VAC RMS |
| Operating Voltage – DC | 24–125 VDC |
| Output Current Rating per Channel | 1.0 A |
| Max Continuous Current per Module | 0.25 A @ 120V AC/DC; 1 A @ 30V AC/DC (30 W max) |
| Backplane Current | 700 mA |
| Power Dissipation | 3.3–3.7 W |
| Thermal Dissipation | 11.3–12.7 BTU/hr |
| Wiring Arm | 1771-WD |
| Wiring Arm Screw Torque | 7–9 in-lbs |
| Keying | Between 6–8 and 16–18 |
| Compatible Chassis | 1771 I/O chassis |
| Mounting | Rack mountable |
| Minimum Contact Load | 10 mA @ 24V AC/DC |
| Typical AC Signal Delay (Off) | 45 ± 15 ms |
| Typical DC Signal Delay (Off) | 50 ms |
| Coating | Conformal coat |
| Channels | 8 relay channels |
| DC Operating Voltage (Extended) | Up to 235 VDC |
| Operating Temperature | 0–60 °C |
| Storage Temperature | –40 to 85 °C |
| Humidity | 5–95%, non-condensing |
Information About 1771-OW
The 1771-OW belongs to the 1771 product bulletin family and provides four groups of relay outputs, with each group containing two independently selectable channels. The module allows users to choose between N.O. and N.C. contact orientation per channel, supporting both AC and DC voltage ranges for field devices. Designed for mounting in any standard 1771 I/O chassis (except the processor slot), it interfaces through the 1771-WD wiring arm to simplify installation and maintenance. With backplane-powered coil operation and conformal coating for added protection, the module ensures dependable performance in demanding industrial environments.
Key Features:
- Eight Selectable Relay Outputs: Channels can be individually set as N.O. or N.C., allowing flexible control behavior.
- Wide Operating Voltage Range: Supports 24–138 VAC RMS and 24–125 VDC loads for versatile device compatibility.
- Grouped Output Structure: Four groups of two channels each, each group with its own common connection.
- High Current Capacity: Provides up to 1 A per channel (30 W max at 30V AC/DC; 0.25 A at 120V AC/DC).
- Backplane-Powered Design: Draws up to 700 mA from the chassis backplane with no external power supply required.
- Relay Isolation: Output contacts are electrically isolated from logic circuitry for improved safety and signal separation.
- Rugged Construction: Conformal coating and operational ratings support use in harsh or dusty industrial environments.
- Easy Field Wiring: Uses the 1771-WD wiring arm for rapid terminal access and straightforward installation.
The 1771-OW delivers the controllability and durability needed for reliable discrete output switching in legacy 1771-series automation systems.
