The Allen Bradley 1746-OB32 is a 32-channel digital DC output module from the SLC 500 series.
Technical Specifications:
- Manufacturer: Allen Bradley (Rockwell Automation)
- Model: 1746-OB32
- Series: SLC 500
- Module Type: Digital DC Output (Sourcing)
- Number of Outputs: 32 (2 groups of 16)
- Operating Voltage: 5–50 VDC
- Nominal Output Voltage: 24 VDC
- Output Current per Point: 0.25 A @ 60°C
- Output Current per Module: 8 A @ 0–60°C
- Surge Current per Point: 1.0 A for 1 ms (repeatable every 2 s)
- Backplane Current: 190 mA @ 5 VDC
- Signal Delay (Resistive Load): On = 0.1 ms; Off = 1.0 ms
- Off-State Leakage Current: 1 mA max
- On-State Voltage Drop: 1.2 V max @ 0.5 A
- Minimum Load Current: 1 mA
- Isolation Voltage: 1500 V AC for 1 minute
- Mounting: Rack-mounted in 1746 chassis
- Certifications: UL, CE, CSA, Class I Div 2
Key Features:
- 32-channel high-density DC output module for SLC 500 systems
- Compact design conserves chassis space
- Removable terminal block simplifies installation and maintenance
- LED indicators provide real-time output status
- Optical isolation protects against voltage transients
Compatible Components & Accessories:
- Allen Bradley SLC 500 processors (e.g., 1747-L531, 1747-L541)
- 1746 series I/O chassis and power supplies
- RSLogix 500 programming software
- PanelView HMIs and communication modules
Industry Applications:
- Manufacturing automation
- Material handling systems
- Process control in water treatment facilities
- Packaging and labeling operations
- Food and beverage processing
Installation & Maintenance Notes:
- Ensure proper alignment when inserting into the chassis slot
- Power down the system before installing or removing the module
- Use RSLogix 500 for configuration and diagnostics
- Periodically inspect for dust accumulation and electrical wear
- Maintain ambient operating temperature between 0°C to 60°C (32°F to 140°F)
Request a Quote:
For pricing and availability, please Contact Us or call 1-800-755-2883.
Disclaimer: TCI Supply is not an authorized distributor of Allen Bradley products.
Frequently Asked Questions
What is the voltage range of the 1746-OB32?
The 1746-OB32 operates within a voltage range of 5 to 50 VDC.
How many outputs does the 1746-OB32 provide?
This module offers 32 DC output channels, organized into two groups of sixteen.
Is the 1746-OB32 compatible with all SLC 500 processors?
Yes, the 1746-OB32 is designed to integrate seamlessly with all SLC 500 processors and compatible chassis.
What is the maximum current per output channel?
Each output channel supports up to 0.25 A at 60°C.
Does the 1746-OB32 include built-in diagnostics?
While the 1746-OB32 does not have built-in diagnostics, it features LED indicators for each output channel, providing immediate visual status updates.
