The high-density DC output module from the Allen-Bradley PLC-5 series provides 32 sourcing-type outputs for controlling DC-powered devices. It is designed for use in 1771 I/O chassis with PLC-5 processors, supporting high-speed digital control in industrial environments.
Technical Specifications
Part Number: 1771-OBN
Module Type: DC Digital Output Module
Number of Outputs: 32 (4 groups of 8)
Output Type: Source (requires sinking field devices)
Output Voltage Range: 10–30 V DC
Voltage Category: 10–60 V DC
Max Continuous Current per Output: 0.5 A
Max Current per Group: 2 A
Max Current per Module: 8 A
Surge Current:
2 A per output (10 ms, repeatable every 2 s)
5 A per group (10 ms, repeatable every 2 s)
20 A per module (10 ms, repeatable every 2 s)
Max On-State Voltage Drop: 1.5 V DC @ 0.5 A
Max Off-State Leakage Current: 1.0 mA @ 55°C
Signal Delay:
On to Off: 2.0 ms
Off to On: 0.1 ms
Backplane Current: 330 mA @ 5 V DC
Power Dissipation: 1.7–13.7 W
Thermal Dissipation: 5.7–46.7 BTU/hr
Isolation Voltage: 1500 V AC RMS
Status Indicators: 32 red LEDs (one per output)
Fuse-blown indicator: Yes
Field Wiring Arm: 1771-WN
Wiring Arm Screw Torque: 9 in-lbs
Wire Size: 14 AWG max, 1.2 mm insulation
Keying: Between 14–16 and 20–22
Mounting: Single-slot, rack-mounted
Enclosure Type: Open (requires protective enclosure)
Operating Temperature: 0°C to +60°C
Storage Temperature: –40°C to +85°C
Humidity: 5–95% non-condensing
Country of Origin: USA
Compliance: UL, CSA, CE, RoHS
Key Features
32 high-true DC outputs for dense control applications
Sourcing configuration for direct device activation
LED indicators for output status and fuse condition
Optical isolation for enhanced system protection
Supports 2-slot addressing with condensed I/O groups
Field wiring arm enables module replacement without rewiring
Compatible with PLC-5 and Mini-PLC controllers
Designed for high-reliability industrial environments
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
