Allen Bradley 1771-ICD DC Digital Input Module, 20-60V
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Sku:1771-ICD
Country Of Origin: USA
Vendor: Allen Bradley
Type: Digital Input
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Product description
Overview
The 1771-ICD is a 16-point digital DC input module designed for use in Allen-Bradley PLC-5 systems. It accepts 20–60 V DC signals and converts them into logic-level inputs for processor recognition.
Technical Specifications
Catalog Number: 1771-ICD
Module Type: Digital DC Input
Number of Inputs: 16
Input Voltage Range: 20–60 V DC
Nominal Input Current:
2 mA @ 20 V DC
6 mA @ 60 V DC
Minimum On-State Voltage: 20 V DC
Maximum Off-State Voltage: 12 V DC
Maximum Off-State Current: 1.2 mA
Input Impedance: 10 kΩ max
Typical Signal Delay (ON): 6 ±2 ms
Typical Signal Delay (OFF): 20 ±1 ms
Backplane Current: 250 mA @ 5 V DC
Power Dissipation: 1.3–5.9 W
Thermal Dissipation: 4.3–19.93 BTU/hr
Isolation Voltage: 1500 V AC (rms)
Wiring Arm: 1771-WN
Mounting: Rack-mountable in 1771 I/O chassis
Operating Temperature: 0 to +60 °C
Storage Temperature: –40 to +85 °C
Humidity: 5–95% RH, non-condensing
Certifications: UL, CE (legacy compliance)
Functional Highlights
Converts 20–60 V DC signals to logic-level inputs
Opto-isolated inputs for enhanced noise immunity
Input filtering to suppress contact bounce and transients
LED indicators for individual input status
Supports 2-wire and 3-wire input device configurations
Fault mode jumper for last-state or reset behavior
Compatible with Series B 1771 chassis (A1B–A4B, AM, AM1)
Application Scenarios
Discrete Signal Acquisition: Captures ON/OFF states from field devices such as pushbuttons, selector switches, and limit switches
Source-Switching Devices: Ideal for interfacing with dry-contact switches and electro-mechanical transmitters
Legacy PLC-5 Installations: Maintains compatibility with existing 1771 chassis and wiring arms
Industrial Automation Systems: Suitable for monitoring control panel inputs and machine status signals
Noise-Prone Environments: Opto-isolation and filtering enhance reliability in electrically noisy areas
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.
