The T7420A and T7420AF are analog input modules designed for precise measurement and control in industrial automation systems. They support both differential and single-ended input configurations.
Features
Inputs: Eight differential or 16 single-ended (jumper selectable).
Power Supply: No external power required for module electronics; analog field loop power is not supplied.
Safetybus Power: 1.85 load units.
Accuracy and Drift: High accuracy with minimal drift across various voltage and current ranges.
Over Voltage Protection: ±60 VDC/85 VAC RMS for powered conditions; ±45 VDC/45 VAC RMS for unpowered conditions.
Frequency Response: Single-ended and differential modes with varying frequency response characteristics.
Specifications
Voltage Ranges:
Voltage: ±10.00 V, ±5.00 V, +5.00 V, +10.00 V
Current: 0.00 to +20.00 mA, -20.00 to +20.00 mA
Accuracy/Drift:
±10.00 V: 0.12%/100 ppm/°C
+10.00 V: 0.08%/55 ppm/°C
±5.00 V: 0.13%/110 ppm/°C
+5.00 V: 0.10%/65 ppm/°C
+1.00 V: 0.10%/70 ppm/°C
Data Update Rate:
Single-ended or 16-channel mode: 3.60 msec
Differential or 8-channel mode: 1.80 msec
Isolation: 2500 volts minimum (field wiring to control logic)
Heat Dissipation: 9 Watts, 31 BTUs/hour
Operating Temperature: 0° to 60° C (32° to 140° F)
Storage Temperature: -40° to 85° C (-40° to 185° F)
Operating Humidity: 0 to 95% relative humidity, non-condensing
Vibration: 10 to 55 Hz: ±0.15mm
Shock: 15 g, ½ sine wave, 11 msec
Electromagnetic Interference: Meets IEC standards and safety certifications.
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.
