Configured for multi-channel signal acquisition and signal conditioning, the Yokogawa S9950DD-01 (S9950DD Data Acquisition Module) provides electrical signal interfacing for voltage, current, thermocouple, RTD, digital, and pulse inputs within industrial control and monitoring systems.
Hardware Specifications
Parameter
Specification
Model
S9950DD-01
Brand
Yokogawa
Module Type
Data Acquisition and Control System Module
Number of Channels
Up to 16 channels
Input Signals
Voltage, 4-20 mA current, thermocouple, RTD, digital, pulse
Signal Conversion
Analog-to-digital conversion
Channel Isolation
Galvanic / electrical isolation
Communication Interfaces
Industrial fieldbus, Ethernet, serial interfaces
Power Supply
24 VDC
Power Consumption
Not specified in supplied data
Mounting
DIN rail / rack mountable
Operating Temp
-20 deg C to +60 deg C
Channel Isolation and Signal Conditioning
The S9950DD-01 provides channel-to-channel electrical isolation for acquired signals. The isolation arrangement limits the propagation of ground-potential differences and electrical interference between individual measurement channels. Signal conditioning and noise filtering are provided before analog-to-digital conversion to maintain stable measurement data.
The module supports up to 16 input channels covering voltage, 4-20 mA current, thermocouple, RTD, digital, and pulse signal types. The supplied data does not specify individual input ranges, conversion accuracy, sampling rate, or isolation voltage ratings.
Frequently Asked Questions (FAQ)
Q: Does the S9950DD-01 support channel-to-channel isolation? A: Yes. The supplied specifications identify galvanic / electrical isolation per channel.
Q: What input signal types are supported? A: The supplied data lists voltage, 4-20 mA current, thermocouple, RTD, digital, and pulse inputs.
Q: Is hot-swapping supported? A: Hot-swap capability is not specified in the supplied data. Installation or removal should therefore be performed according to the applicable Yokogawa system hardware procedure.
Field Installation Guidelines
Install the module on the specified DIN rail or rack mounting structure and verify mechanical retention before wiring.
Confirm that the installed supply is 24 VDC and that the actual module power requirement is compatible with the available supply capacity.
Separate low-level analog signal wiring from high-current power, switching, and high-noise conductors where practical.
Use appropriate shielded instrumentation cable for sensitive analog, thermocouple, and RTD circuits.
Terminate cable shields according to the system grounding design. Avoid creating unintended ground loops through multiple shield termination points.
Verify input signal type and polarity against the system wiring documentation before energizing the module.
Maintain correct thermocouple polarity and use the appropriate thermocouple extension or compensation wiring.
Do not insert or remove the module under power unless the applicable Yokogawa hardware documentation explicitly permits energized replacement.
Verify communication and field wiring continuity before placing acquired signals into closed-loop control.
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.
