Product Description
The A2MMM843-SS1000 is a high-density, software-configurable digital interface module designed for the Yokogawa CENTUM VP N-IO (Network I/O) subsystem. This module provides a flexible hardware layer where each of its 16 channels can be independently configured as either a digital input (DI) or digital output (DO) through software.
Engineered for mission-critical process automation, the A2MMM843-SS1000 supports fully redundant system configurations, helping eliminate single points of failure within distributed control architectures. The module incorporates robust galvanic isolation and is certified for hazardous environments, making it well suited for industrial facilities operating in volatile or high-risk conditions.
Its flexible architecture enables efficient signal integration while reducing hardware complexity, making it a key component for scalable and highly reliable distributed control system (DCS) deployments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | A2MMM843-SS1000 |
| Module Type | Configurable Digital Input/Output (N-IO) |
| Number of Channels | 16 isolated channels |
| Channel Logic | Individual software configuration (DI or DO per channel) |
| Rated Supply Voltage | 24 V DC |
| Maximum Current Draw | 700 mA (with 16 DO channels at 20 mA loads) |
| Dielectric Strength | 1500 V AC (I/O to system logic for 60 seconds) |
| Maximum Continuous Voltage | 42 V DC |
| Form Factor | Baseboard-mounted |
| Compatible Baseboards | A2BN4D, A2BN5D |
| Fault Tolerance | Supports dual-redundant configurations |
| Unit Weight | 0.41 kg |
Application Scenarios
The A2MMM843-SS1000 N-IO module is widely used in both new automation installations and modernization projects where flexibility, space optimization, and simplified wiring are critical.
Because the module supports “late binding” configuration, engineers can assign input or output functionality via software rather than fixed hardware wiring. This significantly reduces engineering effort during system commissioning and allows easier future modifications.
Typical applications include integration with field switches, solenoid valves, motor starters, and status feedback signals in industries such as oil & gas, petrochemical processing, pharmaceutical production, and large-scale manufacturing plants operating under the Yokogawa CENTUM VP architecture.
FAQ
Q: Can I mix Digital Input and Digital Output signals on the same A2MMM843-SS1000 module?
A: Yes. Each of the 16 channels is independently configurable through software, allowing a flexible combination of DI and DO signals on a single module.
Q: Which baseboards are required for mounting the A2MMM843-SS1000?
A: The module is designed to be installed on N-IO field connection baseboards, specifically the A2BN4D or A2BN5D, which provide the physical field wiring terminations and system connectivity.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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