The Yokogawa ALP121-S00 acts as a critical master or slave interface within the Centum VP distributed control architecture. Specifically, this module enables the Field Control Station to manage and monitor various PROFIBUS-compliant instruments such as motor starters and valves. As the "Standard Type," it delivers reliable performance in non-corrosive environments while maintaining full compatibility with the FIO hardware series. Furthermore, the isolated interface ensures that electrical disturbances from the field side do not impact the core system electronics.
In terms of performance, the module supports a wide spectrum of transmission speeds ranging from 9600 bps to 12 Mbps. Specifically, the onboard processor manages the timing requirements of the PROFIBUS protocol to maintain high data throughput and low latency. Meanwhile, the communication interface remains fully EIA-RS-485-compliant, which is the industry standard for robust serial networking. This versatility allows engineers to optimize the network speed based on the total cable length and the number of connected devices.
The Yokogawa ALP121-S00 excels in large-scale industrial plant layouts where devices are spread across significant distances. Specifically, the module supports a maximum transmission distance of 1.2 km when operating at lower communication speeds. Therefore, it provides an ideal solution for remote I/O stations or sprawling process units that require centralized control. Additionally, the D-sub 9-pin female connector simplifies the physical connection process by utilizing standard PROFIBUS cable assemblies.
Specifically, the Yokogawa ALP121-S00 features a compact and lightweight design with a net weight of approximately 0.3 kg. Its physical dimensions allow for high-density installation in standard FIO node units without causing airflow obstructions. Moreover, the module consumes a maximum current of 0.7 A, ensuring it stays within the power budget of typical system baseplates. Since this is the "S00" variant, it represents the standard hardware configuration without the optional G3 conformal coating.
First, ensure that the FIO node unit is powered down before you insert the communication module into the slot. Next, align the Yokogawa ALP121-S00 with the guide rails and push firmly until the backplane connectors engage completely. After that, plug the PROFIBUS cable into the D-sub 9-pin port and secure the retaining screws for a stable connection. Finally, use the system configuration software to set the station address and baud rate before initializing the communication link.
1 x Yokogawa ALP121-S00 Communication Module
Factory-Sealed Anti-Static Protective Bag
Shipping Carrier: Fedex, UPS, DHL
Q: What is the maximum transmission speed of the ALP121-S00? Specifically, the module supports high-speed data transfers up to 12 Mbps, depending on the network configuration and cable quality.
Q: Does this module include signal isolation? Yes, the Yokogawa ALP121-S00 provides electrical isolation between the field-side wiring and the internal system logic for enhanced protection.
Q: Which connector type does the PROFIBUS port use? The module features a standard D-sub 9-pin female connector, which is compatible with most industrial PROFIBUS cable plugs.
Q: How far can the signal travel using this module? The maximum distance reaches 1.2 km at a speed of 9600 bps, though higher speeds will significantly reduce this range.
Q: Can I use the Woodward 5466-253 in a G3 corrosive environment? Specifically, the -S00 version is for standard environments; you should select the -S01 version for ISA Standard G3 protection.
| Brand Name | Yokogawa Electric |
| Model No. | ALP121-S00 |
| Product Type | PROFIBUS-DP Communication Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
