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Toptech Multiload II+ SMP

Toptech Multiload II+ SMP is a single-meter load rack preset for custody-transfer loading and unloading of petroleum and other liquid products. It combines measurement control, optional access control and terminal communications in a simplified enclosure for straightforward single-meter applications. Request a quote for Toptech Multiload II+ SMP from AxFlow.

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Key product features

  • Single-meter preset architecture → Provides a focused control solution without unnecessary multi-arm complexity
  • Internal I/O for one meter and up to two additives → Reduces the need for separate control hardware
  • Four serial communication ports → Supports integration with established terminal equipment and host systems
  • Two 10/100/1000 Mb Ethernet ports → Provides flexible high-speed network connectivity
  • External I/O expansion capability → Allows the installation to grow when control requirements change
  • Stand-alone Driver/PIN validation → Supports controlled operator access without requiring continuous host connectivity
  • Transaction storage and meter-ticket printing → Supports local loading records and operational continuity
  • Optional integrated card reader → Enables access-control integration at the loading point
  • Current II+ enclosure and interface design → Supports a modern hardware platform for replacing older presets
  • Common Multiload II+ firmware environment → Helps standardise operation and maintenance across terminal sites

Product Description

Toptech Multiload II+ SMP is intended for loading points where one meter must be controlled accurately without the complexity of a full multi-arm preset. It supports custody-transfer workflows for petroleum liquids and related products and can operate as a stand-alone preset or exchange transaction data with terminal automation systems. This makes it relevant for smaller loading positions, upgrades of mechanical meter stacks and standardisation projects where operators want a modern common control platform.

The SMP configuration places the required I/O inside the enclosure for one meter and up to two additives. It provides four serial ports and two 10/100/1000 Mb Ethernet ports, while external I/O modules can be added when the application expands. Stand-alone functions include Driver/PIN validation, transaction storage and meter-ticket printing, and an integrated card reader is available as an option.

The current II+ hardware uses a larger operator display and updated keypad architecture compared with the previous Multiload II generation. Toptech also increased enclosure corrosion resistance and retained the previous generation's bottom mounting and conduit-entry locations to support practical upgrade projects. Exact metering approvals, hazardous-area certification and host-system requirements must still be checked for the selected installation.

For maintenance teams, the simplified single-meter architecture reduces the number of separate devices and interfaces that need to be supported at the loading point. AxFlow can support product selection, installed-base assessment and migration planning from older Multiload II hardware, including checks of meters, I/O, communications and terminal software. Request a quote from AxFlow for the correct Multiload II+ SMP configuration.


Toptech Multiload II+ SMP controls single-meter loading and unloading applications where custody-transfer measurement and reliable preset control are required. It is particularly relevant for petroleum terminals and other liquid-transfer points that do not need a full multi-arm controller. AxFlow can help confirm the correct configuration for the application.
The standard internal I/O is designed for one meter and up to two additives. External I/O modules are available when additional control points are required. The final I/O arrangement should be verified against the meter, additive and terminal-control requirements.
Yes, Multiload II+ SMP supports stand-alone functions including Driver/PIN validation, transaction storage and meter-ticket printing. It can also communicate with TMS or other terminal automation systems through serial and Ethernet connections. The required host integration should be confirmed during system selection.
Toptech developed the II+ generation as the current hardware platform and retained key mounting and conduit-entry positions to make upgrades easier. A replacement still requires verification of I/O, meters, communications, hazardous-area requirements and terminal software. AxFlow can support this installed-base and migration assessment.
Check the meter type, additive requirements, communication interfaces, access-control needs and hazardous-area classification. Any custody-transfer or local weights-and-measures requirements must also be confirmed for the final configuration. Contact AxFlow for product selection and availability.
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