The YASKAWA JAMSI-B1031 (often listed interchangeably with the part number JRMSI-B1031) is a PLC Mounting Base (Backplane/Chassis)

belonging to the Memocon-SC series of industrial controllers. It serves as the physical and electrical framework into which various CPU and I/O modules are installed.

Introduction

The JAMSI-B1031 is a 10-slot mounting base. Its primary role is to provide the internal communication bus and power distribution lines for the PLC modules.

It is a legacy product, widely found in older factory automation systems, particularly in heavy industries like steel, automotive, and chemicals.

Technical Parameter Table

Product Advantages and Features

High Expandability: With 10 slots available, it allows for complex system configurations involving multiple digital, analog, and communication modules.

Rugged Construction: Built to withstand the harsh environments of 1980s and 90s industrial plants, featuring strong vibration resistance.

Stable Bus Communication: Ensures reliable high-speed data transfer between the CPU and remote I/O modules via a dedicated backplane bus.

Standardized Modular Design: Supports easy replacement of individual modules without disturbing the overall wiring of the rack.

JAMSI-B1031

Application Cases

Steel Industry: Used in legacy control systems for rolling mills and blast furnace monitoring.

Marine Automation: Found in older vessel engine room monitoring and cargo control systems.

Legacy Factory Upgrades: Often kept in service as a base for modernizing older machines where complete rewiring is cost-prohibitive.

Material Handling: Coordinating large-scale conveyor networks in older distribution centers.

Related Models & Other Models in the Same Series

The Memocon-SC series utilizes a variety of mounting bases and companion modules. Depending on the size of the control system, different base models are used:

JAMSI-B1031