Coolmay PLC All-in-One: 10 Application Scenarios

Still using separate control systems? A conventional design puts an HMI on the door, a PLC on the DIN rail and a power supply beside it, then asks wiring, terminal blocks, slots and rails to tie it together. Coolmay's PLC all-in-one controller replaces that stack with one integrated unit. This release covers the ten machine cases where it already runs in production, then the product features behind them.

Coolmay's controller is not a single-industry product. It has been adopted across ten machine categories, spanning footwear, labelling, writing, garment hardware, carton sealing, filling, packaging, die-cutting and punching. The common thread is the machine architecture: each needs a display, deterministic logic and I/O in a cabinet that keeps getting smaller.

The PUR shoe upper gluing machine is the clearest example. Footwear gluing stations are compact, densely packed and operated by staff who need a clear screen within arm's reach. A highly integrated HMI plus PLC design removes the panel-to-controller wiring that would otherwise snake through an already crowded frame.

Labeling, writing and button-handling machines follow the same logic at higher volume: built in series and sold on lead time as much as on capability. Where the enclosure is small and the build cycle is short, every component removed from the bill of materials compounds across the production run. Carton sealing, die-cutting and punching add a different demand — motion that repeats precisely at line speed, and fast field service when something drifts.

Filling and packaging machines sit at the connectivity end: rarely standalone, they are one station in a line and increasingly one node in a plant network shared with other vendors' equipment. Button winding and button attaching machines add the opposite requirement — many sensors, many stations, and a control layer that must scale with them.

Across all ten cases, the same feature set does the work. Coolmay's PLC all-in-one controller is a single engineering platform in which the display, the logic engine and the I/O layer are designed together rather than assembled from separate modules.

The integrated HMI plus PLC design removes the separate panel, the separate controller, the interposing relays and the long in-panel harness. The result is less wiring, fewer components and more usable space — for a machine built in series, lower sheet metal cost, assembly labour and shipping weight on every unit. Installation needs no extra wires, slots, rails or accessories.

Up to 24 I/O points give multi-station machines enough on-board capacity, while rich I/O with flexible expansion keeps it scalable as a platform grows. Up to 12 analog channels take temperature, pressure, tension and flow signals directly, without separate analog modules. Multiple specifications, including special configurations, match the model to the machine rather than forcing the machine into one catalogue variant.

Multiple built-in interfaces are part of the base platform, and one device can connect to multiple Modbus protocol devices at once, so sensors, drives and third-party controllers share one controller without extra gateways. An optional Ethernet port adds Modbus TCP, MC protocol and EtherNet/IP, letting a machine join an existing plant network. Networks can be assembled freely, and an optional 4G / Wi-Fi board adds remote monitoring and cloud-side data collection.

High-speed, high-precision pulse output commands servo and stepper axes directly, so sealing, cutting and punching motion stays synchronized with the product feed without a separate motion module. USB upload and download covers both HMI projects and connected PLC programmes, so backup, restoration after a board replacement and fleet-wide updates no longer need proprietary cabling.

Coolmay brings more than fifteen years of industrial control experience serving equipment manufacturers exporting to Europe, North America, Southeast Asia and the Middle East, with OEM customisation, private labelling and export documentation. Because the display, logic and I/O layers are engineered together, one platform can be reused across a builder's entire product range.

Coolmay PLC all-in-one controllers are available for sample evaluation and volume orders. Builders running separate control systems can request an application review comparing cabinet layout, wiring count and bill of materials.

Take the next step: tell Coolmay which machine you build and share your I/O count, analog channel requirements and communication standard. The engineering team will return a matched all-in-one configuration and a cost comparison against your current separate-system architecture — Coolmay PLC all-in-one, lower system costs.