We fit an HMI display to your machine with a sequencer, a small PLC, instead of a PLC with an HMI display, and at a much lower cost. The sequencer also replaces cascaded timers and mechanical cam timers, and we load the application at the factory to your project: the machine is up and running as soon as it is installed. We work with capacitive touch screens.
The touch screen is the Modbus master: it reads the MSP800 programmer, the SCE485 counter, the STD485 timer and the XVE485 totalizer over a single 2-wire RS485 cable.
Featured product
MSP800 programmer with HMI display
8 optocoupled inputs, 8 NO 5 A outputs, real-time clock and RS232 / RS485 Modbus communication. The touch screen shows the current step and lets the operator start, stop and adjust the machine.
| 8 I / 8 Ooptocoupled inputs · NO 5 A outputs | ModbusRS232 / RS485 | 5" · 7" · 10"HMI touch screen | Clockreal-time |
| Program | Factory-loaded to your project (custom firmware) |
| Display | OLED on the unit and connection to an HMI display |
| Supply | 100 – 240 VAC |
| Format | Modular DIN-rail housing, 90 × 62.5 × 70 mm, with plug-in connectors |
Custom firmware The application is loaded at the factory to the project specifications: immediate start-up. | 5", 7" or 10" HMI display A sequencer and touch screen cost much less than a PLC with an HMI display, and cut the total component cost of the panel. |
No wear and reprogrammable Replaces small PLCs, cascaded timers and mechanical cam timers. | DIN rail and plug-in connectors The panel is wired in the workshop and the unit is replaced on site without touching the wiring. |
Example of an 8-step cycle with 4 outputs: the sequencer stops the machine if the temperature exceeds 80 °C and resets it automatically when it drops again.
| 1 | The cycle is divided into steps (P1, P2…) and each step sets which outputs are on, like the cams of a mechanical cam timer. |
| 2 | Each step advances by time or on an input: a limit switch, a sensor or a push button. |
| 3 | At the end, the cycle repeats or waits for an input to start again. |
| 4 | With an HMI display, the display is the Modbus master: it asks the MSP800 for the step, the times and the output states, shows them and sends the start, stop and settings commands. |
| Need | How it is programmed | Unit |
|---|---|---|
| Flashing with static output (2 channels) | Simultaneous or alternating outputs by DIP switch, 0.2 to 2 s | |
| Fixed cycle on power-up (2 outputs) | Fixed program loaded at the factory | |
| Fixed cycle with start, stop and reset | Fixed program loaded at the factory, 3 inputs / 3 outputs | |
| Direction reversal T1 · pause · T2 in a 48 × 48 panel | Times set with 3 keys, 1 s to 9.9 min | |
| Program steps and times from the front | Keypad and LED display of step and time, 4 I / 4 O | |
| 8 I / 8 O, schedules, HMI display or SCADA | Real-time clock, Modbus and touch screen |
Capacitive Capacitive touch screens: fast response and smartphone-like operation. | Proven in our projects Displays selected and proven over years in our projects: robust and reliable. | Formats 5", 7" and 10", and non-standard formats depending on the application. |
Want to see your machine on a display?
Send us the machine sequence, with its inputs, outputs and times: we propose the sequencer and the display, and deliver the unit with the application loaded.
Custom solutions: Custom units · Custom electronic boards · Machine builders (OEM)
What is the difference between a fixed and a programmable program?
In fixed-program units (YSP002, YSP003) the sequence is loaded at the factory to the customer's project. In programmable units (MSP400, MSP800) the user adjusts the steps and times.
Can I connect the MSP800 to a PLC or a SCADA instead of a display?
Yes. The MSP800 communicates over RS232 or RS485 with the Modbus protocol: any Modbus master, whether a display, a PLC or a SCADA, can read and write its data.
What type of display do you use?
Capacitive touch screens of 5", 7" or 10", and non-standard formats depending on the application. We recommend the right size for your machine.
Is it cheaper than a PLC with a display?
Yes. A sequencer with an HMI display does the job of a small PLC with its display at a much lower cost, and arrives with the application already loaded.
See also: Machine builders (OEM) · Custom units · Custom electronic boards · Price list
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