Industrial automation · Control
PLC suppliers in India
Industrisol is one of the PLC suppliers in India for machine builders, system integrators and plant engineering teams. We supply compact and modular programmable logic controllers, expansion I/O and custom PLC control panels to customers in Mumbai and across India.
- Compact, modular and mini PLCs with expansion I/O
- Yaskawa, Delta and GIC controller ranges
- Custom PLC and relay control panels built to requirement
- Matching HMIs, drives and sensors on one quotation
Talk to our team
Need a price, alternative or spec check?
Share the model, quantity and application. We reply with suitable options and a quotation.
- Phone: +91 90433 36700
- Email: industrisol@industrisol.com
What a PLC does
A programmable logic controller (PLC) is an industrial computer that controls electro-mechanical processes on machines and plants. It is built to work reliably in heat, dust, vibration and electrical noise, and can be reprogrammed when the process changes.
A PLC runs in a continuous scan cycle. It reads the state of all inputs such as push buttons, sensors and switches, executes the user program, then updates outputs such as contactors, valves, lamps and drives. It also runs internal diagnostics before starting the next scan.
PLCs are the link between field devices and the HMI or SCADA system the operator uses. As PLC suppliers in India we help you choose a controller with enough I/O, speed and communication for the job, with room to expand.
Types of PLCs and controllers
Mini and nano PLCs
Small fixed-I/O controllers for simple machines, pumps and timers-plus-logic duties.
Compact PLCs
Built-in I/O with add-on expansion modules; the usual choice for standalone machines.
Modular PLCs
Rack or backplane systems where CPU, power, I/O and communication modules are chosen separately.
Motion-capable PLCs
Controllers with high-speed counters, pulse outputs or motion networks for servo axes.
Special function modules
Analogue, temperature, load cell and network modules to extend a PLC.
PLC control panels
Custom panels with PLC, HMI, drives and wiring, built to your requirement.
PLC selection specifications
| Specification | What to check |
|---|---|
| I/O count | Digital and analogue inputs and outputs, plus 20 to 30% spare |
| Output type | Relay, transistor (sink or source) for fast or pulse outputs |
| Analogue I/O | 4 to 20 mA, 0 to 10 V, RTD or thermocouple inputs |
| Scan speed and memory | Program size, data logging and cycle time needed |
| Communication | RS-485 Modbus, Ethernet, DeviceNet or other fieldbus to HMI and drives |
| High-speed functions | High-speed counters for encoders, pulse outputs for steppers or servos |
| Programming | Ladder, function block, structured text; software availability |
PLCs in our catalogue
Browse the <a href="https://industrisol.com/product-category/programmable-logic-controller/">programmable logic controller category</a> for more.
Delta DVP28SV PLC
Delta slim-type PLC for machines needing fast processing and expansion.
| Series | DVP-SV |
|---|---|
| Format | Slim compact PLC |
Delta DVP16SP PLC
Delta slim PLC unit for compact machine control.
| Series | DVP-SP |
|---|---|
| Format | Slim PLC |
Delta DVPDNET-SL module
DeviceNet communication module for Delta slim PLCs.
| Function | DeviceNet network |
|---|---|
| For | Delta DVP slim PLCs |
GIC mini PLC
Compact mini PLC for small control tasks.
| Format | Mini PLC |
|---|---|
| Use | Simple machines and utilities |
Custom PLC panel
PLC control panels built to your I/O list and drawings.
| Scope | Panel, PLC, wiring |
|---|---|
| Build | To requirement |
PLC programming languages
Most PLCs follow the IEC 61131-3 standard languages: Ladder Diagram, based on relay logic and still the most common; Function Block Diagram for process and analogue control; Structured Text, a high-level text language for calculations; Sequential Function Chart for step-by-step sequences; and Instruction List, now rarely used. Choose a controller whose software your team already knows to keep support simple.
What to send with your PLC enquiry
Not sure about some details? Send what you have — we will ask the right follow-up questions.
- I/O list: number of digital and analogue inputs and outputs
- Output type needed: relay or transistor
- Communication to HMI, drives or SCADA
- Any high-speed counting, pulse output or motion axes
- Preferred brand or existing PLC model if expanding or replacing
- Whether you need a complete panel or loose controller
- Quantity and delivery location
How an enquiry works
Send your requirement
Share the PLC details, quantity and site location through the quote form, phone or email. A nameplate photo or existing part number speeds things up.
Technical review
We check the ratings and application against available models and come back with questions if anything is unclear or missing.
Options and quotation
You receive suitable options, including equivalents where an exact match is not available, with a written quotation.
Supply and support
After the order we coordinate dispatch to your site in Mumbai or anywhere in India and remain available for spares and follow-up questions.
Related automation products
What is the difference between a PLC and a microcontroller?
A microcontroller is a chip that needs a custom circuit board, power supply and protection around it. A PLC is a complete, rugged industrial product with isolated I/O, standard wiring terminals, diagnostics and certified programming software. PLCs are easier to maintain on the shop floor and are the norm for machines and plants.
How many I/O points do I need?
Count every sensor, switch and push button as an input and every valve, contactor, lamp and drive command as an output, separating digital and analogue signals. Add 20 to 30 percent spare for later changes. If the count is near the limit of a compact PLC, a modular or expandable controller is safer.
Relay or transistor outputs: which should I choose?
Relay outputs switch AC or DC loads and tolerate higher currents, but they are slow and wear with switching. Transistor outputs are fast, silent and long-lasting but switch DC only, and are needed for pulse outputs to stepper or servo drives. Many machines use a mix of both.
Can a PLC communicate with my HMI and VFDs?
Yes. Most PLCs support RS-485 Modbus, and many offer Ethernet or other fieldbus options. Check that the PLC, HMI and drives share a common protocol. Tell us the models you use and we will confirm compatibility before quoting. Mixed brands are possible when both devices support the same protocol, but screen tags and addresses then need careful mapping.
Do you build complete PLC control panels?
Yes. We supply customised PLC and relay control panels built to your I/O list, drawings or functional description, including PLC, HMI, drives, power supplies and wiring. Share the requirement and we will respond with a scope and quotation. Panels can include enclosures, switchgear, terminal wiring, labelling and documentation, depending on the scope you need.
Can you supply a PLC to replace an obsolete model?
Usually. Send the old PLC model, its I/O modules and, if available, the program. We suggest a current equivalent and explain what is needed to migrate the program and wiring. Where the program cannot be recovered, a fresh program can be written from the machine's functional description, which takes longer and should be planned for.
Planning a PLC or control panel?
Send your I/O list and application. We will recommend a controller or panel and send a quotation.