Coolmay · PLC
Coolmay M300 Series PLC
M300
Slim, high-speed PLC with EtherCAT, CANopen and EtherNet/IP options.
Key Features
- 32-bit CPU + ASIC dual-processor architecture; 0.24 μs basic instruction speed
- 12 digital inputs / 12 transistor outputs (0.5 A per point)
- High-speed counter: single-phase 8 channels 100 kHz or AB phase 3 channels 100 kHz
- 8-axis pulse output: Y0-Y5 200 kHz, Y6-Y7 100 kHz
- Electronic gearing, interpolation, G-code and electronic handwheel functions
- 1 × RS485 + 1 × RS232 serial port, USB Type-C programming port
- M302: optional CANopen, MODBUS TCP & EtherNet/IP or EtherCAT expansion cards
- Expansion with up to 31 modules, max. 520 I/O points
- 24 V DC supply, 35 mm DIN rail mounting; operating temperature −10 … +55 °C
- Programming: Coolmay VTool Pro or GX Works2
Models
Model codes with different I/O configurations
| Model | Housing Dimensions (mm) | Expansion Card Slot |
|---|---|---|
| M301 | 100×83×24 | None |
| M302 | 100×83×40 | 2 slots (CANopen / MODBUS TCP & EtherNet/IP / EtherCAT) |
Mounting Dimensions
Expansion Cards (M302)
| Model | Function |
|---|---|
| ME-4EX | 4 digital inputs |
| ME-4EYT | 4 digital outputs (transistor) |
| ME-CAN-485 | 1-channel CANopen + 1-channel RS485 |
| ME-NET | 1 Ethernet port (MODBUS TCP & EtherNet/IP) |
| ME-ECT | 1-channel EtherCAT |
| ME-NTC-ECT | 1 Ethernet port + 1-channel EtherCAT |
ML20 Digital I/O Modules
| Model | Channels | Type | Load |
|---|---|---|---|
| ML20-16EX | 16 digital inputs | NPN / PNP input | — |
| ML20-16EYT | 16 digital outputs | NPN transistor output | 0.5 A/point, 4 A/module |
| ML20-16EYP | 16 digital outputs | MOSFET PNP output | 0.5 A/point, 4 A/module |
| ML20-16ET | 8 inputs + 8 outputs | NPN input, NPN transistor output | 0.5 A/point, 2 A/module |
ML20 Analog and Temperature Modules
| Model | Channels | Signal / Sensor | Resolution |
|---|---|---|---|
| ML20-4AD | 4 analog inputs | 0-20 mA / 4-20 mA and 0-10 V | 16 bit |
| ML20-4DA | 4 analog outputs | 0-20 mA / 4-20 mA and 0-10 V | 16 bit |
| ML20-4TC | 4 thermocouple inputs | Types J, K, S, T, E | 24 bit (0.1 °C) |
| ML20-4PT | 4 RTD inputs | PT100, PT1000 (−200 … +500 °C) | 24 bit (0.1 °C) |
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