Mitsubishi Universal model Redundant Power Supply Module QD51-R24
| Parameter | Specification |
|---|---|
| Model Number | QD51-R24 |
| Product Type | Intelligent Communication Module with BASIC Function |
| Communication Interfaces | 1 × RS-232 channel; 1 × RS-422/485 channel |
| Communication Method | Asynchronous (start-stop) synchronization, full-duplex |
| Baud Rate | 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400 bps |
| Data Format | Data bits: 7/8; Stop bits: 1/2; Parity: odd/even/none |
| Flow Control | RTS/CTS (hardware), XON/XOFF (software), or none |
| Maximum Communication Distance | RS-232: 15m; RS-422/485: up to 1.2km (9600bps) |
| Supported Protocols | MC Protocol, Non-protocol communication |
| Program Memory | Up to 64KB (total for 2 tasks) |
| Common Memory | 8KB; Buffer Memory: 6KB |
| I/O Points | General-purpose I/O: 26 input, 23 output points |
| Isolation | Optocoupler isolation between internal and external circuits |
| Power Supply | 5V DC (supplied from PLC base unit) |
| Current Consumption | 0.10A (typical) at 5V DC |
| Dimensions (W×H×D) | 27.4 × 98 × 100 mm |
| Weight | Approx. 0.5 kg |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +75°C |
| Operating Humidity | 5–95% RH (non-condensing) |
| Insulation Resistance | ≥20 MΩ (at 500V DC) |
| Dielectric Strength | 1500V AC for 1 minute (internal-external) |
| Mounting | Standard PLC rack mounting |
| Certifications | CE, UL/cUL, KC, LR, NK, DNV, ABS, RoHS compliant |
| Status Indicators | RUN, ERR, SD (transmit), RD (receive) LEDs |
| Discontinuation Status | Production discontinued (Feb 2017), replacement: QJ71C24N |
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