The DVP12SA211T is another model from Delta Electronics' DVP-SA2 series of slim-type PLCs, but with transistor outputs instead of relays. Here's how it stacks up:

 Key Specifications

Digital Inputs/Outputs: 8 DI + 4 DO (Transistor type, NPN sinking)

Power Supply: 24V DC

Mounting: DIN Rail

Communication: RS-232 and 2 RS-485 ports (Modbus ASCII/RTU)

Program Capacity: 16K steps

Memory: 10K words data register

Pulse Output: 2 points at 100kHz (Y0, Y2) and 2 points at 10kHz (Y1, Y3)

Expandability: Supports up to 8 extension modules (digital/analog I/O, temperature, motion control, etc.)

Operating Temp: 0°C to 55°C

Certifications: CE, cULus compliant