If you consider the scalability and cost : (24/40/60 point base unit) 24-128 point scale: control of standard machine-type terminal block input and output expansion that can be possible, such as communication system up-to-Analog
Brand : Mitsubishi
Origin : Japan
Model : FX1N-24MR, PLC Main Unit
Type of Input : Point 14 (16) DC24V sink input
Type of Output : (16) 10-point relay output
free number is (point 6) Y012 ~ Y017 output input X016, X017 (point 2)
Dimensions (WxHxD) : 90x90x75 mm
Weight : 0.45 kg