B1-20MR or T/J

Power Supply : AC- 230VAC OR DC – 24VDC
Digital Input : Total  12, [High Speed(3 – Axis A/B Phase, 50KHz) * 6 ,Medium Speed * 6] – 24VDC
Digital Output : Total 8 R [Low Speed : Relay] or
T/J [ High Speed(2 – Axis A/B Phase, 50KHz) * 4 & Low Speed *4  (Transistor Output T for NPN & J for PNP)] – 5-30VDC
Communication Port : built in 1 Ports: Port0 – RS232, Expandable :2 Ports ( Port1~ 2, RS485/RS232/Ethernet)
RTC : YES
I/O Expansion : YES