The 2nd generation DVP-SX2 series slim type PLC offers 14 digital points and built-in 12-bit analog I/O points. It is extendable with DVP-S series left-side and right-side extension modules. MPU points: 20 (8DI/6DO, 4AI/2AO) Max. I/O points: 494 (14 + 480) Program capacity: 16k steps COM port: Built-in RS-232, RS-485 and USB ports, compatible with ASCII/RTU protocol. Can be master or slave. High-Speed Pulse Output: Supports 2 points (Y0, Y2) of 100kHz and 2 points (Y1, Y3) of 10kHz independent high-speed pulse output. Built-in High-Speed Counters Built-in Analog I/O DVP20SX211R Delta SX2 Series Analog PLC 24VDC DI8 AI4 DO6 Relay AO2 DVP20SX211T Delta SX2 Series Analog PLC 24VDC DI8 AI4 DO6 Transistor(NPN) AO2 DVP20SX211S Delta SX2 Series Analog PLC 24VDC DI8 AI4 DO6 Transistor(PNP) AO2 Payment : we only accept Paypal for online shopping.shipment:We use DHL,EMS as shipment method in normal.Guarantee:1 year quality warranty.