Industrial Control Board PLC Programmable Logic Controller Supports 485 CAN 3U 32MRwith Base and Shell Item Type: Industrial Control BoardOptional Style: without Base and Shell, with Base and Shell Technical Parameter:  Input Power: DC24V Program Steps: 8000 steps Communication Port: 2 x Communication Port: : 2 x RS232 (standard 9-pin serial port FX3u protocol 38400, 7, E, 1) 1 x RS485 Input Point X Component: X0-X17, DC24 input, low level active. Among them X0-5 is the high-speed counting input port (12KHZ) Intermediate Relay M: M0-M3071, save range can be set M0-M1023 Step Point S: S0-1023, save range can be set S0-S1023 100Ms Timer: T0-T199, accumulative power-down save T184-T199 10Ms Timer: T200-T249, accumulative power-down save T246-T249 1Ms Timer: T250-T383, of which T250-255 is cumulative 16-Bit Counter: C0-C199, C100-199 32-Bit Counter: C200-C219, save C220-C234 when power off 32-Bit High-Speed Counter: C235-255; C235-240 is a single-phase counter without frequency multiplication; C241-240 is a single-phase counter with 2 times frequency; C247-249 is a two-phase counter without frequency multiplication; C250-252 is double Phase counter, 2 times frequency; C253- is two-phase counter, 4 times frequency; Register D: D0-D7999, the save range can be set D0-7999, Indirect Addressing Pointer V, Z: V0-7, Z0-7 P Subroutine Jump Number: P0-63 I Interrupt: X0-5 external interrupt. Timer interrupt (1MS as the unit). The counter is interrupted. Special M Part: M8000 is normally closed when running, M8002 is power-on pulse, M8011 is 10Ms pulse, M8012 is 100Ms pulse