Appendix E Appendix E PLC Module Devices DVP-MC operating manual E-1 Range Item Stored program, cyclic scan system Control method Batch processing method ( when END instruction is executed) Input/output method LD command - 0.54µs, MOV command - 3.4µs Execution speed Instruction list+ Ladder diagram+SFC Program language 15872 steps Program capacity Bit relay X0~X377, octal code, 256 points Total 480+14 points (*4) X External input relay Y0~Y377, octal code, 256 points Y External output relay Auxiliary relay M0~M511, 512 points (*1)M768~M999，232 points (*1)M2000~M2047，48 points (*1) Total 4096 points General purpose M M512~M767, 256 points (*2) M2048~M4095, 2048 points (*2) Latched M1000~M1999, 1000 points, some are latched.
Special purpose Timer T0~T126, 127 points (*1) T128~T183, 56 points Total 256 points 100ms (M1028=On, T64~T126 is10ms) T184~T199 ( used by sub-program), 16 points (*1) (*1) T250~T255( accumulated type), 6 points (*1) T 10ms (M1038=On, T200~T239, 40 points (*1) T200~T245 is 1ms) T240~T245(accumulated type), 6 points (*1) T127, 1 points (*1) T246~T249(accumulated type), 4 points (*1) 1ms Bit relay Counter C0~C111, 112 points (*1) C128~C199, 72 points (*1) Total 232 points 16-bit counting up C112~C127, 16 points (*2) C C200~C223, 24 points (*1) 32-bit counting up/down C224~C231, 8 points (*2) Step Initialized step point S0~S9, 10 points (*2) Total 1024 points S10~S19, 10 points (used by matching IST command) (*2) Zero return S Latched S20~S127, 108 points (*2) S128~S911, 784 points (*1) General purpose S912~S1023, 112 points (*2) Used for alarming