VEDA HCT User Manual Registers supported by Siemens S7-200 Network Module 4 Siemens S7_300 MPI Siemens S7-300 MPI series RS232 cable SIEMENS serial port programming cable is used to communicate with HMI device.
Siemens S7-300 MPI series RS485-2 cable 52 Device Bit Address Word Address Format Notes Digital output and Peripheral image register node Q.B0.0-127.7 —— DDD.O Internal memory bit M.B0.0-255.7 —— DDD.O Digital input and Peripheral image register node I.B0.0-127.7 —— DDD.O Variable memory node V.B0.0-65535.7 —— DDDDD.O Digital output and Peripheral image register —— QW0-14 DD Digital output and Peripheral image register (32 bit) —— QD0-12 DD Digital input and Peripheral image register —— IW0-14 DD Digital input and Peripheral image register (32 bit) —— ID0-12 DD Internal memory —— MW0-30 DD Internal memory (32 bit) —— MD0-28 DD Variable memory —— VW0-8190 DDDD Variable memory (32 bit) —— VD0-8188 DDDD