AH500 Motion Control Module Manual 2.3 Communication Ports AH05PM-5A is equipped with a mini USB port. AH20MC-5A/AH10PM-5A/AH15PM-5A is equipped with a mini USB port and an Ethernet port. Besides, AH20MC-5A is equipped with a DMCNET port. These ports are described below. Mini USB : A mini USB port can function as a slave station. Users download or upload a program through a mini USB port. The communication protocols a mini USB port supports are Modbus ASCII and Modbus RTU. Ethernet : An Ethernet port can function as a master station. The communication protocol it supports is MODBUS TCP/IP. DMCNET : A DMCNET port can be used to control a servo drive. Communication architecture:
2-34 Communication port Mini USB Communication parameter Serial transmission rate 9,600~57,600 bps Number of data bits 7 bits~8 bits Parity bit Even parity bit/Odd parity bit/None Number of stop bits 1 data bit~2 data bits Register where a communication format is stored SR36 ASCII mode Slave stations are supported. RTU mode Slave stations are supported.
Number of data read/written (ASCII mode) 100 registers Number of data read/written (RTU mode) 100 registers Communication port Ethernet Communication parameter Transmission rate 10/100 Mbps Communication protocol Modbus TCP Number of data read/written 100 registers Communication port DMCNET Communication parameter Serial transmission rate 10 Mbps (Channel A and channel B) Communication protocol DMCNET packet format Number of axes supported 12 axes