ElmoMC Multi-Axis Motion Controller-Maestro - Manual (Page 231)

Maestro Software Manual Ethernet/IP Communication
MAN-MASSW (Ver. Q)
12-11
• ASCII over Serial communication
Parameters:
o
MODBUS address (view paragraph 1.1)
o
Serial port
Serial port identifier (default port value "COM1", for information only)
o
Baud rate
Port baud rate in bps (typically 38400)
o
Data bits
Port data bits
o
Stop bits
Port stop bits
o
Parity
Port parity: no parity, odd parity or even parity
MODBUS Slave Object functionality
Figure 12-4: MODBUS Slave Data Model with separate blocks.
Maestro MODBUS Slave Object uses the Data Model with four separate blocks (Figure
12-4).
MODBUS Slave Object Functions
Communication control:
int retVal = startupServer()
Puts the MODBUS slave (server) into operation.
Example:
slave.startupServer()
int retVal = shutdownServer()
Shuts down the MODBUS slave (server)