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M1M 30 POWER METER USER MANUAL
• BYTE
BYTE comprises three parts – bits per byte, parity bit and stop bit. 
   CONF   COMM   BYTE
The optional byte formats include: 
BYTE Description
8E1 8 even parity bits and 1 stop bit
8O1 8 odd parity bits and 1 stop bit
8N1 8 No Parity bits and 1 stop bit
8N2 8 No Parity bits and 2 stop bits
Modbus TCP/IP (M1M 30 Ethernet)
• DHCP
If DHCP is set as  “YES”, it indicates that the IP address and subnet mask assigned by the host will be 
used. 
   CONF   COMM   DHCP
The default state of DHCP is “NO”, i.e. turned off.
• IP
IP comprises 4 segments. Each time Button “Enter” is pressed, the next segment can be set.  
   CONF   COMM   IP
The default IP address is: 192.168.2.252.
The device and the host must share the same network, or their communication is not possible.