GE Industrial Solutions EPM4500 Submeter - Manual (Page 49)

CHAPTER 4: COMMUNICATIONS MODBUS ACTIVATION
EPM 4500 SUB METER – INSTRUCTION MANUAL 4–7
4.2.5 Activating Modbus Communications
Use the following procedure to activate Modbus communications.
Z Enter the following command to activate Modbus:
stty -M1
(followed by [ENTER] twice)
Z Select the baud rate by entering the following command.
The baud rate options for Modbus communication are 9600, 19200,
and 38400.
stty 19200
(followed by [ENTER] twice)
Z Save Modbus activation by entering:
stty -W1234
Z Display Modbus activation by entering:
stty
Z This command displays meter port setting, baud rate, etc.
If Modbus is active, it returns “Modbus”; if Modbus is not active, it
returns “no Modbus”.
For example, consider the following set of commands sets the activates Modbus, sets the
baud rate to 19200, and saves the Modbus activation. The text returned by the meter is
also indicated.
CIP#stty
hunt 19200 baud 8 bits no parity no echo no modem no modbus
CIP#stty -M1
CIP#stty 19200
CIP#stty -W1234
CIP#stty
hold 19200 baud 8 bits no parity no echo no modem modbus