Parameter Setting
17
DDSU666-CT
You can set the communication protocol of the meter to Modbus or 645 protocol. For
Modbus protocol, multiple stop bit and parity bit combinations are available, and you can
press
→
to switch among them.
NOTICE!
• Meter screenshots used in this section are for reference only, and may differ from the
actual item display sequence of the meter.
Procedure
Step 1: Long press the
→
button to enter the communication protocol interface, and
then short press to select the protocol, and stop bit and parity bit combination.
Long
press
8n2
8n1
8E1
8o1
645 protocol
address
Short press once
Short press once
Short press once
Short press once
Short press once
No press
No press
No press
No press
Step 2: (Optional) For Modbus protocol, after the screen displays the desirable stop bit
and parity bit combination, wait for 4 seconds for the meter to enter the address
setting interface, and then continue to set the address through the
→
button.
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