Chapter 4 Setup Menus 23
Table 4-2 Communications Options (∗ default setting)
Code Parameter Options Description
Prot Communications
protocol
ASCII∗
rtu
dnP3
ASCII protocol
Modbus RTU protocol
DNP3.0 protocol
rS Interface standard 232
1
RS-232 interface
422 RS-422 interface
485∗
RS-485 interface
Addr Address
0
2
- 99 ASCII (1∗)
1∗ - 247 Modbus
0 - 255 DNP3.0 (1*)
Device address
bAud Baud rate 110 110 baud
300 300 baud
600 600 baud
1200 1200 baud
2400 2400 baud
4800 4800 baud
9600∗
9600 baud
19.20 19,200 baud
dAtA Data format 7E 7 bits, even parity
8n∗
8 bits, no parity
8E 8 bits, even parity
H.Sh
1
Flow control
nonE∗
No flow control
(handshaking) SOFt Software (XON/XOFF)
Hard Hardware (CTS)
rtS
1
RTS control
nonE∗
RTS is not used
Forc RTS is forced asserted
CtrL RTS is controlled by the meter
(asserted during the transmission)
CPtb ASCII compatibility
mode
diS∗, En
Disables/enables ASCII
compatibility mode. For more
information, see ASCII
Communications Protocol
Reference Guide
1
COM1 port only
2
Device with address 0 will reply to all incoming addresses. Address 0 must not
be used in multi-point RS-422/RS-485 connections.
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