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21
5.2 Communications Port Setup Parameters
Options /
Code Parameter Value Range
Description
Prot
Communications
Protocol *
ASCII
rtu
dnP3
ASCII
protocol
=
Default
non-ASCII protocol
rS
Interface
Standard
422
485
RS-422 (4 wires)
RS-485 (2 wires)
=
Default
Addr
Address
0-255
Powermeter address:
1-99: ASCII;
1-247: Modbus
255: DNP 3.0, SPA
Default
=
1
bAud
Baud Rate
110, 300,
110 baud, 300 baud,
600, 1200,
600 baud, 1200 baud,
2400, 4800,
2400 baud, 4800 baud,
9600, 19.2
9600 baud =
Default
,
19200 baud
dAtA
Data Format
7E
7 bits, even parity
8n
8 bits, no parity =
Default
8E
8 bits, even parity
* The communications protocol is selected by a short between
terminals 13 and 14 on the RPT091 (see Section 6). The protocol
may be modified after a cold restart of the RPT091.