E-Mon E-PS-E-RTU-N - Manual (Page 68)

Chapter 5 Configuring the PowerSmart+ PQM Configuring Communications
68 PowerSmart+ Power Quality Meter
Using Power Software
Select Communications Setup from the Meter Setup menu, and then
click on the Serial Ports Setup tab. In the Port box, select the desired
device port.
Figure 5-1: Communication Setup Dialog Box – Serial Ports Setup Tab
See Table 3 below for available communication options.
Table 3: COM Port Options
Parameter Options Default Description
Protocol MODBUS ASCII
MODBUS RTU
DNP3
IEC 60870-5
PROFIBUS DP (COM2) MODBUS
RTU The communications
protocol for the port
Not changeable on COM2
with the PROFIBUS
module
Interface COM1: 485 = RS-485
COM2:
232 = RS-232
485 = RS-485
422 = RS-422
Eth = Ethernet
PRO = PROFIBUS DP
GPRS = GPRS modem RS-485 Communication interface.
Not changeable on COM2
with the Ethernet and
PROFIBUS modules
Device address MODBUS: 1-247
DNP3: 0-65532
PROFIBUS: 0-126
1
(126 for
PROFIBUS) Device network address
Baud rate 300 bps-115.2 kbps 9600 bps The port baud rate
Data format 7E, 8N, 8E 8N Data format and parity.
7E data format should not
be used with the MODBUS
RTU and DNP3 protocols