Chapter 5 Configuring the PM130 PLUS Configuring Communications
PM130 PLUS Powermeter Series_Installation Operation and Manual 76
Table 15: COM Port Options
ASCII = SATEC ASCII
rtu = Modbus RTU
dnP3 = DNP3
PrFb = Profibus DP (COM2)
The communications protocol for
the port
Not changeable on COM2 with
the Profibus module
COM1: 485 = RS-485
COM2:
232 = RS-232
485 = RS-485
422 = RS-422
Eth = Ethernet
PrFb = Profibus DP
GPrS = GPRS modem
Communication interface.
Not changeable on COM2 with
the Ethernet and Profibus
modules
SATEC ASCII: 0-99
Modbus: 1-247
DNP3: 0-65532
Profibus: 0-126
Data format and parity. 7E data
format should not be used with
the Modbus RTU and DNP3
protocols
The minimum time after the last
request character is received to
start the transmission.
diS = Disabled
En = Enabled
Enables a low-resolution device
emulation for ASCII request “0”
in high-resolution devices (see
Device Options)
NOTES:
1. The meter provides the permanent Modbus TCP server on port 502.
2. Selecting the DNP3 protocol launches the second DNP3 TCP server in addition to the Modbus
server allowing simultaneous connections on both ports. Selecting the Modbus protocol disables
the DNP3 TCP server.
3. When you change the COM2 settings through the Ethernet port, the device port restarts so
communications will be temporarily lost. You may need to wait some additional time until PAS
restores a connection with your device.