Satec PM175 Manual User Manual Page 46

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Chapter 3 Display Operations
46
Series PM175 Powermeters
To select a setup option:
1. Press the SELECT button to activate the middle window.
2. Use the UP and DOWN arrow buttons to scroll to the
desired option.
To change the option:
1. Press the SELECT button to activate the lower window.
2. Use the UP and DOWN arrow buttons to select the
desired option.
3. Press ENTER to confirm your changes and to store your
new setting, or press ESC to discard changes.
To exit the menu, press ESC.
The following tables list available port options.
COM1 Settings
Label
Parameter
Options
Default
Description
Prot
Communications
protocol
rtu = Modbus RTU
ASCII=Modbus ASCII
dnP3 = DNP3
1
Modbus
RTU
The communications
protocol supported by
the port
rS
Port interface
1
232 = RS-232
485 = RS-485
422 = RS-422
dial = Dial-up Modem
Eth.= Ethernet
Depends
on the
order
For non-serial interfaces
- not changeable;
automatically detected
by the meter
Addr
Device address
Modbus: 1-247
DNP3: 065532
1
Device network address
bAud
Baud rate
300-115200 bps
19200 bps
The port baud rate
dAtA
Data format and
parity
7E, 8N, 8E
8N
7E data format should
not be used with the
Modbus RTU and DNP3
protocols
H.Sh
Handshaking
(flow control)
nonE=no flow control
SOFt=software
(XON/XOFF)
HArd=hardware (CTS)
None
rtS
RTS mode
nonE = not used
Forc = RTS is
permanently asserted
CtrL = RTS is asserted
during the
transmission
None
1
Selecting the DNP3 protocol on the Ethernet port launches the
DNP3/TCP server along with the Modbus/TCP server allowing
simultaneous connections on both TCP ports. Selecting the Modbus
protocol for the port disables the DNP3/TCP server.
The meter automatically detects a replaceable communication module
and does not allow you to change the interface, baud rate or data
format for the Dial-up modem, and for the Ethernet port.
COM2 Settings
Label
Parameter
Options
Default
Description
Prot
Communications
protocol
rtu = Modbus RTU
ASCII = Modbus
ASCII
dnP3 = DNP3
Modbus
RTU
The communications
protocol supported by
the port
rS
Port interface
485 = RS-485
422 = RS-422
RS-485
Prt.1
rtu
Prot
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