SATEC PM174 Manual - Manual (Page 47)

Chapter 3 Display
Operations Menu Operations
Series PM174 Powermeters 47
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
PrFb = Profibus DP
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
PrFb = Profibus DP Depends
on the
order For non-serial interfaces
- not changeable;
automatically detected
by the meter
Addr Device address Modbus: 1-247
DNP3: 0–65532
Profibus DP: 0-126 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 or Profibus 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
Addr Device address Modbus: 1-247
DNP3: 0–65532 1 Device network address