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CHAPTER 6: SETPOINTS
RS485 interface
Ethernet
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
The is equipped with one serial RS485 communication port. The RS485 port has settings
for baud rate and parity. It is important that these parameters agree with the settings used
on the computer or other equipment that is connected to these ports. This port may be
connected to a computer running the EnerVista SR3 Setup software. This software can
download and upload setting files, view measured parameters, and upgrade the device
firmware. A maximum of 32 -series devices can be daisy-chained and connected to a DCS,
PLC, or PC using the RS485 port.
Select the Settings > Communications > Serial Ports menu item in the program, or the
SETPOINTS > S1 RELAY SETUP > COMMUNICATIONS > RS485
configure the serial port.
Figure 5: Serial port configuration settings
The following settings are available to configure the RS485 port.
BAUD RATE
Range: 9600, 19200, 38400, 57600, 115200
Default: 115200
This setting specifies the baud rate (bits per second) for the RS485 port.
PARITY
Range: None, Odd, Even
Default: None
This setting specifies the parity for the RS485 port.
Select the Setpoints > S1 Relay Setup > Communications > Ethernet menu item in the
program, or the
SETPOINTS > S1 RELAY SETUP > COMMUNICATIONS > ETHERNET
the display, to configure the Ethernet port.
The following settings are available to configure the Ethernet port.
IP Address
Range: Standard IP Address format
Default: 000.000.000.000
This setting specifies the IP Address for the Ethernet port.
Subnet IP Mask
Range: Standard IP Address format
Default: 255.255.255.000
This setting specifies the Subnet IP Mask setting for the Ethernet port.
Gateway IP Address
Range: Standard IP Address format
Default: 000.000.000.000
This setting specifies the Gateway IP Address for the Ethernet port.
Connection Type
Range: Copper, fiber
Default: Copper
This setting specifies the connection type (Copper or Fiber) used for Ethernet
communication.
S1 RELAY SETUP
path on the display, to
path on
6–13
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