Eaton XC-303 Series - RS485-Interface

20 Appendix
20.3 Technical specifications
Modular PLCs XControl: XC-104-…, XC-204-…, XC-303-… 01/23 MN050005EN Eaton.com 181
20.3.7 RS485-Interface
The following devices feature an RS-485 interface:
• XC-204-C11-003
• XC-204-C20-002
• XC-303-C21-001
• XC-303-C32-002
RS485-Interface XC-204-… XC-303-…
Terminal type 3 pole plug connector, Push-In 3 pole plug connector, Push-In
Transfer rate as
Modbus RTU 1200, 2400, 4800, 9600, 19200, 38400,
57600, 115200 Bit/s
1200, 2400, 4800, 9600, 19200, 38400, 57600,
115200 Bit/s
serial interface
4800, 9600, 19200, 38400, 57600, 115200
Bit/s
EVEN, ODD, and NONE parity is supported,
as are 1 or 2 stop bits; in conformity with
CODESYS serial adapter
4800, 9600, 19200, 38400, 57600, 115200 Bit/s
EVEN, ODD, and NONE parity is supported, as are 1
or 2 stop bits; in conformity with CODESYS serial
adapter
Bus termination resistors for first and last
stations
120 Ω switchable;
To activate, both the TRSa and TRSb DIP
switches must be switched to the ON posi-
tion
220 Ω switchable;
To activate, both the TRSa and TRSb DIP switches
must be switched to the ON position
Galvanic separation RS485 to
Supply voltage U
Pow
Yes Yes
System bus Yes Yes
U
L
supply voltage I/Q1…I/Q4 Yes Yes
CAN1
1)
no no
CAN2
1)
– Yes
local inputs
1)
Yes Yes
local outputs
1)
Yes Yes
ETH0…ETH2
Yes Yes
Flag Display LED, multi-color, green, red LED, multi-color, green, red
Connection cable
A shielded cable must be used for the inter-
face. The shielding must be terminated on
both sides externally.
A shielded cable must be used for the interface. The
shielding must be terminated on both sides exter-
nally.
1) If provided