20
RTU300 SERIES
–
HARDWARE MANUAL
1.14
Serial Ports
1.14.1
RS485 Serial Port
Board Type:
GA1, GA5, GA6 GA2
GA4,GA7
RS485 Port Count:
1 Port
2 Port RS485 or 1 Port
RS485 and 1 Port RS422
2 Port
Maximum Slave Count
Limited to Hardware
Isolation:
ESD Protection, 8 kV Direct, 25 kV Air Discharge
Communication Distance: 1000 m
Data Bits:
7-8
Stop Bits:
1-2
Parity:
None-Even-Odd
Baudrate:
300 bps to 200 kbps
Figure 15 RTU300 RS485 Serial Port Connection Diagram
