BENSHAW RSi H2 Series - Metasys-N2 Communication

Communications
336
890053-00-02
10.5 Metasys-N2 Communication
10.5.1 Metasys-N2 Quick Communication Start
Follow the instructions below to configure the Metasys-N2 network.
1 Set COM-02 (Int485 Proto) to ‘5 (Metasys-N2)’.
2 Set the network communication speed to ‘9600 bps.’
3 Configure the communication modes and make sure that they are fixed to Data Bit 8 / No Parity Bit/
Start Bit 1 / Stop Bit 1.
4 Test the network and make sure Metasys-N2 communication is working properly.
10.5.2 Metasys-N2 Communication Standard
Item
Standards
Communication speed
9600 bps
Control procedure
Asynchronous communications system
Communication system
Half duplex system
Cable
Twisted pair (1 pair and shield)
Character system
LS485: ASCII (8bit)
Modbus-RTU: Binary (7/8 bit) Metasys-N2: ASCII (8bit)
Start/Stop bit
Start 1bit, Stop 1bit
Error check
RS485: Checksum (2byte)
Modbus-RTU: CRC16 (2byte) Metastys-N2: CRC16 (2byte)
Parity check
None