Modbus RTU

The Modbus functionality of CoolMasterNet is fully described in Modbus Guidelines document

Modbus RTU Configuration

CoolMasterNet Modbus RTU is activated with below command:

>line type L3 CG5 OK, Boot Required! >

CoolMasterNet has to be restarted to run Modbus RTU for the first time. To quire current Modbus RTU configuration use line command:

>line L1: SA Master U00/G00 myid:E5 Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L2: DK Slave U00/G00 myid:0B Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L3: CG5 Modbus Address:0x40(64) 9600_8N1 Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L4: MH SLink:N U00/G00 myid:C900 Tx:0/2 Rx:0/2 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L5: Unused Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L6: Unused Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L7: LG Master U00/G00 Tx:983/1066 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 L8: Unused Tx:0/0 Rx:0/0 TO:0/0 CS:0/0 Col:0/0 NAK:0/0 OK >

The rest is similar between Modbus RTU and Modbus IP. Follow the link to VA Concept.