Modbus RTU

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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.