normal Modbus RTU on Coolmaster doesn't work

  • Anonimi
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18 Apr 2016 10:22 #211 by Anonimi
Modbus RTU on Coolmaster doesn't work was created by Anonimi
I've bought a coolmasternet to integrate it in my modbus/rtu network.
I've followed usermanual and connect RS485 bus to L3, but it doesn't answer to my polls. is L3 broken? Am I wrong?
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18 Apr 2016 10:27 #212 by marcom
Replied by marcom on topic Modbus RTU on Coolmaster doesn't work
Below command will enable Modbus RTU functionality on line L3.
>line type L3 CG5
CG5 stands for "CoolGate5", which is a new Modbus RTU implementation in CoolMasterNet (see details). There is also a CG4 option which will enable an implementation backward compatible with a legacy "CoolGate" device.

Modbus Slave Address is available via line command.
>line
L1: SA U00/G05 myid:E5 Simul(5)
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: Unused
Tx:0/0 Rx:0/0 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:0/0 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

To change Modbus Slave Address use line command as shown below:
>line myid L3 50
This command will set Modbus Slave Address 0x50(hexadecimal)

Marcom S.r.l.
via Mezzacampagna, 52 int.29
37135 - Verona (VR)
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