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Chapter 9 Expansion Module
232
SW1_7~SW1_8: Baud rate
SW1-7
SW1-8
Baud Rate
OFF OFF
125K
ON OFF
250K
OFF ON
500K
ON ON
Reserved
(default baud rate: 125K)
LED state display
DNET has two LED lights, watching itself and communication Bus’ state.
1)
mode state LED (MS)
Double color LED (green and red) indicates DNET state.
Module status LED
Explanation
Correct or
prevent fault
Off
No power
Power up
Green on
Normal operation status
No
Green flash
No connected with SG2 basic unit
Connected with SG2 correctly.
Red flash
Connect with SG2 but communication error.
Set SG2 IO number correctly.
Red on
Device hardware error.
Use a new module.
2)
network state LED (NS)
Double color LED (green and red) indicates equipment network bus state.
Net status LED
Explanation
Correct or
prevent fault
Off ·No
power.
·The device is a single node in the net.
Power up.
Add other device in the net.
Green on
Normal operation mode, and connected
with master.
No
Green
flash
Normal operation mode, but not
connected with master or had be set free
No
Red flash
IO connection time out, waiting green
flash after a few seconds.
No
Red on
·Dup MAC ID check error
·Communication error and restart
Replace node address and
power up again.
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More information about protocol and EDS file to see:
R06-SG2-DNET-D01X30(SG2-DNet user manual)
R09-SG2-DNET-C02X30(04D2000C00020300).eds
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