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5.2 G-BUS Interface
5.2.1 Interface Communication Parameters
Supported protocol
Physical layer
Supported baud rates
Address range
5.2.2 Commands
Command
0
(not used)
1
Maximum speed
2
Set speed
3
Set node status
4
Set restart delay
5
Set wink function ON/OFF
6
Fix address at EEPROM
(normally not used)
7
Send node state
8
Acknowledge
9
Request node state
5.2.3 Error Codes
Error code
Undervoltage Error
0 (no error)
1
2
3
4
5
6
7
Appendix
GBUS
EIA-485 half-douplex
9600 bps
1...99 (adjustable in decimal numbers)
Function
X
X
X
X
Description
rpm
rpm
Reset of errors:
1: Under voltage
2: Motor error
4: Speed controller error
7: All errors
1..255s restart delay after power-on
switch on wink function (alternating flash of
red and green LED):
1=ON
0=OFF
1=fix, 0=free
contains:
Maximum speed
Set speed
Actual speed
Node state (error code)
Restart delay
Slave response message sent after every
command
except after command 9, where command 7
will follow
Request for the actual node state
Motor Error
Speed Controller Error
X
X
X
X
X
X
X
X
EN-30 of 38
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