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7.1.4
System bus Node-ID
The System Bus Node-ID 900 is required for addressing networked inverters. If there is no System
Bus, or if the System Bus master is addressed, the SYS character is always filled with the zero
character (0x30). The Node-ID 900 has values ranging from 0 to 63.
Node-ID 900
Function
-1
No System Bus at inverter.
0
The inverter is the System Bus master.
1 ... 63
SYS character
“-1” = 0xFFFF
The inverter is the System Bus slave with the
specified ID.
“0” = 0x30
0x41 .. 0x7F
If the Node-ID 900 is not zero, the SYS character is determined as follows:
SYS character = (char)(SysNode-ID Nr + 0x40)
For example, Node-ID 900 of 7 will result in character 0x47 = “G”. Refer to System Bus description.
System Bus requires a corresponding EM module, e.g. EM-SYS, EM-RES-01, EM-IO-01,
EM-ENC-01, EM-ABS-01. The term “System Bus” in the illustration is a placeholder for the
relevant module.
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ACU VABus/TCP
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