KUNBUS-COM EtherCAT
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6.5 Fieldbus specific Registers
0x4001 Fieldbus Status
In this memory register you will find information about the current
communication status of the fieldbus interface.
Modbus Register
0x4001
Value Range
0-3
Number of bytes available
2
Permanently stored
No
Access
Read Only
Meaning
0
Status is undefined
1
Bus in operation
2
Bus off error
3
Invalid node ID or invalid bitrate
0x4002 Module Status
In this memory register you will find information about the EtherCAT
state of the module.
The data of the ET1100 register 0x0130 "EtherCAT Run Status" is
stored here as a copy. This copy is updated cyclically.
Modbus Register
0x4002
Value Range
0x00-0x18
Number of bytes available
2
Permanently stored
No
Access
Read Only
Meaning
Bit 0-3
0x00: Error State
0x01: Initialisation
0x02: Pre-Operational
0x03: Boot
0x04: Safe-Operational
0x08: Operational
Bit 4
Error-Flag: If an Error-Flag is set, an error
occurred during the last State Transfer.
Memory Register