Diagnostics and Troubleshooting
NHA80945 04/2017 75
Error Status
This LED indicates the CANopen error status:
NMT Chart
The [CANopen NMT state] nMtS parameter (logic address 6057, CANopen index/subindex
201E hex/3A) indicates the NMT chart state. The various possible values are [Boot], [Stopped], [Operation]
and [Pre-op] (Pre-operational).
This parameter is accessible in the [Display] MOn- → [Communication map] CMM- → [CANopen map]
CnM- menu.
PDO Counter
[Number of RX PDO] nbrp and [Number of TX PDO] nbtp indicate the number of PDOs received
and the number of PDOs transmitted by the drive (all PDO sets - PDO1, PDO2, and PDO3 - combined).
The values of the counters are reset to zero once 65535 is reached.
This parameter is accessible in the [Display] MOn- → [Communication map] CMM- → [CANopen map]
CnM- menu.
Color & Status Description
OFF No detected error reported
Red single flash Detected error reported by the CANopen controller of the Altivar 9xx (example: too many
detected error frames)
Red double flash Detected error due to the occurence of a Node Guarding or a Hearbeat event
Red ON The CANopen controller is in Bus OFF state
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