Rockwell Automation Publication 1444-UM001D-EN-P - June 2018 443
CIP Objects Appendix A
TX OK Definition
Following options define the source/conditions for reporting a tachometer
Not OK condition.
Bit setting of 1 defines inclusion of the specified condition, reserved bits, and
non-desired configuration options are set to 0.
Multiple bit selections are valid, logical combination is OR.
0x00 value defines no tacho transducer OK monitoring.
In general, the TSC module continues to try to provide a signal to the various
tacho outputs in spite of a detected failure. For example, a class attribute 17
configures the timeout value that the module uses to assess the link quality. A
link timeout only causes an indication of the fault, any active tacho outputs,
and their OK status continues to be maintained. Bit 2 in the preceding table, is
provided to allow the facility for a TX not OK to be set in case an internal
TSC module fault is detectable.
Bit Description
0 Outside voltage window
1 Outside RPM window
2 SC module fault
3…7 Reserved
Table 174 - Common Services
Service
Code
Implementation Service Name Description of Service
Class Instance
0x0E x x Get Attribute Single Returns the contents of the specified attribute
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