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Rockwell Automation Publication 1407-UM001G-EN-P - April 2013 227
Detailed CGCM Unit Tag Descriptions Appendix E
Metering
This section describes the metering inputs and outputs for the CGCM unit.
Metering Inputs to the CGCM Unit
• Set_kW_Hrs – When this tag is set to a 1, the kW_Hrs counter is set to 0
in versions 2.x. In host firmware revision 3.x and later, the value of the tag
kWHoursPreset is loaded into the counter.
• Set_kVAR_Hrs – When this tag is set to a 1, the kVAR_Hrs counter is set
to 0 in versions 2.x. In host firmware revision 3.x and later, the value of the
tag kVARHoursPreset is loaded into the counter.
• Set_kVA_Hrs – When this tag is set to a 1, the kVA_Hrs counter is set to
0 in versions 2.x. In host firmware revision 3.x and later, the value of the tag
kVAHoursPreset is loaded into the counter.
• kwHoursPreset - This value is loaded into the kW_hrs counter when
Set_kW_Hrs is asserted.
• kVARHoursPreset - This value is loaded into the kVAR_hrs counter
when Set_kW_Hrs is asserted.
• kVAHoursPreset - This value is loaded into the kVA_hrs counter when
Set_kW_Hrs is asserted.
Metering Outputs from the CGCM Unit
• AvgPF- This tag reports the Average Power Factor of the active phases of
the generator.
• PhA_PF – This tag reports the Power Factor associated with Generator
Phase A.
• PhB_PF – This tag reports the Power Factor associated with Generator
Phase B.
• PhC_PF - This tag reports the Power Factor associated with Generator
Phase C.
• Total_kVA - This tag reports the Total kVA being produced by the active
phases of the generator.
• PhA_kVA - This tag reports the kVA being produced by Generator Phase
A.
• PhB_kVA - This tag reports the kVA being produced by Generator Phase
B.
• PhC_kVA - This tag reports the kVA being produced by Generator Phase
C.
• Total_kW - This tag reports the Total kW being produced by the active
phases of the generator.
• PhA_kW - This tag reports the kW being produced by Generator Phase A.
• PhB_kW - This tag reports the kW being produced by Generator Phase B.
• PhC_kW - This tag reports the kW being produced by Generator Phase C.