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Appendix E
Detailed CGCM-DLR Unit Tag Descriptions
Load Sharing
240
This section describes the load sharing inputs and outputs for the CGCM-DLR
unit.
Load Sharing Inputs to CGCM Unit
• kVAR_LS_BridgeEn – This tag is reserved for future use.
• kVAR_LS_En – This tag is reserved for future use.
• kW_LS_BridgeEn – When this tag is set to 1, the CGCM-DLR unit uses
the value of kw_AnalogTargetPUValue as the kW Load Share setpoint to
provide appropriate bias to the analog units connected to the LS lines.
• kW_LS_EN -When this tag is set to 1 the CGCM-DLR unit enables the
kilowatt load share function.
• kW_LS_OutV – This tag sets the voltage that the CGCM-DLR unit
attempts to output from the load-sharing terminals.
• kVAR_LS_OutV – This tag is reserved for future use.
• LS_FS_V - This tag sets the voltage that the load share output reaches
when the generator is producing 1 p.u. kVA. The base for this calculation is
the calculated generator kVA.
• LSRate - This tag configures the time that is required for the load share
output to change the per unit amount.
• LSLimit - This tag configures the amount of per unit change that is
allowed in the load share output per unit of time.
• KWAnalogTargetPUValue – The value of this tag is used to provide the
bias to the load share lines when the kW_LS_BridgeEN tag is set to 1.
• KWDigitalTargetPUValue – This tag is reserved for future use.
• KVARAnalogTargetPUValue – This tag is reserved for future use.
• KVARDigitalTargetPUValue – This tag is reserved for future use.
Load Sharing Outputs from CGCM-DLR Unit
• kVAR_LS_Active – This tag is reserved for future use.
• kW_LS_Active - This tag follows the kW_LS_En tag setting in the
Scheduled Write tag.
• LS_Err – This tag reports the load share error that is the per unit
percentage difference between the kW_LS_OutV and the
kW_LS_InputV.
• kW_LS_InputV – This tag reports the voltage present at the load-sharing
terminals.
• kW_PU_Load - This tag reports the total p.u. kVA produced by the active
phases of the generator. The base for this calculation is the configured
generator kVA.
• kW_AnalogPU_Load – This tag reports the value of the voltage present
at the load share terminals that are divided by the configured full scale
voltage. It is the system per unit load.
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
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