08/2005 Expanding the Operator Interface (BE1)
8 Terms, Tables, Lists, Examples
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
BE1/8-185
8.4 List of accessible system variables
Name Index Description
$A_DBB[x] x=ByteNo Data byte from/to PLC
$A_DBD[x] x=Offset Double data word (32bit) from/to PLC
$A_DBR[x] x=Offset Real data (32 bit) from/to PLC
$A_DBW[x] x=Offset Data word (16 bit) from/to PLC
$A_DLB[index] index=Offset Data byte in link area
$A_DLD[index] index=Offset Double data word access in link area
$A_DLR[index] index=Offset Real data in link area
$A_DLW[index] index=Offset Data word in link area
$A_IN[x] x=DigitalinputNo Value of HW digital input
$A_INA[x] x=AnaloginputNo Value of HW analog input
$A_INCO[x] x=InputNo Comparator input NC
$A_INSE Ext. NCK input of the safe programmable logic, NCK
I/Os
$A_INSED Image ext. NCK input of the safe progr. logic
$A_INSEP Ext. PLC input, safe progr. logic, PLC I/Os
$A_INSEPD Image ext. PLC inputs of the safe progr. logic
$A_INSI Int. NCK input, Safe Progr. Logic, NCK Safety
$A_INSID Image int. NCK input Safe Progr. Logic NCK Safety
$A_INSIP Int. PLC input Safe Progr. Logic 611D Safety
$A_LINK_TRANS_
RATE
Link transfer rate
$A_MARKERSI NCK flag for Safe Progr. Logic
$A_MARKERSIP Image, PLC flag for Safe Progr. Logic
$A_OUT[x] x=DigitaloutputNo Value of HW digital output
$A_OUTA[x] x=AnalogoutputNo Value of HW analog output
$A_OUTSE Ext. NCK output of the safe programmable logic,
NCK I/Os
$A_OUTSED Image ext. NCK outputs of the safe progr. logic
$A_OUTSEP Ext. PLC output, safe progr. logic, PLC I/Os
$A_OUTSEPD Image ext. PLC outputs of the safe progr. logic
$A_OUTSI Int. NCK output Safe Progr. Logic NCK Safety
$A_OUTSID Image int. NCK output Safe Progr. Logic NCK
Safety
$A_OUTSID Image int. PLC input Safe Progr.Logic 611D Safety
$A_OUTSIP Int. PLC output Safe Progr. Logic 611D Safety
$A_OUTSIPD Image int. PLC output Safe Progr.Logic 611D Safety
$A_PBB_IN[index] index=Offset IN data byte
$A_PBB_OUT[index] index=Offset OUT data byte
$A_PBD_IN[index] index=Offset IN double data word
$A_PBD_OUT[index] index=Offset OUT double data word
$A_PBR_IN[index] index=Offset IN real data
$A_PBR_OUT[index] index=Offset OUT real data
$A_PBW_IN[index] index=Offset IN data word
$A_PBW_OUT[index] index=Offset OUT data word
$A_TC_FCT Command number
$A_TC_LFN Source location number
$A_TC_LFO Source location number
$A_TC_LTN Target location number
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