4-1
SIPROTEC Modbus - Bus mapping
C53000-L1840-C009-03
Glossary
AME
Universal asynchronous communication module with (electrical) isolated RS485
interface for the SIPROTEC devices from Siemens.
AMO
Universal asynchronous communication module with fibre-optical interface for the
SIPROTEC devices from Siemens.
CFC
Continuous Function Chart
CRC
Cyclical Redundancy Check
DC
Double Command
DIGSI
Parameterization system / parameterization software for SIPROTEC devices
DP
Double-point indication
Input data /
Input direction
Data from the Modbus slave to the Modbus master.
LRC
Longitudinal Redundancy Check
LSB
Least Significant Byte
Mapping
Allocation of the SIPROTEC data objects to the positions in the Modbus register map.
MSB
Most Significant Byte
Output data /
Output direction
Data from the Modbus master to the Modbus slave.
SC
Single command
SP
Single-point indication
Summary of Contents for SIPROTEC4 7UM62
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Page 8: ...Revision index vi SIPROTEC Modbus Bus mapping C53000 L1840 C009 03 ...
Page 12: ...Table of contents x SIPROTEC Modbus Bus mapping C53000 L1840 C009 03 ...
Page 58: ...Standard mapping 3 2 3 20 SIPROTEC Modbus Bus mapping 7UM62 C53000 L1840 C009 03 ...
Page 60: ...Glossary 4 2 SIPROTEC Modbus Bus mapping C53000 L1840 C009 03 ...