List of abbreviations
G.1 List of abbreviations
S7-300 Automation System Module data
G-2 Manual, 08/2006, A5E00105505-04
Abbreviations Explanations
M
ANA
Reference potential of the analog measuring circuit
MPI Multipoint interface
OB Organization block
OP Operator panel
OS Operator system
P5V Power supply for module logic
PIO Process Image of Outputs
PII Process Image of Inputs
PG Programming device
PS Power supply
Q
I
: Analog output current
Q
V
: Analog output voltage
RAM Random Access Memory
R
L
: Load impedance
S + / - Sensor line (positive / negative)
SF "Group error" LED
SFB System function block
SFC System function
SM Signal module
PLC Programmable logic controller
SSI Synchronous serial interface
TD HMI (Text Display)
U+ Measuring line for voltage input
CMV Common Mode Voltage
Viso Potential difference between M
ANA
and local ground
sign Sign
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