Siemens SIMATIC 6ES7673-2CC40-0YA0 Hardware Installation And Operating Manual page 135

Reference Information
Data storage areas and their retentivity
Retentivity
without UPS
Retentivity with
UPS
Retentivity with
battery
Bit memory
Number
Retentive bytes
Retentivity preset
Amount of clock
memory
Address area
Total I/O address area
Inputs
Outputs
Distributed outputs
MPI/DP interface,
inputs
MPI/DP interface,
outputs
DP interface,
inputs
DP interface,
outputs
Process image
Inputs, adjustable
Outputs,
adjustable
Inputs, preset
Outputs, preset
Number of
process image
partitions, max.
Digital channels
Inputs
Outputs
Analog channels
Inputs
Outputs
134
None
None
All data
4 Kbytes
MB 0 to MB
4095
MB 0 to MB
15
8
4 Kbytes
4 Kbytes
2 Kbytes
2 Kbytes
4 Kbytes
4 Kbytes
4 Kbytes
4 Kbytes
128 Bytes
128 Bytes
15
32768
32768
2048
2048
Hardware Installation and Operating Manual, Edition 02/2006, A5E00273194-02
Total work and load
memory (with backup
battery)
Windows Automation Center, WinAC Slot Version 4.0