Based on the
information provided, here are the details about the
communication ports and interfaces and battery backup
options:
Communication
ports and interfaces:
Technical
data for the communication ports and interfaces are provided in
Table 47 on page 247.
spare
battery:
The memory
contents are backed up using an internal or external battery
unit (specifically SB821 or SB822).
See Table 65
on page 279 for details on backup times.
Table 49 on
page 249 lists the internal battery data.
External
battery data can be found in different sections: SB821 External
Battery on page 417 and SB822 Rechargeable External Battery on
page 419.
Weight and
dimensions:
Package
weights and dimensions for PM866K01/PM866AK01 and
PM866K02/PM866AK02 are provided:
Package
PM866K01/PM866AK01: 1200 g (2.6 lb)
Package
PM866K02/PM866AK02: 2800 g (6.1 lb)
Dimensions:
W 119 x H 186 x D 135 mm (4.7 x 7.3 x 5.3 inches), width
measured along DIN rail, depth from wall and vertical height
(including locking mechanism).
Backup time
of PM866/PM866A (Table 65):
Built-in
battery: minimum backup time is 158 hours.
External
battery SB821: Minimum backup time 15
weeks.
External
battery SB822: Minimum backup time is 16 days after full
charge. Charging
time for an empty battery is approximately 7
hours.
It is
important to ensure that the CPU powers up properly before
installing the battery to activate the memory backup feature,
as described in Table 65.
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