Product specifications

Appendix A Hardware Units Technical Data
3BSE036351-510 A 257
Communication Ports and Interfaces
Technical data for communication ports and interfaces is described in Table 49 on
page 241.
Battery
The memory content is backed up with either an internal or external battery unit
(SB821). For back-up time see e Table 59 on page 257.
Weight 1200 g (2.6 lb) (package PM864K01).
2800 g (6.1 lb) (package PM864K02).
Dimensions W 119 x H 186 x D 135 mm (4.7 x 7.3 x 5.3 in)
Width is measured along the DIN-rail, depth from the
wall, and height vertically, including lock
mechanism.
The figures in Table 59 on page 257 are valid if the batteries have been installed
after a normal CPU power-up, allowing for the memory back-up function to be
activated.
Table 59. Back-up times for PM864 and PM864A
Source
Back-up time
PM864 PM864A
Internal battery Minimum 36 hours Minimum 235 hours
External battery SB821 Minimum 3 weeks Minimum 24 weeks
External battery SB822
Note: Recharge time for an
empty battery is
approximately 7 hours.
Minimum 85 hours
when fully charged
Minimum 3 weeks
when fully charged
Table 58. PM864 and TP830 – Technical data (Continued)
Item Value