ABB AC 800M - Page 147

Appendix A Hardware Units Technical Data
3BSE 027 941 R301 147
Communication Ports and Interfaces
Technical data for communication ports and interfaces is described in Table 32 on
page 141.
Battery
The memory content is backed up with either an internal or external battery unit
(SB821). For back-up time see e Table 36 on page 147.
Table 34 on page 143 shows internal battery data. For external battery data,
see SB821 External Battery – AC 800M Memory Back-up on page 193.
Weight • 1200 g (2.6 lb) (package PM861K01).
• 2800 g (6.1 lb) (package PM861K02).
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 36 on page 147 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 36. Back-up times for PM861
Source Back-up time
Internal battery Minimum 36 hours
External battery Minimum 3 weeks
(1)
(1) 3 weeks is valid for one PM861 processor unit.
Table 35. PM861 and TP830 – Technical data (Continued)
Item Value