Rockwell Automation T823X Trusted Power System - Manual (Page 25)

Trusted
TM
Power System T823X
Issue 9 Dec 08 PD-T823X 25
5.2.4. Jumpers
There are three jumpers, J1, J2 and J3.
J1 and J2 set the Power Shelf address lines for the I 2 C control bus. With J1 and J2 fitted the Pack
addresses are 1, 2 and 3, which is the default. Other addresses may be set by removing one or both of
J1 and J2, up to 4 shelves worth (or 12 Power Packs).
Power Shelf J1 J2
1 fitted fitted
2 fitted removed
3 removed fitted
4 removed removed
Table 8 Power Shelf Addressing
J3 connects together the common return lines of the DC alarms and AC alarms. J3 is fitted by default.