GE SG 400 Series Installation Manual page 34

JB
JP2
Terminal units
On the parallel bus PCB "P34 – Bus Interface", of the first and last units (terminal) of the parallel
system the Jumpers JP1, JP2, JP3 and JP4 MUST BE INSERTED.
JB
Intermediate units
On the parallel bus PCB "P34 – Bus Interface" of the intermediate units of the parallel system the
Jumpers JP1, JP2, JP3 and JP4 MUST BE REMOVED.
NOTE !
In a parallel system composed of 2 or more units, only the first and last units (having
1 input JA and JB free) have the Jumper JP1, JP2, JP3 and JP4 inserted on parallel
bus PCB "P34 – Bus Interface" (see Fig. 3.9.2-2).
Modifications reserved
OPM_SGS_ISG_M40_M50_2US_V021.doc
JP3 JP4
JA
JP1
Fig. 3. 9.2 -2 Bus connection on terminal units
JP3 JP4
JA
JP2
JP1
Fig. 3.9.2-3 Bus connection on intermediate units
JA1
JB1
SGSU_400-500_S2_RPA-IM0048_02
JA1
JA2
JB2
JB1
SGSU_400-500_S2_RPA-IM0048_03
Page 34/41
User Manual SG Series 400 & 500 UL S2