10.4 JPDD DC Power Distribution
The IS410JPDD dc power distribution board provides dc power distribution, power isolation, and branch circuit protection for
control or I/O functions requiring 125 V dc, 48 V dc, or 24 V dc power. Typical applications include dc relay and solenoid
control power, and contact wetting. Each output includes a fuse, a switch, and a lamp to indicate the presence of output
voltage. JPDD is not intended for power distribution to the I/O packs.
Board version JPDDG1 provides fuses that are coordinated with the rating of the system wiring and connectors. JPDDG2, G3,
and G4 have fuse ratings coordinated for specific applications. Two different fuse sizes are provided to accommodate local
fuse preferences.
JPDD Board Versions
Terminal Board Fuses
JPDDG1A Each circuit provided with 31.75 x 6.35 mm (1.25 x 0.25 in) 15 A 250 V fuse
JPDDG2A Empty fuse holders with black caps accepting 5 x 20 mm (0.20 x 0.79 in) fuses
JPDDG3A Empty fuse holders with grey caps accepting 31.75 x 6.35 mm (1.25 x 0.25 in) fuses
JPDDG4A Each circuit provided with 31.75 x 6.35 mm (1.25 x 0.25 in) 0.5 A fuses for wire protection
362 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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