The following figure displays an example application with 72 I/O packs and nine Ethernet switches powered through three
daisy-chained JPDH boards.
JPDH Application Example
10.7.3 JPDH Specifications
Item
JPDH Specification
Inputs One 6-pin connection for 28 V dc power input Mate-N-Lok 600 V, 13 A
Outputs
Three 2-pin connections for Ethernet switches Mate-N-Lok 600 V, 13 A
Twenty-four 2-pin connections for I/O packs Mate-N-Lok 600 V, 0.8 A at 70 °C
Output Fuses
1.6 A at 20 °C (derated to 0.8 A at 70 °C) positive temperature coefficient fuse or equivalent on each I/O
pack output
Ambient Rating for Enclosure
Design
†
-40 to 70ºC (-40 to 158 ºF)
Relative Humidity 5 – 95% non-condensing
Safety Standards
UL 508A Safety Standard Industrial Control Equipment
CSA 22.2 No. 14 Industrial Control Equipment
EN 61010-1 Safety of Electrical Equipment, Industrial Machines (Low Voltage Directive)
Board Dimensions
15.875 cm high x 10.795 cm wide (6.25 in x 4.25 in)
Mounting
DIN-Rail, card carrier mounting
Base mounted steel bracket, 4 holes
PDM Power Distribution Modules GEH-6855_Vol_II System Guide 387
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