2. Transportation, Storage and Installation
2-47
TI 32P01J10-01EN
Mar. 29, 2019-00
Example of Mounting N-IO Nodes (Mixture of Intrinsic Safety Barrier and Non-
Intrinsic Safety Barrier) in a Junction Box
Temperature conditions
In this example, the ambient temperature is assumed to be the following.
Junction Box ambient temperature 50 °C or less
Maximum numbers of units that can be mounted
Type Model Number of units that can be mounted per side
Per junction box
NIU S2NN30D Up to 1
IOBP S2BN1D Up to 2 (1 row × 2 shelves)
IOBP_IS S2BN4D or S2BN5D Up to 1 (1 row × 1 shelf)
Other
Heat-generating device
(*1)
heat generation: 20 W or less
*1: The device to be mounted shall be selected from those that have the ambient temperature range of +15 °C or more.
Heat-generating devices other than the above shall not be mounted in the junction box.
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