2. Transportation, Storage and Installation
2-41
TI 32P01J10-01EN
Example of Mounting N-IO Nodes (Intrinsic Safety Barrier) in a Cabinet
Temperature conditions
In this example, the ambient temperature is assumed to be the followings.
Cabinet ambient temperature
50 °C or less
Maximum numbers of units that can be mounted in case of this example
Type
Model
Number of units that can be mounted per side
NIU
S2NN30D
Up to 2
IOBP_IS
S2BN4D or
S2BN5D
Up to 8 (2 rows × 4 shelves)
Up to 10 (2 rows × 5 shelves)
Heat-generating devices other than the above shall not be mounted on the same mounting plate.
IOBP cannot be mounted.
Mounting conditions
• The NIU shall be mounted with a 100-mm or more space from the cabinet ceiling.
• A 1-unit (= 44.45 mm) or more space shall be provided between NIU and IOBP_IS.
• Suitable length of signal cables and power cables should be used.
• Mounting the devices in the cabinet should be in line according to the intrinsic safety
standard.
Mar. 29, 2019-00