2. Transportation, Storage and Installation
2-39
TI 32P01J10-01EN
Example of Mounting N-IO Nodes (Non-Intrinsic Safety Barrier) in a Cabinet (In
case of eld wiring via terminal board)
Temperature conditions
In this example, the ambient temperature is assumed to be the following.
Cabinet ambient temperature 50 °C or less
Maximum numbers of units that can be mounted in case of this example
Mounting surface
of cabinet
Type Model Number of units that can be mounted per side
Mounting surface
of external power
supply
NIU S2NN30D Up to 3
IOBP S2BN1D Up to 15 (3 rows x 5 shelves)
Non-mounting
surface of
external power
supply
NIU S2NN30D Up to 3
IOBP S2BN1D Up to 18 (3 rows x 6 shelves)
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.
• When using a DIN rail, be sure to install a DIN rail on the mounting plate. Fixing at the both
ends of a DIN rail and not xing at the middle.
• Suitable length of signal cables and power cables should be used.
Mar. 29, 2019-00
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